Valves

Section Code 2210 : Pressure relief.

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WRAS Approval Number: 1606353

Pre-set, angled pressure relief valves (set at 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0, 7.0 & 8.0 bar) with DZR Brass bodies and EPDM diaphragm. The valves are fitted with a rotary type easing gear. Supplied with or without pressure gauge. Maximum operating temperature 100°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1606353
  • Expiry date: 30/06/2021
  • Note: 2.0, 3.0 & 4.0 bar rating added November 2016
  • Size: ½” BSP M & F, ¾” BSP M & F
  • Marking: IDC Plumbing & HeatingTechnology (Beijing) Ltd logo, CR and flow arrow on body. Pressure rating on cap.
  • Installation Requirements R001
  • Model
    Without pressure gauge: 1PRA101, 1PRA201, 1PRA102, 1PRA801, 1PRA301 & 1PRA802. With pressure gauge: 1PRA701, 1PRA401, 1PRA402, 1PRA501 & 1PRA601.
  • Manufacturer: IDC Plumbing & Heating Technology (Beijing) Ltd
    Company Name
    IDC Plumbing & Heating Technology (Beijing) Ltd
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WRAS Approval Number: 1610805

Range of pre-set angled pressure relief valves for solar applications with brass bodies and EPDM gaskets. Maximum working pressure 2.5 bar to 10.0 bar & maximum operating temperature 99°C

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1610805
  • Expiry date: 31/10/2021
  • Note: For use in primary circuits only.
  • Size: ½” BSP (F) x ¾” BSP (F), ¾” BSP (F) x 1” BSP (F)
  • Marking: Caleffi logo, DN, size and flow arrow on body. Solar 253 printed on body. Pressure rating on indice.
  • Installation Requirements R001
  • Model
    253 series
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1611076

Range of bronze bodied pre-set pressure relief valves (available between 0.2-24 bar on each model) with brass seat and PTFE or EPDM washers. Models L3615A3277, L3620A3307, L3625A3337, L3632A3367, L3640A3397 & L3650A1427 incorporate a manually operated easing gear. Maximum operating temperature 85°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1611076
  • Expiry date: 30/11/2021
  • Size: L3615A1277 DN 15 – ½” L3615A3277 DN 15 – ½” L3620A1307 DN 20 – ¾” L3620A3307 DN 20 – ¾” L3625A1337 DN 25 – 1” L3625A3337 DN 25 – 1” L3632A1367 DN 32 – 1 ¼” L3632A3367 DN 32 – 1 ¼” L3640A1397 DN 40 – 1 ½” L3640A3397 DN 40 – 1 ½” L3650A1427 DN 50 – 2” As of September 2017 the model names will change to: LGS DN15 - 1/2" LGS DN20 - 3/4" LGS DN25 - 1" LGS DN32 1 1/4" LGS DN40 - 1 1/2" LGS DN50 - 2"
  • Marking: Seetru, date of manufacture (MM/YY), set pressure, valve serial type and batch number located on body. CR located on inlet connector.
  • Installation Requirements R001 R120
  • Model
    L3615A1277 DN 15 - ½”. L3615A3277 DN 15 - ½”. L3620A1307 DN 20 - ¾”. L3620A3307 DN 20 - ¾”. L3625A1337 DN 25 - 1”. L3625A3337 DN 25 - 1”. L3632A1367 DN 32 - 1 ¼”. L3632A3367 DN 32 - 1 ¼”. L3640A1397 DN 40 - 1 ½”. L3640A3397 DN 40 - 1 ½”. L3650A1427 DN 50 - 2”. As of September 2017 the model names will change to - LGS DN15 - ½". LGS DN20 - ¾". LGS DN25 - 1". LGS DN32 - 1 ¼". LGS DN40 - 1 ½". LGS DN50 - 2".
  • Manufacturer: Seetru Ltd
    Company Name
    Seetru Ltd
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WRAS Approval Number: 1611310

Range of pressure relief valves pre-set at 3.0 bar with brass bodies and a EPDM membrane. Valve incorporates a manually operated easing gear. Maximum operating temperature 85ºC.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1611310
  • Expiry date: 30/11/2021
  • Note: Closed circuit use only.
  • Size: ½” BSP (M x F)
  • Marking: Watts logo, flow arrow on body. Rating on cap.
  • Installation Requirements R001
  • Model
    0205034 – MSPF/E30.1/2”SA & 0206429 – MSL/E30.1/2”SA-OR
  • Manufacturer: Watts Industries Italia
    Company Name
    Watts Industries Italia
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WRAS Approval Number: 1612044

Range of pre-set pressure relief valves (set at 3.0 bar or 6.0 bar) with DZR brass body, EPDM sealing gasket and NBR ‘O’-ring. Maximum operating temperature 100°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1612044
  • Expiry date: 31/12/2021
  • Size: ½” BSP (F) inlet. Size added March 2017: ½” BSP (F) inlet/outlet.
  • Marking: AF, CR, flow arrow & size on body. CE logo, 1282, pre-set pressure & rotary arrow on cap
  • Installation Requirements R001
  • Model
    Y00584 (3.0 bar). Model added March 2017: Y00493 (6.0 bar).
  • Factor: JIANGXI VODA WATER CONTROL CO., LTD.
    Company Name
    JIANGXI VODA WATER CONTROL CO., LTD.
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  • Manufacturer: JIANGXI AVONFLOW HVAC TECH CO., LTD.
    Company Name
    JIANGXI AVONFLOW HVAC TECH CO., LTD.
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WRAS Approval Number: 1612314

Range of pre-set angled pressure relief valves with brass bodies, EPDM rubber diaphragms, and EPDM or NBR ‘O’-rings. Pre-set relief pressures: 1.2 - 9.0 bar. From April 2017 Pre-set relief pressures: 1.0 - 10.0 bar. Maximum operating temperature 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1612314
  • Expiry date: 31/12/2021
  • Note: For closed circuit use only
  • Size: ½” x ½” BSP (F), ½” BSP (M) x ½” BSP (F), ½” BSP (F) x 15mm compression, ¾” x ¾” BSP (F).
  • Marking: Caleffi logo, size, valve series, pressure rating and flow arrow on body. Pressure rating on cap.
  • Installation Requirements R001
  • Model
    Series 311, 312, 3124, 313 & 314 (for a list of models covered please consult WRAS).
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1612323

Range of pre-set, spring loaded, angled pressure relief valves (set at 3.0 bar, except for B312021 model which is set at 4.0 bar), with plastic body and EPDM diaphragm. The valves are fitted with either rotary type easing gear or hand operated lifting gear. Maximum operating temperature 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1612323
  • Expiry date: 31/12/2021
  • Note: Closed circuit use only.
  • Size: Manifold connection x spigot or fast connection.
  • Marking: Caleffi logo, Caleffi Hydraulics Solutions & flow arrow on body. Pre-set pressure on operating cap.
  • Installation Requirements R001
  • Model
    B312414 CST, B312414 VIS, B312010 CST, B312010 VIS, B312013 VIS, B312014 VIS, B312015 BSC, B312016 BSC, B312494 CST, B312494 VIS, B312093 VIS, B312094 VIS, B312090 CST. B312090 VIS & B312021 CST. Models Added February 2017: B312024 BSC & B312025 BSC
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1702318

Pre-set (7.0 bar) pressure relief valve with a glass reinforced plastic body and EPDM rubber diaphragm. The valve is fitted with a hand operated lifting gear. Maximum working pressure 7.0 bar. Maximum operating temperature 85°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1702318
  • Expiry date: 28/02/2022
  • Size: 3/8” manifold connection
  • Marking: Watts logo, flow arrow and size on body
  • Installation Requirements R001
  • Model
    0208175 – MSPL/E70.3/8” EL2
  • Manufacturer: Watts Industries Italia
    Company Name
    Watts Industries Italia
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WRAS Approval Number: 1702321

Range of pre-set angled pressure relief valves (pre-set at 3.0 bar) with plastic bodies, EPDM rubber diaphragms and NBR rubber ‘O’-rings. Maximum working pressure 3.0 bar. Maximum operating temperature 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1702321
  • Expiry date: 28/02/2022
  • Note: For non-wholesome water use only.
  • Size: 22mm manifold connection
  • Marking: Caleffi, Caleffi logo and flow arrow on body
  • Installation Requirements R001
  • Model
    B312024 BSC & B312025 BSC
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1704381

Range of pressure relief valves with gunmetal bodies, PTFE seal and fluoroelastomer rubber ‘O’-ring. The pre-set relief pressure varies depending on the spring ratings from 0.3bar to 10.5bar. Maximum operating temperature 100°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1704381
  • Expiry date: 30/04/2022
  • Size: DN20: ¾” BSP(F); DN25: 1” BSP (F); DN32: 1¼” BSP (F)
  • Marking: Boss, DN and flow arrow on body. Boss and other tech info on adhesive label on body.
  • Installation Requirements R001 R012 R120
  • Model
    Boss Fig 960 Safety Valve: DN20 B960NDAAAXXX, DN25 B960NEAAAXXX & DN32 B960NFAAAXXX. Where XXX refers to set pressure in tenths of a bar from 0.3 Bar (003) – 10.5 Bar (105).
  • Factor: BSS Industrial
    Company Name
    BSS Industrial
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WRAS Approval Number: 1704342

Pressure relief valve pre-set at 6.0 bar, with a brass body and EPDM seat washer. Maximum operating temperature 100°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1704342
  • Expiry date: 30/04/2022
  • Size: ½” BSP (F) inlet/outlet
  • Marking: Officine Rigamonti logo (OR), size, PN10 and flow arrow on body. Made in Italy and 6 bar on cap.
  • Installation Requirements R001
  • Model
    Art.487 Pressure safety valve
  • Manufacturer: Officine Rigamonti Spa
    Company Name
    Officine Rigamonti Spa
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WRAS Approval Number: 1705317

Pre-set spring loaded, angled pressure relief valves (set at 3.0 bar) with brass body and EPDM diaphragms. The valves are fitted with hand operated easing gears. Maximum operating temperature 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1705317
  • Expiry date: 31/05/2022
  • Size: ½” manifold x ½” manifold
  • Marking: Orkli and 3 bar on plastic cap. ½” and flow arrow on body.
  • Installation Requirements R001 R200
  • Model
    17156-00
  • Manufacturer: Orkli S. Coop
    Company Name
    Orkli S. Coop
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WRAS Approval Number: 1705329

Range of pressure relief valves with gunmetal bodies, PTFE seal and fluoroelastomer rubber ‘O’-ring. The pre-set relief pressure varies depending on the spring ratings from 0.3bar to 10.5bar. Maximum operating temperature 100°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1705329
  • Expiry date: 31/05/2022
  • Size: DN15: ½” BSP (F) x ½” BSP (F) DN40: 1½” BSP (F) x 1½” BSP (F) DN50: 2” BSP (F) x 2” BSP (F)
  • Marking: Boss, size and flow arrow cast on body. Model number, Boss, pressure rating and technical information on adhesive label on body.
  • Installation Requirements R001
  • Model
    BOSS FIG 960 SAFETY VALVE: DN15 B960NCAAAXXX, DN40 B960NGAAAXXX & DN50 B960NHAAAXXX Where XXX refers to set pressure in tenths of a bar from 0.3 Bar (003) – 10.5 Bar (105).
  • Factor: BSS Industrial
    Company Name
    BSS Industrial
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WRAS Approval Number: 1706802

Range of pre-set pressure relief valves (set at 3.0 bar) with a brass body and EPDM membrane. Valve incorporates a manually operated easing gear. Maximum working pressure 3.14 bar. Maximum operating temperature 90°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1706802
  • Expiry date: 30/06/2022
  • Note: For closed circuit use only.
  • Size: 569 - ½” manifold connections 1579/A – ½” manifold connection and spigot outlet.
  • Marking: Pintossi logo, flow arrow and pressure on body and cap
  • Installation Requirements R001
  • Model
    Art. 569 Art. 1579/A
  • Factor: Pintossi + C Spa
    Company Name
    Pintossi + C Spa
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WRAS Approval Number: 1706336

Cold water inlet control group consisting of pressure reducing valve (pre-set at 3.5 bar), expansion valve (pre-set at 6.0 bar) with a DZR brass body. The product incorporates a single check valve cartridge (suitable for back flow protection against Fluid Category 2) and a stainless steel strainer. The expansion valve is fitted with a rotary type easing gear. Maximum inlet supply pressure 16.0 bar. Cold water use only.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1706336
  • Expiry date: 30/06/2022
  • Size: 22mm compression x 22mm compression 22mm compression x 15mm compression
  • Marking: Reliance Water Controls, pressure rating and product info on body
  • Installation Requirements R001
  • Model
    CWIC110004 – OEM Cold water inlet control 3.5/6 bar
  • Factor: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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WRAS Approval Number: 1706361

Range of pre-set (3.0 bar) pressure relief valves with plastic bodies and EPDM ‘O’-rings and membranes. The valves incorporate a lever manual easing gear. Maximum operating temperature 85°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1706361
  • Expiry date: 30/06/2022
  • Note: Closed circuit use only.
  • Size: 0208136 - 21.09mm manifold connection x ½” BSP (M). 0208236 & 0208132 - 21.07mm manifold connection x ½” BSP (M). 0208135 - 14.96mm manifold connection x ⅜” BSP (M).
  • Marking: Watts logo and flow arrow on body
  • Installation Requirements R001
  • Model
    0208132 – MSPL/E30.1/2” FE 0208135 – MSPL/E30.3/8” EL1 0208136 – MSPL/E30.1/2” EL 0208236 – MSPL/E30.1/2” SI
  • Manufacturer: Watts Industries Italia
    Company Name
    Watts Industries Italia
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WRAS Approval Number: 1706067

Pre-set (3.0bar) pressure relief valves with DZR brass bodies, EPDM ‘O’ rings and silicone diaphragm. Maximum operating temperature 85°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1706067
  • Expiry date: 30/06/2022
  • Note: Primary circuit use only.
  • Size: 4008. ½” manifold inlet and ½” BSP ,male outlet. 4001. ½” manifold inlet and ½” BSP ,female outlet.
  • Marking: Novasfer logo, pressure rating and DN13 on cap. Novasfer logo, made in Italy, flow arrow and product information on body.
  • Installation Requirements R001
  • Model
    4008, 4001.
  • Manufacturer: Novasfer Srl
    Company Name
    Novasfer Srl
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WRAS Approval Number: 1707333

Cold water inlet control group consisting of pressure reducing valve (pre-set at 3.0 bar) & pressure relief valve (set at 4.5 bar) with DZR brass bodies. The product also incorporates a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2) and a stainless steel strainer. Maximum inlet supply pressure 16.0 bar. Cold water use only.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1707333
  • Expiry date: 31/07/2022
  • Size: 22mm compression x 22mm compression ½” manifold x 15mm compression
  • Marking: Gledhill, Reliance Water Control, WRAS, CR, PN16, DN20, CASH, ACME on body.
  • Installation Requirements R001
  • Model
    CWIC200050 – Special Cash Acme
  • Factor: Gledhill Building Products Ltd
    Company Name
    Gledhill Building Products Ltd
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WRAS Approval Number: 1707366

Range of pressure relief valves (pre-set at 6.0 bar or 8.0 bar) with DZR brass bodies and EPDM diaphragms. The products incorporate a single check valve cartridge (suitable for backflow protection up to Fluid Category 2). For cold water use only.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1707366
  • Expiry date: 31/07/2022
  • Size: 28mm compression
  • Marking: SYR, DR, flow arrow and pressure on body. RWC on body.
  • Installation Requirements R001 R120
  • Model
    Core 255003 (6.0 bar). Core 255004 (8.0 bar).
  • Factor: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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WRAS Approval Number: 1707381

Pressure relief valve (pre-set at 6.0 bar) with DZR brass body and manually operated easing gear. Maximum operating temperature 100°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1707381
  • Expiry date: 31/07/2022
  • Size: ½” BSP (F)
  • Marking: Company logo, CR, 6 bar and flow arrow on body
  • Installation Requirements R001 R120
  • Model
    LR05008-VC12W2.60
  • Manufacturer: Rubinetterie Ritmonio SRL
    Company Name
    Rubinetterie Ritmonio SRL
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WRAS Approval Number: 1709351

Range of angled pressure relief valves (pre-set at various pressures) with DZR brass or gunmetal bodies (PREL104020, PREL104046, PREL104047, PREL104015, PREL104023, PREL104048, PREL104049, PREL104012 models only) and EPDM rubber diaphragms. Maximum operating temperature 80°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1709351
  • Expiry date: 30/09/2022
  • Marking: SYR (brand of Reliance Worldwide Corporation (UK) Ltd.) and flow arrow on body. PREL104045 & 104012 models only: SYR, flow arrow and pressure on body. SYR, flow arrow and pressure on operating member. DZR brass body models only: CR on body.
  • Installation Requirements R001
  • Model
    ½” BSP (F) x ¾” BSP (F): PREL104008 (preset at 6 bar), PREL104006 (preset at 8 bar), PREL104041 (preset at 5 bar), PREL104040 (preset at 3.5 bar). ¾” BSP (F) x 1” BSP (F): PREL104010 (preset at 6 bar), PREL104016 (preset at 8 bar), PREL104014 (preset at 5 bar), PREL104042 (preset at 3.5 bar), PREL104007 (preset at 10 bar). 1” BSP (F) x 1¼” BSP (F): PREL104043 (preset at 3.5 bar), PREL104001 (preset at 5 bar), PREL104002 (preset at 6 bar), PREL104003 (preset at 7 bar), PREL104017 (preset at 8 bar), PREL104004 (preset at 10 bar), PREL104110 (preset at 13 bar). 1¼” BSP (F) x 1½” BSP (F): PREL104044 (preset at 3.5 bar), PREL104045 (pre-set at 5 bar), PREL104005 (preset at 6 bar), PREL104013 (preset at 8 bar), PREL104019 (preset at 10 bar), PREL104115 (preset at 13 bar). 1½” BSP (F) x 2” BSP (F): PREL104012 (pre-set at 6 bar), PREL104020 (preset at 8 bar), PREL104046 (preset at 3 bar), PREL104047 (preset at 5 bar). 2” BSP (F) x 2½” BSP (F): PREL104015 (preset at 6 bar), PREL104023 (preset at 8 bar), PREL104048 (preset at 3.5 bar), PREL104049 (preset at 5 bar).
  • Factor: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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WRAS Approval Number: 1709356

Range of pressure relief valves with DZR brass bodies and EPDM diaphragm. Pre-set at pressures between 1.5 and 10.0 bar. Maximum operating temperature 100°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1709356
  • Expiry date: 30/09/2022
  • Size: ½” BSP (M) & ½” BSP (F)
  • Marking: Watts logo (W), flow arrow, size and pressure on body & operating member.
  • Installation Requirements R001
  • Model
    0206015N MSL15. 0206018N MSL18. 0206020N MSL20. 0206025N MSL25. 0206035N MSL35. 0206040N MSL40. 0206050N MSL50. 0206060N MSL60. 0206070N MSL70. 0206080N MSL80. 0206090N MSL90. 0206099N MSL100. 0207015N MSV15. 0207018N MSV18. 0207020N MSV20. 0207025N MSV25. 0207035N MSV35. 0207040N MSV40. 0207050N MSV50. 0207060N MSV60. 0207070N MSV70. 0207080N MSV80. 0207090N MSV90. 0207099N MSV100.
  • Manufacturer: Watts Industries Italia S.R.L
    Company Name
    Watts Industries Italia S.R.L
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WRAS Approval Number: 1709344

Pressure relief valve with a plastic body and rubber diaphragm. Pre-set at 3.0 bar. Maximum operating temperature 90°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1709344
  • Expiry date: 30/09/2022
  • Note: Closed circuit use only.
  • Size: 20.89mm manifold connection
  • Marking: RBM logo, size and flow arrow on body
  • Installation Requirements R001
  • Model
    31030040
  • Manufacturer: R.B.M. S.p.A.
    Company Name
    R.B.M. S.p.A.
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WRAS Approval Number: 1611103

Range of pre-set pressure relief valves (available between 0.2-24 bar on each model) with bronze bodies, brass seat and PTFE washers. Maximum operating temperature 85°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1611103
  • Expiry date: 30/11/2021
  • Marking: BOSS (brand of BSS), CR, temp & flow arrow on body
  • Installation Requirements R001 R120
  • Model
    BOSS 959 DN15 - 1/2" BOSS 959 DN20 - 3/4" BOSS 959 DN25 - 1" BOSS 959 DN32 -1 1/4" BOSS 959 DN40 - 1 1/2" BOSS 959 DN50 - 2"
  • Factor: BSS Industrial
    Company Name
    BSS Industrial
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WRAS Approval Number: 1709343

Pressure relief valve with brass body and rubber diaphragm. Pre-set at 3.0 bar. Maximum operating temperature 90°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1709343
  • Expiry date: 30/09/2022
  • Size: ½” BSP (F) x ¾” BSP (F)
  • Marking: Vaillant logo, DN size and flow arrow on body.
  • Installation Requirements R001 R200
  • Model
    190753
  • Factor: Vaillant GmbH
    Company Name
    Vaillant GmbH
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WRAS Approval Number: 1710091

Range of pre-set pressure relief valves (set at 10.0 bar) with a DZR brass body and EPDM shutter diaphragm. The valve incorporates a manually operated easing gear. Maximum operating temperature 85˚C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1710091
  • Expiry date: 31/10/2022
  • Size: ½” Manifold connector inlet and 1” BSP (F) outlet.
  • Marking: Caleffi logo, size, flow arrow, pressure and technical info on cap. CR on body.
  • Installation Requirements R001 R120
  • Model
    531001 VLL & 531002 VLL
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1710380

Pressure relief valve with a brass body and rubber diaphragm. Pre-set at 3.0 bar. Maximum operating temperature 90°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1710380
  • Expiry date: 31/10/2022
  • Size: 20.85mm manifold x ¾” BSP (F)
  • Marking: Vaillant, Flow arrow, Size and DN on body
  • Installation Requirements R001
  • Model
    190752
  • Factor: Vaillant GmbH
    Company Name
    Vaillant GmbH
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WRAS Approval Number: 1802052

‘Jet 806’ range of pressure relief valves incorporating gunmetal bodies, NBR diaphragms and lever operated easing gear. Each valve is available with a pre-set rating of between 0.3 and 12.5 bar inclusive, which is in increments of 0.1 bar. Maximum operating temperature 70˚C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1802052
  • Expiry date: 28/02/2023
  • Size: ½” BSP (F) inlet outlet - 1¼” BSP (F) inlet/outlet.
  • Marking: JET, size and flow arrow on body. JET 806, year of manufacture (YY) and pressure rating on adhesive label on body.
  • Installation Requirements R001
  • Model
    Jet 806 range – DN15, DN20, DN25, DN32
  • Manufacturer: Crane Building Services and Utilities
    Company Name
    Crane Building Services and Utilities
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WRAS Approval Number: 1804320

Range of pre-set (see model for pressures) angled pressure relief valves with DZR brass bodies and EPDM seat gaskets. Maximum operating temperature 95°C

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1804320
  • Expiry date: 30/04/2023
  • Size: ½” BSP (M) inlet x ½” BSP (F) outlet.
  • Marking: Manufacturers logo, DN15, DR, ½”, UE, R & Flow arrow on body. EN-1491, KIWA< Duco, Pressure raring & 75 KW on cap/cover.
  • Installation Requirements R001
  • Model
    1060-0-26-11 - ½” KEB+PTFE 6bar, 1060-0-27-11 - ½” KEB+PTFE 7bar, 1060-0-28-11 - ½” KEB+PTFE 8bar, 1060-0-29-11 - ½” KEB+PTFE 9bar, 1060-0-30-11 - ½” KEB+PTFE 10bar.
  • Manufacturer: PenTec Snelrewaard bv.
    Company Name
    PenTec Snelrewaard bv.
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WRAS Approval Number: 1805300

Pressure relief valve with a brass body incorporating EPDM ‘O’ rings. The valve is fitted with a manually operated lever type lifting gear. Pre-set at 3.0 bar. Maximum operating temperature 90°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1805300
  • Expiry date: 31/05/2023
  • Note: Primary circuit use only.
  • Size: 19.90mm manifold connection
  • Marking: RBM and RBM logo, flow arrow, size, set pressure rating and other technical information on body.
  • Installation Requirements R001 R120
  • Model
    35890040
  • Manufacturer: RBM S.p.a.
    Company Name
    RBM S.p.a.
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WRAS Approval Number: 1806035

Range of factory pre-set, pressure relief valves with gunmetal bodies, incorporating fluoro-elastomer & FKM ‘O’-rings, PTFE seat seals and chrome vanadium steel springs. Maximum working pressure varies by model and spring. Fig 500L (Brown spring) - 4.1 bar – 6.1 bar. (Blue spring) - 6.2 bar – 8.2 bar. (Purple spring) - 8.3 bar – 10.2 bar. (Black spring) - 10.3 bar – 12.5 bar. Fig 542L (Brown spring) - 3.3 bar – 4.9 bar. (Blue spring) - 5.0 bar – 6.5 bar. (Purple spring) - 6.6 bar – 8.2 bar. (Black spring) - 8.3 bar – 10.5 bar. Maximum operating temperature 95˚C

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1806035
  • Expiry date: 30/06/2023
  • Note: Models installed before June 2020 are only suitable for 70˚C.
  • Marking: NABIC, flow arrow, DN & model on body. Model and technical info on adhesive label on body.
  • Installation Requirements R001
  • Model
    Fig 500L (Brown, Blue, Purple and Black springs): DN10: ⅜” BSP (F) Inlet and ½” BSP (F) outlet, DN15: ½” BSP (F) Inlet and ¾” BSP (F) outlet, DN20: ¾” BSP (F) Inlet and 1” BSP (F) outlet, DN25: 1” BSP (F) Inlet and 1¼” BSP (F) outlet, DN32: 1¼” BSP (F) Inlet and 1½” BSP (F) outlet, DN40: 1½” BSP (F) Inlet and 2” BSP (F) outlet, DN50: 2” BSP (F) Inlet and 2½” BSP (F) outlet & DN65: 2½” BSP (F) Inlet and 3” BSP (F) outlet. Fig 542L (Brown, Blue, Purple and Black springs): DN15: ½” BSP (F) Inlet and outlet, DN20: ¾” BSP (F) Inlet and outlet, DN25: 1” BSP (F) Inlet and outlet, DN32: 1¼” BSP (F) Inlet and outlet, DN40: 1½” BSP (F) Inlet and outlet, DN50: 2” BSP (F) Inlet and outlet, DN65: 2½” BSP (F) Inlet and outlet & DN80: 3” BSP (F) Inlet and outlet
  • Manufacturer: Crane Building Services and Utilities
    Company Name
    Crane Building Services and Utilities
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WRAS Approval Number: 1807364

Range of pre-set pressure relief valves incorporating DZR brass bodies and EPDM diaphragms. The inlet incorporates a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2). Cold water use only.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1807364
  • Expiry date: 31/07/2023
  • Size: (See model)
  • Marking: SYR, RWC, DR, flow arrow on body. Reliance Water Controls and pressure rating on cap.
  • Installation Requirements R001
  • Model
    CORE215002 - 22MM x 3/4"(M)BSP 6.0 BAR CORE UNIT, CORE215005 - 22MM x 3/4"(M)BSP 3.5 BAR CORE UNIT, CORE215008 - 22MM x 3/4"(M)BSP 5.0 BAR CORE UNIT, CORE215103 - 22MM x 3/4"(M)BSP 8.0 BAR CORE UNIT.
  • Factor: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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WRAS Approval Number: 1810359

Range of pre-set pressure relief valves (set at 3 bar) with brass bodies, EPDM membrane. Valves incorporate a manually operated easing gear. Maximum working pressure 10 bar. Maximum operating temperature 100°C

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1810359
  • Expiry date: 31/10/2023
  • Size: See model.
  • Marking: Watts Logo, flow arrow, date of manufacture (DDMMYY) on body. Watts logo and 3.0 bar on cap.
  • Installation Requirements R001 R200
  • Model
    0205030 – MSPF/E30.1/2”W1 VALV.SIC. 3.0 BAR – 20.75mm manifold connection. 0205033 – MSPF/E30.1/2”W3 VALV.SIC.3.0 BAR – 20.67mm manifold connection.
  • Manufacturer: Watts Industries Italia S.R.L
    Company Name
    Watts Industries Italia S.R.L
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WRAS Approval Number: 1810321

Pressure relief valve pre-set at 3.0 bar with a brass body and EPDM diaphragm. Maximum operating temperature 90°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1810321
  • Expiry date: 31/10/2023
  • Size: 21.04mm manifold connection
  • Marking: RBM & R.B.M. S.p.A. logo, flow arrow, DN, pressure rating (3 bar) and ½” on valve body.
  • Installation Requirements R001 R200
  • Model
    35900040
  • Manufacturer: R.B.M. S.p.A.
    Company Name
    R.B.M. S.p.A.
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WRAS Approval Number: 1807059

Range of pre-set pressure relief valves (spring loaded) with DZR brass body and EPDM diaphragm. The valve is fitted with hand operated rotating easing gear. Model SRV0353SW0475 is set at 4.75 bar and SRV0350SW060 is set at 6.0 bar. Maximum operating temperature 85°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1807059
  • Expiry date: 31/07/2023
  • Note: Please note that IRN R200 applies to model SRV03540505003 only.
  • Size: Models SRV0353SW0475 & SRV0353SW060: ¾” captive nut (inlet) x 15mm compression (outlet) Model SRV03540505003 added November 2020: ½” BSP male (inlet) x ½” BSP female (outlet)
  • Marking: Models SRV0353SW0475 & SRV0353SW060: Size, flow arrow and CR on the body. RBM, DN, PN and product information printed on the rotary easing gear. Model SRV03540505003 added November 2020: Size, flow arrow & RBM logo on body. DN, PN, date of manufacture (YYYY) and other technical information on cap.
  • Installation Requirements R001
  • Model
    SRV0353SW0475. SRV0353SW060. Model added November 2020: SRV03540505003.
  • Factor: Intatec Ltd
    Company Name
    Intatec Ltd
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  • Manufacturer: RBM S.p.a.
    Company Name
    RBM S.p.a.
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WRAS Approval Number: 1812096

Range of pressure relief valves with gunmetal bodies, EPDM diaphragms and lever operated easing gear. Maximum shell working pressure varies by model (see below). The relief setting is adjustable within the range of 0.5 - 16.0 bar. Maximum operating temperature 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1812096
  • Expiry date: 31/12/2023
  • Size: See model
  • Marking: Goetze Armaturen logo and flow arrow on body. Model number, DN, made in Germany, Goetze KG and product information on valve bonnet. PN on flange plate on flanged models.
  • Installation Requirements R001 R120
  • Model
    642 series DN15 - 16.0 bar - ½” BSP (F) inlet x ½” BSP (F) outlet, DN20 - 16.0 bar - ¾” BSP (F) inlet x ¾” BSP (F) outlet, DN25 - 16.0 bar - 1” BSP (F) inlet x 1” BSP (F) outlet, DN32 - 16.0 bar - 1 ¼” BSP (F) inlet x 1 ¼” BSP (F) outlet, DN40 - 16.0 bar - 1 ½” BSP (F) inlet x 1 ½” BSP (F) outlet, DN50 - 16.0 bar - 2” BSP (F) inlet x 2” BSP (F) outlet, DN65 - 25.0 bar - 2 ½” BSP (F) x 2 ½” BSP (F) outlet, DN25 - 16.0 bar - DN25 flanged inlet x 1” BSP (F) outlet, DN32 - 16.0 bar – DN32 flanged inlet x 1 ¼” BSP (F) outlet, DN40 - 16.0 bar – DN40 flanged inlet x 1 ½” BSP (F) outlet, DN50 - 16.0 bar – DN50 flanged inlet x 2” BSP (F) outlet & DN65 - 16.0 bar - DN65 flanged inlet x 2½” BSP (F) outlet 6420 series DN15 - 40.0 bar - ½” BSP (F) inlet x ½” BSP (F) outlet, DN20 - 16.0 bar – ¾” BSP (F) inlet x ¾” BSP (F) outlet, DN25 - 16.0 bar – 1” BSP (F) inlet x 1” BSP (F) outlet, DN32 - 16.0 bar - 1¼” BSP (F) inlet x 1¼” BSP (F) outlet, DN40 - 16.0 bar - 1½” BSP (F) inlet x 1½” BSP (F) outlet, DN50 - 16.0 bar – 2” BSP (F) inlet x 2” BSP (F) outlet, DN65 - 25.0 bar - 2½” BSP (F) inlet x 2½” BSP (F) outlet, DN15 - 16.0 bar - ½” BSP (M) inlet x ½” BSP (F) outlet, DN20 - 16.0 bar – ¾” BSP (M) inlet x ¾” BSP (F) outlet, DN25 - 16.0 bar – 1” BSP (M) inlet x 1” BSP (F) outlet, DN32 - 16.0 bar - 1¼” BSP (M) inlet x 1¼” BSP (F) outlet, DN40 - 16.0 bar - 1½” BSP (M) inlet x 1½” BSP (F) outlet, DN50 - 16.0 bar – 2” BSP (M) inlet x 2” BSP (F) outlet & DN65 - 16.0 bar - 2½” BSP (M) inlet x 2½” BSP (F) outlet 645 series DN15 - 16.0 bar - ½” BSP (F) inlet x ¾” BSP (F) outlet, DN20 - 16.0 bar - ¾” BSP (F) inlet x 1” BSP (F) outlet, DN25 - 16.0 bar – 1” BSP (F) inlet x 1 ¼” BSP (F) outlet, DN32 - 16.0 bar – 1 ¼” BSP (F) inlet x 1 ½” BSP (F) outlet, DN40 - 16.0 bar - 1½” BSP (F) inlet x 2” BSP (F) outlet, DN50 - 16.0 bar - 2” BSP (F) inlet x 2½” BSP (F) outlet, DN25 - 16.0 bar - DN25 flanged inlet x 1¼” BSP (F) outlet, DN32 - 16.0 bar - DN32 flanged inlet x 1½” BSP (F) outlet, DN40 - 16.0 bar - DN40 flanged inlet x 2” BSP (F) outlet & DN50 - 16.0 bar - DN50 flanged inlet x 2½” BSP (F) outlet 6450 series DN15 - 16.0 bar - ½” BSP (F) inlet x ¾” BSP (F) outlet, DN20 - 16.0 bar - ¾” BSP inlet (F) x 1” BSP (F) outlet, DN25 - 16.0 bar - 1” BSP (F) inlet x 1¼” BSP (F) outlet, DN32 - 16.0 bar - 1¼” BSP (F) inlet x 1½” BSP (F) outlet, DN40 - 40.0 bar - 1½” BSP (F) inlet x 2” BSP (F) outlet, DN50 - 16.0 bar - 2” BSP (F) x 2 ½” BSP (F) outlet, DN15 - 16.0 bar - ½” BSP (M) inlet x ¾” BSP (F) outlet, DN20 - 16.0 bar - ¾” BSP inlet (M) x 1” BSP (F) outlet, DN25 - 16.0 bar - 1” BSP (M) inlet x 1¼” BSP (F) outlet, DN32 - 16.0 bar - 1¼” BSP (M) inlet x 1½” BSP (F) outlet, DN40 - 16.0 bar - 1½” BSP (M) inlet x 2” BSP (F) outlet & DN50 - 16.0 bar - 2” BSP (M) x 2 ½” BSP (F) outlet
  • Manufacturer: Goetze KG Armaturen (formerly Gerhard Götze KG)
    Company Name
    Goetze KG Armaturen (formerly Gerhard Götze KG)
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WRAS Approval Number: 1812100

Range of pressure relief valves with gunmetal bodies, EPDM diaphragms and lever operated easing gear. Maximum shell working pressure varies by model (see below). The relief setting is adjustable within the range of 0.5 - 16.0 bar. Maximum operating temperature 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1812100
  • Expiry date: 31/12/2023
  • Size: See model
  • Marking: ALBION & MODEL ON METAL PLATE ON BODY. DN, PRODUCT INFORMATION & FLOW ARROW ON BODY
  • Installation Requirements R001 R120
  • Model
    ART 642 series DN15 - 16.0 bar - ½” BSP (F) inlet x ½” BSP (F) outlet, DN20 - 16.0 bar - ¾” BSP (F) inlet x ¾” BSP (F) outlet, DN25 - 16.0 bar - 1” BSP (F) inlet x 1” BSP (F) outlet, DN32 - 16.0 bar - 1 ¼” BSP (F) inlet x 1 ¼” BSP (F) outlet, DN40 - 16.0 bar - 1 ½” BSP (F) inlet x 1 ½” BSP (F) outlet, DN50 - 16.0 bar - 2” BSP (F) inlet x 2” BSP (F) outlet, DN65 - 25.0 bar - 2 ½” BSP (F) x 2 ½” BSP (F) outlet, DN25 - 16.0 bar - DN25 flanged inlet x 1” BSP (F) outlet, DN32 - 16.0 bar – DN32 flanged inlet x 1 ¼” BSP (F) outlet, DN40 - 16.0 bar – DN40 flanged inlet x 1 ½” BSP (F) outlet, DN50 - 16.0 bar – DN50 flanged inlet x 2” BSP (F) outlet & DN65 - 16.0 bar - DN65 flanged inlet x 2½” BSP (F) outlet ART 6420 series DN15 - 40.0 bar - ½” BSP (F) inlet x ½” BSP (F) outlet, DN20 - 16.0 bar – ¾” BSP (F) inlet x ¾” BSP (F) outlet, DN25 - 16.0 bar – 1” BSP (F) inlet x 1” BSP (F) outlet, DN32 - 16.0 bar - 1¼” BSP (F) inlet x 1¼” BSP (F) outlet, DN40 - 16.0 bar - 1½” BSP (F) inlet x 1½” BSP (F) outlet, DN50 - 16.0 bar – 2” BSP (F) inlet x 2” BSP (F) outlet, DN65 - 25.0 bar - 2½” BSP (F) inlet x 2½” BSP (F) outlet, DN15 - 16.0 bar - ½” BSP (M) inlet x ½” BSP (F) outlet, DN20 - 16.0 bar – ¾” BSP (M) inlet x ¾” BSP (F) outlet, DN25 - 16.0 bar – 1” BSP (M) inlet x 1” BSP (F) outlet, DN32 - 16.0 bar - 1¼” BSP (M) inlet x 1¼” BSP (F) outlet, DN40 - 16.0 bar - 1½” BSP (M) inlet x 1½” BSP (F) outlet, DN50 - 16.0 bar – 2” BSP (M) inlet x 2” BSP (F) outlet & DN65 - 16.0 bar - 2½” BSP (M) inlet x 2½” BSP (F) outlet ART 645 series DN15 - 16.0 bar - ½” BSP (F) inlet x ¾” BSP (F) outlet, DN20 - 16.0 bar - ¾” BSP (F) inlet x 1” BSP (F) outlet, DN25 - 16.0 bar – 1” BSP (F) inlet x 1 ¼” BSP (F) outlet, DN32 - 16.0 bar – 1 ¼” BSP (F) inlet x 1 ½” BSP (F) outlet, DN40 - 16.0 bar - 1½” BSP (F) inlet x 2” BSP (F) outlet, DN50 - 16.0 bar - 2” BSP (F) inlet x 2½” BSP (F) outlet, DN25 - 16.0 bar - DN25 flanged inlet x 1¼” BSP (F) outlet, DN32 - 16.0 bar - DN32 flanged inlet x 1½” BSP (F) outlet, DN40 - 16.0 bar - DN40 flanged inlet x 2” BSP (F) outlet & DN50 - 16.0 bar - DN50 flanged inlet x 2½” BSP (F) outlet ART 6450 series DN15 - 16.0 bar - ½” BSP (F) inlet x ¾” BSP (F) outlet, DN20 - 16.0 bar - ¾” BSP inlet (F) x 1” BSP (F) outlet, DN25 - 16.0 bar - 1” BSP (F) inlet x 1¼” BSP (F) outlet, DN32 - 16.0 bar - 1¼” BSP (F) inlet x 1½” BSP (F) outlet, DN40 - 40.0 bar - 1½” BSP (F) inlet x 2” BSP (F) outlet, DN50 - 16.0 bar - 2” BSP (F) x 2 ½” BSP (F) outlet, DN15 - 16.0 bar - ½” BSP (M) inlet x ¾” BSP (F) outlet, DN20 - 16.0 bar - ¾” BSP inlet (M) x 1” BSP (F) outlet, DN25 - 16.0 bar - 1” BSP (M) inlet x 1¼” BSP (F) outlet, DN32 - 16.0 bar - 1¼” BSP (M) inlet x 1½” BSP (F) outlet, DN40 - 16.0 bar - 1½” BSP (M) inlet x 2” BSP (F) outlet & DN50 - 16.0 bar - 2” BSP (M) x 2 ½” BSP (F) outlet
  • Factor: Albion Valves (UK) Limited
    Company Name
    Albion Valves (UK) Limited
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WRAS Approval Number: 1802127

‘Jet 806’ range of pressure relief valves incorporating gunmetal bodies, NBR diaphragms and lever operated easing gear. Each valve is available with a pre-set rating of between 0.3 and 12.5 bar inclusive, which is in increments of 0.1 bar. Maximum operating temperature 70˚C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1802127
  • Expiry date: 28/02/2023
  • Size: ½” BSP (F) inlet outlet - 1¼” BSP (F) inlet/outlet.
  • Marking: JET, size and flow arrow on body. JET 806, year of manufacture (YY) and pressure rating on adhesive label on body.
  • Installation Requirements R001
  • Model
    JET 806 SAFETY VALVE SET RANGE 1.0 BAR 15-12.0 BAR 15 CODES K70010-K70104, JET 806 SAFETY VALVE SET RANGE 1.0 BAR 20- 12.5 BAR 20 CODES K70110-K70205, JET 806 SAFETY VALVE SET RANGE 1.0 BAR 25-12.5 BAR 25 CODES K70210- K70305 & JET 806 SAFETY VALVE SET RANGE 1.5 BAR 32- 11.00 BAR 32 CODES K70315-K70402
  • Factor: Wolseley UK Ltd.
    Company Name
    Wolseley UK Ltd.
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WRAS Approval Number: 1901043

Pressure relief valve (pre-set at 3.0 bar) with plastic body and EPDM membrane and seals. The valve incorporates a manually operated easing gear. Maximum operating temperature 90°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1901043
  • Expiry date: 31/01/2024
  • Note: Closed circuit use only.
  • Size: ½” manifold inlet x ½” BSP (M) outlet
  • Marking: PN & Orkli logo on cover. Size and date of manufacture (DDMMYY) on body.
  • Installation Requirements R001
  • Model
    9N26004-00
  • Manufacturer: Orkli S. Coop
    Company Name
    Orkli S. Coop
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WRAS Approval Number: 1906353

Range of pressure relief valves with plastic bodies and EPDM diaphragms and ‘O’-rings, Factory pre-set at 3.0 bar. Maximum operating temperature 110°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1906353
  • Expiry date: 30/06/2024
  • Size: See model
  • Marking: Caleffi Logo, Caleffi hydronic solutions and direction of flow arrow on body. Pressure rating on lifting gear Models added March 2020: Caleffi & flow arrow on body.
  • Installation Requirements R001 R200
  • Model
    C312001 CST: 21.8mm. C312002 CST: 19.8mm. C312003 CST: 19.5mm. C312003 BSC: 19.5mm. C312004 CST: 19.8mm. C312004 GRD: 19.8mm. C312008: 21.8mm. C312008 GRD: 21.8mm. C312011: 22.7mm. C312011 BSC: 22.7mm. C312012: 22.25mm. C312012 STI: 22.25mm. C312013: 19.8mm. C312013 VIS: 19.8mm. C312017: 19.8mm. C312017 VIS: 19.8mm. C312018 VIS: 19.8mm. C312019: 19.8mm. C312021 FRQ : 13.38mm. C312022 CST: 19.8mm. C312023 BSC: 19.8mm. C312023 CST: 19.8mm. C312422 CST: 19.8mm Models added March 2020: C312027 BSC: 20.31mm C312009, C312009 BSC, C312009 WLF & C312009 GRD: 19mm inlet x 25mm spigot outlet.
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1707410

Cold water inlet control group consisting of pressure reducing valve (pre-set at 3.0 bar) & pressure relief valve (set at 4.5 bar) with DZR brass bodies. The product also incorporates a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2) and a stainless steel strainer. Maximum inlet supply pressure 16.0 bar. Cold water use only.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1707410
  • Expiry date: 31/07/2022
  • Size: 22mm compression x 22mm compression ½” manifold x 15mm compression
  • Marking: RELIANCE WATER CONTROLS ON CAP. WRAS, CR, PN, DN, FLOW ARROW & SIZE ON BODY
  • Installation Requirements R001
  • Model
    CWIC200055
  • Factor: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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WRAS Approval Number: 1907314

Pressure relief valve (pre-set at between 2.5 & 8.0 bar depending on model), with a plastic body and EPDM shutter membrane. Maximum operating temperature 100°C

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1907314
  • Expiry date: 31/07/2024
  • Size: See model
  • Marking: Kramer on operating member. Size & flow arrow on body
  • Installation Requirements R001
  • Model
    SRPP/OV-M, SRPP/O-M, SRPP/O-P20, SRPP/O-P16 models: OD 19.91mm clip connection. SRPP/MO-M & SRPP/MO-P20 models: ½” BSP (M).
  • Manufacturer: Kramer Italia s.r.l.
    Company Name
    Kramer Italia s.r.l.
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WRAS Approval Number: 1909351

`MSL & MSV` ranges of pre-set pressure relief valves with brass bodies and EPDM seats with manually operated easing gear. Maximum working pressure 10 bar. Maximum operating temperature 100°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1909351
  • Expiry date: 30/09/2024
  • Size: MSL/E range: ½” BSP (M) inlet x ½” BSP (F) outlet. MSV/E range: ½ BSP (M) inlet x ½” BSP (M) outlet.
  • Marking: Model, size, flow arrow, Watts logo, date of manufacture (DD/MM/YY) on body.
  • Installation Requirements R001 R120
  • Model
    0206525 MSL/E25 – 2.5 bar. 0206530 MSL/E30 – 3.0 bar. 0206540 MSL/E40 – 4.0 bar. 0207525 MSV/E25 – 2.5 bar. 0207530 MSV/E30 – 3.0 bar. 0207540 MSV/E40 – 4.0 bar.
  • Manufacturer: Watts Industries Italia
    Company Name
    Watts Industries Italia
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WRAS Approval Number: 1906350

Range of pressure relief valves with DZR brass bodies incorporating EPDM diaphragms. The valves are pre-set at 6.0 bar (311560, 312469, 312461ITH & 311461 models), 10.0 bar (312020 CST model) and 7.0 bar (312471 model). Maximum operating temperature 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1906350
  • Expiry date: 30/06/2024
  • Size: See model.
  • Marking: Caleffi logo, CR mark and flow arrow on body. Pressure rating on cap.
  • Installation Requirements R001
  • Model
    311560: ¾” BSP (F) x ¾” BSP (F), 312469: Ø19.8mm manifold x ½” BSP (F), 312020 CST: ½” BSP (M) x ½” BSP (F), 312461 ITH: Ø19.8mm manifold, 311461: ½” BSP (F) x 15mm compression, 312471 CST: Ø19.8mm manifold x ½” BSP (F). Models Added December 2020: 531661 CST – 1” BSP (F) x 1” BSP (F) 531661 - 1” BSP (F) x 1” BSP (F)
  • Factor: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1907313

Pressure relief valve (pre-set at between 2.5 & 8.0 bar depending on model), with a brass body and EPDM shutter membrane. Maximum operating temperature 100°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1907313
  • Expiry date: 31/07/2024
  • Note: For closed circuit use only.
  • Size: SRP/F, SRPM/F, SRP/M & SRPM/M models: ½” BSP (F). SRP/O models: OD 19.91mm clip connection. SRP/O-SFL model: OD 18.25 clip connection.
  • Marking: Kramer on operating member. Size & flow arrow on body.
  • Installation Requirements R001 R200
  • Model
    SRP/F, SRPM/F, SRP/M, SRPM/M, SRP/O & SRP/O-SFL.
  • Factor: Kramer Italia s.r.l.
    Company Name
    Kramer Italia s.r.l.
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WRAS Approval Number: 1606377

Pre-set, angled pressure relief valves (set at 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0, 7.0 & 8.0 bar) with DZR Brass bodies and EPDM diaphragm. The valves are fitted with a rotary type easing gear. Supplied with or without pressure gauge. Maximum operating temperature 100°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1606377
  • Expiry date: 30/06/2021
  • Note: 2.0, 3.0 & 4.0 bar rating added November 2016
  • Size: ½” BSP M & F, ¾” BSP M & F
  • Marking: EXCEL INDUSTRIES LOGO (E INSIDE A CIRCLE) SIZE & FLOW ARROW ON BODY
  • Installation Requirements R001
  • Model
    Without pressure gauge: 12F13, 12F16, 12F18, 34F13 & 34F16 With pressure gauge: 12F23,
  • Factor: Excel Industries Ltd
    Company Name
    Excel Industries Ltd
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WRAS Approval Number: 1912329

Range pressure relief valves incorporating DZR brass bodies and EPDM rubber washers. For pressures these are set at please consult the model section. The valves incorporate a manually operated rotational easing gear. Maximum operating temperature of 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1912329
  • Expiry date: 31/12/2024
  • Size: See model
  • Marking: Pintossi logo on body.
  • Installation Requirements R001
  • Model
    582L: ½” BSP (M) x ½” BSP (F) - set @ 6.0 bar. 597L: ½” BSP (M) x 15mm - set @ 3.5 bar.
  • Manufacturer: Pintossi + C Spa
    Company Name
    Pintossi + C Spa
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WRAS Approval Number: 1912349

Range pressure relief valves incorporating DZR brass bodies and EPDM rubber washers. For pressures these are set at please consult the model section. The valves incorporate a manually operated rotational easing gear. Maximum operating temperature of 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1912349
  • Expiry date: 31/12/2024
  • Size: See model
  • Marking: RWC on cap
  • Installation Requirements R001
  • Model
    PREL107015: ½” BSP (M) x ½” BSP (F) - set @ 6.0 bar. PREL107020: ½” BSP (M) x 15mm - set @ 3.5 bar.
  • Factor: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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WRAS Approval Number: 1611106

Range of pre-set pressure relief valves (available between 0.2-24 bar on each model) with bronze bodies, brass seat and PTFE washers. Models incorporate a manually operated easing gear. Maximum operating temperature 85°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 1611106
  • Expiry date: 30/11/2021
  • Size: See model
  • Marking: BOSS, MODEL, DN, PRESSURE, DATE OF MANUFACTURE MM/YY & CE ON METAL FACE PLATE ON BODY. FLOW ARROW & SIZE ON BODY
  • Installation Requirements R001 R120
  • Model
    BOSS 957 DN15 - 1/2" BOSS 957 DN20 - 3/4" BOSS 957 DN25 - 1" BOSS 957 DN32 1 1/4" BOSS 957 DN40 - 1 1/2" BOSS 957 DN50 - 2"
  • Factor: BSS Industrial
    Company Name
    BSS Industrial
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WRAS Approval Number: 2003307

Range of DZR brass expansion relief valves fitted within a manifold assembly. The valves are pre-set at 8.0 bar or 6.0 bar depending on model and incorporate and EPDM membrane, NBR ‘O’-rings. Product incorporates a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2). Maximum working pressure 16.0 bar. Cold water use only.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 2003307
  • Expiry date: 31/03/2025
  • Size: 22mm compression.
  • Marking: RWC, pressure, CR and date of manufacture (DD/MM/YY) on PRV cap. RWC, flow arrow and CR mark on manifold body.
  • Installation Requirements R001
  • Model
    CORE216000 – 8 bar CORE216001 – 6 bar
  • Manufacturer: Reliance Worldwide Corporation UK Ltd
    Company Name
    Reliance Worldwide Corporation UK Ltd
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WRAS Approval Number: 2005362

Range of pre-set pressure relief valves incorporating DZR brass bodies and an EPDM diaphragm, (for pre-set pressures see model). The valve is fitted with hand operated rotating easing gear. Maximum working pressure is the same as the pre-set pressure (see model). Maximum operating temperature 85°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 2005362
  • Expiry date: 31/05/2025
  • Size: See model.
  • Marking: All models: Reliance water control and pressure rating on cap. Date of production (A-Z = year, then A-Z, 1-9, selective lower-case letters a-r, Ω, Ø, &, Ǝ, Ⅎ, ∀ and ⊥ for week, e.g. XA, where X = 2020 and A = week 1) on cap rim. SYR, DR and flow arrow on body. Additional marking to the above: PREL102014, PREL102008, PREL102001 and PREL102004 models: 016 on body. PREL102009, PREL102110, PREL102111, PREL102003, PREL102005, PREL102105 & PREL102044 models: 047 on body. PREL102048, PREL102118, PREL102018, PREL102024, PREL102020, PREL102049, PREL102027, PREL102050 models are also marked with DN size.
  • Installation Requirements R001
  • Model
    PREL102014: ½” BSP (F) x ½” BSP (F) - 3.5 Bar. PREL102008: ½” BSP (F) x ½” BSP (F) - 5.0 Bar. PREL102001: ½” BSP (F) x ½” BSP (F) - 6.0 Bar. PREL102004: ½” BSP (F) x ½” BSP (F) - 8.0 Bar. PREL102009: ½” BSP (M) x 15mm compression - 3.5 Bar. PREL102110: ½” BSP (M) x 15mm compression - 4.0 Bar. PREL102111: ½” BSP (M) x 15mm compression - 4.0 Bar. PREL102003: ½” BSP (M) x 15mm compression - 5.0 Bar. PREL102005: ½” BSP (M) x 15mm compression - 6.0 Bar. PREL102105: ½” BSP (M) x 15mm compression - 6.0 Bar. PREL102044: ½” BSP (M) x 15mm compression - 8.0 Bar.
    PREL102040: ½” MBSP x ½” FBSP 3.5 Bar. PREL102041: ½” MBSP x ½” FBSP 5.0 Bar. PREL102042: ½” MBSP x ½” FBSP 6.0 Bar. PREL102043: ½” MBSP x ½” FBSP 8.0 Bar. PREL102048: ¾” MBSP x ¾” FBSP 3.5 Bar. PREL102118: ¾” MBSP x ¾” FBSP 5.0 Bar. PREL102018: ¾” MBSP x ¾” FBSP 6.0 Bar. PREL102024: ¾” MBSP x ¾” FBSP 8.0 Bar. PREL102020: ¾” MBSP x 22mm 3.5 Bar. PREL102049: ¾” MBSP x 22mm 5.0 Bar. PREL102027: ¾” MBSP x 22mm 6.0 Bar. PREL102050: ¾” MBSP x 22mm 8.0 Bar. PREL102045: ¾” FBSP x ¾” FBSP 3.5 Bar. PREL102023: ¾” FBSP x ¾” FBSP 4.0 Bar. PREL102046: ¾” FBSP x ¾” FBSP 5.0 Bar. PREL102047: ¾” FBSP x ¾” FBSP 8.0 Bar.
  • Factor: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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WRAS Approval Number: 2007021

Range of pre-set pressure relief valves with gunmetal bodies, silicon diaphragms, and PTFE seat washers. Pre-set relief pressures: 0.3 bar to 10.5 bar. Maximum operating temperature 95°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 2007021
  • Expiry date: 31/07/2025
  • Size: ½” to 3” BSP (F). DN32 to DN80 flanged.
  • Marking: NABIC, DN, Model (FIG Number) and material code on body. Fig number, set pressure, temperature, year of manufacture (YY) and other technical info on adhesive label on body
  • Installation Requirements R001
  • Model
    Threaded Fig 542: DN15 - Part Number N-542-015. DN20 - Part Number N-542-020. DN25 - Part Number N-542-025. DN32 - Part Number N-542-032. DN40 - Part Number N-542-040. DN50 - Part Number N-542-050. DN65 - Part Number N-542-065. DN80 - Part Number N-542-080. Flanged Fig 542 F: DN32 - Part Number N-542F-032. DN40 - Part Number N-542F-040. DN50 - Part Number N-542F-050. DN65 - Part Number N-542F-065. DN80 - Part Number N-542F-080.
  • Manufacturer: Crane Building Services & Utilities
    Company Name
    Crane Building Services & Utilities
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WRAS Approval Number: 2007032

Range of factory pre-set, pressure relief valves with gunmetal bodies, incorporating viton ‘O’-rings, seat seals and chrome vanadium steel springs. Maximum working pressure varies by model and spring: Fig 500L: White spring: 0.4 bar to 0.6 bar. Red spring: 1.0 bar to 1.3 bar for DN15 to DN25, 0.7 bar to 1.3 bar for DN32 to DN50 Yellow spring: 1.4 bar to 2.6 bar. Green spring: 2.7 bar to 4.0 bar. Fig 542L: White spring: 0.3 bar to 0.4 bar. Red spring: 1.0 bar for DN15 to DN25 and 0.5 bar to 1.0 bar for DN32 to DN50. Yellow spring: 1.1 bar to 2.1 bar. Green spring: 2.2 bar to 3.2 bar. Maximum operating temperature 95˚C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 2007032
  • Expiry date: 31/07/2025
  • Marking: NABIC (brand of Crane Building Services and Utilities), model number, size & flow arrow on body. Model number, pressure and technical info on body.
  • Installation Requirements R001
  • Model
    NABIC fig 500L: DN15: ½” BSP (F) inlet x ¾” BSP (F) outlet DN20: ¾” BSP (F) inlet x 1” BSP (F) outlet DN25: 1” BSP (F) inlet x 1 ¼” BSP (F) outlet DN32: 1 ¼” BSP (F) inlet x 1 ½” BSP (F) outlet DN40: 1 ½” BSP (F) inlet x 2” BSP (F) outlet DN50: 2” BSP (F) inlet x 2 ½” BSP (F) outlet NABIC fig 542L: DN15: ½” BSP (F) inlet & outlet DN20: ¾” BSP (F) inlet & outlet DN25: 1” BSP (F) inlet & outlet DN32: 1 ¼” BSP (F) inlet & outlet DN40: 1 ½” BSP (F) inlet & outlet DN50: 2” BSP (F) inlet & outlet
  • Manufacturer: Crane Building Services and Utilities
    Company Name
    Crane Building Services and Utilities
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WRAS Approval Number: 2007012

Range of pressure relief valves with gunmetal bodies, silicon rubber diaphragm, chrome vanadium steel spring and a lever operated easing gear. Pre-set relief pressures: DN15-25 - 1.0 bar to 12.5 bar. DN32-65 - 0.4 bar to 12.5 bar. Maximum operating temperature 95˚C

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 2007012
  • Expiry date: 31/07/2025
  • Size: ¾” to 2½” BSP (F). DN20 to DN65 flanged.
  • Marking: NABIC (brand of Crane Building Services and Utilities), size, model, flow arrow and material code cast on body. Technical information including pressure on adhesive label.
  • Installation Requirements R001 R120
  • Model
    Threaded Fig 500: DN15-N-500-015. DN20-N-500-020. DN25-N-500-025. DN32-N-500-032. DN40-N-500-040. DN50-N-500-050. DN65-N-500-065. Flanged Fig 500F: DN20-N-500F-020. DN25-N-500F-025. DN32-N-500F-032. DN40-N-500F-040. DN50-N-500F-050. DN65-N-500F-065.
  • Manufacturer: Crane Building Services and Utilities
    Company Name
    Crane Building Services and Utilities
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WRAS Approval Number: 2009326

Range of pre-set (at 3.0 bar) pressure relief valves incorporating DZR brass bodies and an EPDM diaphragm. The valve is fitted with hand operated rotating easing gear. Maximum operating temperature 85°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 2009326
  • Expiry date: 30/09/2025
  • Note: Closed circuit use only.
  • Size: see model
  • Marking: Caleffi logo, flow arrow, date of manufacture (MM/YY) & size on body. Pressure & temperature on cap. Some (but not all) models are marked with ‘CR.
  • Installation Requirements R001 R200
  • Model
    A312400 CST: 17.5mm manifold x ½” BSP (M). A312401 CST: 19.87mm manifold x ½” BSP (F). A312414 CST: 20mm manifold x ½” BSP (M). A312420 CST: 20mm manifold x 22mm compression. A312430 CST: ½” BSP manifold x ½” BSP (F). A312438 CST: 19.88mm manifold x ½” BSP (M). A312439 CST: fast fit manifold connection - 19.95mm. A314402 CST: 15mm manifold x ½” BSP (M). A314437 CST: ½” BSP (M) BSP x 15mm compression. A314402 BSC: 15mm manifold x ½” BSP (M).
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 2007354

Range of pressure relief valves incorporating brass bodies and EPDM rubber washers. The valves incorporate a manually operated rotational easing gear. For maximum working pressure please refer to model. Maximum operating temperature 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 2007354
  • Expiry date: 31/07/2025
  • Note: For closed circuit use only.
  • Size: See model
  • Marking: Pintossi logo & flow arrow on body. Date of manufacture (DD/MM/YYYY) & product information on cap.
  • Installation Requirements R001 R200
  • Model
    580: ½” BSP (F) x 20mm manifold – maximum working pressure 3.0 bar 581: ½” x ½” BSP (F) – 10.0 bar. 582: ½” BSP (M) x ½” BSP (F) – 10.0 bar. 583: ½” x ½” BSP (F) - 3.5 bar. 584: ½” BSP (M) x ½” BSP (F) – 6.0 bar. 585: ½” BSP (M) x ½” BSP (F) – 3.0 bar. 587: ½” BSP (M) x ½” BSP (F) – 3.0 bar 592: ½” BSP (M) x 15 compression – 3.0 bar. 593C: ½” BSP (F) x ½” BSP (F) – 3.0 bar. 594C: ½” BSP (M) x ½” BSP (F) – 3.0 bar. 595: ½” BSP (F) x 20mm manifold – 3.0 bar. 597: ½” BSP (M) x 15mm compression – 3.0 bar. Models added October 2020: 581: ½” BSP (F) x ½ BSP (F) – 1.5, 2.0, 2.5, 4.0, 6.0, 7.0, 8.0 & 10.0 bar. 582: ½” BSP (M) x ½ BSP (F) – 1.5, 2.0, 2.5, 3.0, 6.0, 7.0, 8.0 & 10.0 bar. 583: ½” BSP (F) x ½ BSP (F) – 2.5 & 3.0 bar 584: ½” BSP (M) x ½ BSP (F) 2” – 3.0 bar 587: ½” BSP (M) x ½ BSP (F)” – 2.5 bar. 597: ½” BSP (M) x ½ BSP (F) – 1.5 & 6.0 bar.
  • Manufacturer: Pintossi + C Spa
    Company Name
    Pintossi + C Spa
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WRAS Approval Number: 2009038

Pre-set pressure relief valve (set @ 3.0 bar) incorporating a brass body, NBR ‘O’-ring and an EPDM diaphragm. The valve is fitted with a hand operated rotating easing gear. Maximum operating temperature 90°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 2009038
  • Expiry date: 30/09/2025
  • Size: ½” BSP (M).
  • Marking: Foshan City Suertai Electric Co. Ltd. logo (‘SET’, an abbreviation of Su Er Tai), thread size and flow arrow on body. Pressure rating on cap
  • Installation Requirements R001 R200
  • Model
    220010131.
  • Factor: STROM LTD
    Company Name
    STROM LTD
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  • Manufacturer: Foshan City Suertai Electric Co. Ltd.
    Company Name
    Foshan City Suertai Electric Co. Ltd.
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WRAS Approval Number: 2011313

Pre-set pressure relief valve incoporating DZR brass body and manual easing gear. Pre-set 3.0 bar. Maximum operating temperature 85°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 2011313
  • Expiry date: 30/11/2025
  • Size: ½” BSP (F)
  • Marking: Novasfer logo, flow arrow, size & casting date (YYMM) on body. Technical information and casting date (MM/YYYY) on cap.
  • Installation Requirements R001 R200
  • Model
    5004/N
  • Manufacturer: Novasfer Srl
    Company Name
    Novasfer Srl
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WRAS Approval Number: 2007389

Range of pressure relief valves incorporating brass bodies and EPDM rubber washers. The valves incorporate a manually operated rotational easing gear. For maximum working pressure please refer to model. Maximum operating temperature 99°C.

  • Section: 2210 Valves
  • Section Subtitle: Pressure relief.
  • WRAS Approval Number: 2007389
  • Expiry date: 31/07/2025
  • Note: For closed circuit use only.
  • Size: See model
  • Marking: SIZE & flow arrow on body. RWC, Date of manufacture (DD/MM/YYYY) & product information on cap.
  • Installation Requirements R001 R200
  • Model
    PREL107010: ½” BSP (F) x ½ BSP (F) – 6.0 bar.
  • Factor: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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