Valves

Section Code 2210 : Pressure relief.

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#2201812

Range of pre-set, spring loaded, angled pressure relief valves, with a plastic body and EPDM diaphragm. The B312021 CST model only is pre-set at 4.0 bar, all other models are pre-set at 3.0 bar. 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:
2201812
Expiry date:
31/12/2025
Size:
see model
Marking:
Caleffi logo, Caleffi hydronic solution, flow arrow, CE, pressure rating.
Installation Requirements:
R001 R200
Model:
B312016 BSC: 20.68mm OD manifold connection x 23.12mm OD spigot. B312024 BSC: 20.68mm OD manifold connection x 22.61mm OD spigot. B312494 CST: 19.72mm OD manifold connection x ½” BSP(M) B312093 VIS: 19.72mm OD manifold connection x 21.04mm OD pipe connection. B312090 CST: 20.68mm OD manifold connection x ½” BSP (M). B312021 CST: 20.68mm OD manifold connection x 17.83mm OD pipe connection.
Manufacturer:
Caleffi S.p.A
Company Name
Caleffi S.p.A
Address
PLANT 2. S.R. 229 28010 Fontaneto d'Agogna (NO)
Country
Italy
Phone
+39 0322 8491

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#2111365

Range of bronze bodied pre-set pressure relief valves (available between 0.2-16 bar on each model) incorporating a manually operated easing gear with brass seat and PTFE or EPDM washers.

Non-metallic materials and components comply with BS6920 at 85°C

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2111365
Expiry date:
30/11/2026
Size:
see model
Marking:
Seetru, date of manufacture (MM/YY), set pressure, model number etched on body. Flow arrow mould on body. CR located in inlet.
Installation Requirements:
R001 R120
Model:
LGS DN15 - ½”, LGS DN20 - ¾", LGS DN25 - 1", LGS DN32 - 1 ¼", LGS DN40 - 1 ½", LGS DN50 - 2". Model added April 2023. LGS DN65 – 2 ½”.
Manufacturer:
Seetru Ltd
Company Name
Seetru Ltd
Address
Albion Dockside Works Bristol BS1 6UT

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#2111376

Range of bronze bodied pre-set pressure relief valves (available between 0.2-16 bar on each model) incorporating a manually operated easing gear with brass seat and PTFE or EPDM washers. Maximum operating temperature 85°C.

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2111376
Expiry date:
30/11/2026
Size:
see model
Marking:
BOSS, MODEL DN, PRESUURE RATING ON DATA PLATE ON BODY DN, SIZE & FLOW ARROW ON BODY
Installation Requirements:
R001 R120
Model:
PRESSURE RELIEF VALVES BOSS 957 15MM, BOSS 959 15MM - DN15 - ½”, BOSS 957 20MM, BOSS 959 20MM - DN20 - ¾", BOSS 957 25MM, BOSS 959 25MM - DN25 - 1", BOSS 957 32MM, BOSS 959 32MM - DN32 - 1 1⁄4"" BOSS 957 40MM, BOSS 959 40MM - DN40 - 1 ½", BOSS 957 50MM & BOSS 959 50MM - DN50 - 2".
Factor:
BSS Industrial
Company Name
BSS Industrial
Address
BOSS Court 7 Barton Close Grove Park
Postcode
LE19 1SJ
Country
United Kingdom

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#2205802

Pressure relief valve pre-set at 6.0 bar, with a brass body and EPDM seat washer. Maximum operating temperature 115°C.

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2205802
Expiry date:
31/05/2027
Note:
For closed circuit use only.
Size:
½” BSP (F) x ½” BSP (F)
Marking:
Officine Rigamonti logo (OR), size, PN10 and flow arrow on body. Made in Italy and 6.0 bar on cap
Installation Requirements:
R001 R200
Model:
Art.487
Manufacturer:
Officine Rigamonti Spa
Company Name
Officine Rigamonti Spa
Address
Via Circonvallazione 9, Officine Rigamonti spa 13018 Valduggia (VC)
Country
Italy
Phone
+39 0163 48 165 Fax: +39 0163347254

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#2201331

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 85°C.

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2201331
Expiry date:
31/01/2027
Note:
For closed circuit use only.
Size:
See model.
Marking:
Watts logo and flow arrow on body Watts logo, CE and 0425 on cap
Installation Requirements:
R001 R200
Model:
0206429 – MSL/E30.1/2”SA - OR – ½” BSP (M) x ½” BSP (F) 0205034 – MSPF/E30.1/2”SA – 19.98mm Ø manifold connection x ½” BSP (F)
Manufacturer:
Watts Industries Italia S.R.L
Company Name
Watts Industries Italia S.R.L
Address
Via Vienna, 3 38121 - Trento (TN) Italy
Phone
+39 0461 965 111

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#2203322

Range of pre-set angled pressure relief valves for use on primary closed circuits, incorporating DZR brass bodies, EPDM diaphram and EPDM or NBR ‘O’-ring. For maximum working pressure please refer to model. Maximum operating temperature 99°C.

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2203322
Expiry date:
31/03/2027
Size:
see model
Marking:
Caleffi logo, flow arrow and date of manufacture (WWYY) on body. Opening pressure on cap.
Installation Requirements:
R001 R200
Model:
Series 311, 312, 3124, 313 & 314 ½” (FXF) models: 311412 - 120 pka 311415 - 1.5 bar 311425 - 2.5 bar 311425 CST - 2.5 bar 311430 – 3.0 bar 311430 CST – 3.0 bar 311431 – 3.0 bar 311431 CST – 3.0 bar 311435 - 3.5 bar 311440 – 4.0 bar 311450 – 5.0 bar 311460 – 6.0 bar 31147 – 7.0 bar 311480 – 8.0 bar 311490 CST – 9.0 bar 313425 - 2.5 313425 CST - 2.5 313430 – 3.0 bar 313432 – 3.0 bar 313432 CST – 3.0 bar 313433 – 3.0 bar 313434 – 3.0 bar 313440 CST – 4.0 bar 313460 – 6.0 bar 313470 – 7.0 bar 313580 – 8.0 bar ½” (MxF) models: 312405 CST – 4.0 bar 312406 CST – 2.0 bar 312407 CST – 6.0 bar 312415 CST – 5.0 bar 312418 CST – 8.0 bar 312417 CST – 1.0 bar 312443 CST – 3.0 bar 312471 CST – 7.0 bar 312411 BRT – 2.5 bar 312416 CST – 7.0 bar 312419 SD – 10.0 bar 312421 CST – 1.0 bar 312424 CST – 3.0 bar 312425 – 2.5 bar 312425 CST – 2.5 bar 312426 SD – 10.0 bar 312427 CST – 10.0 bar 312428 – 1.8 bar 312430 – 3.0 bar 312430 CST – 3.0 bar 312431 CST – 3.0 bar 312432 CST – 3.0 bar 312433 – 3.0 bar 312435 – 3.5 bar 312437 – 3.0 bar 312437 VLL 3.0 bar 312439 – 3.0 bar 312439 – 3.0 bar 312440 – 4.0 bar 312447 CST – 3.5 bar 312450 – 2.5 bar 312460 – 6.0 bar 312460 CST – 6.0 bar 312467 CST – 6.0 bar 312469 – 6.0 bar 312469 NTR – 6.0 bar 312470 – 7.0 bar 312473 – 7.0 bar 312477 VLL – 7.0 bar 312480 – 8.0 bar 312480 CST – 8.0 bar 312493 CST – 9.0 bar 314401 CST 1/2" M x F 314425 – 2.5 bar 314430 – 3.0 bar 314431 CST – 3.0 bar 314432 – 3.0 bar 314432 CST – 3.0 bar 314433 CST – 3.0 bar 314435 CST – 3.0 bar 314436 CST – 3.0 bar 314437 VLL – 3.0 bar 314439 CST – 3.0 bar 314442 CST – 4.0 bar 314460 – 6.0 bar 314462 – 6.0 bar 314462 CST – 6.0 bar 314470 – 7.0 bar 314472 CST – 7.0 bar 314478 OCN – 7.0 bar 314480 – 8.0 bar 314488 OCN – 8.0 bar 1/2" (clip x M) models: 312001 CST – 2.0 bar 312005 BSC – 3.0 bar 1/2" (clip x F) models: 312002 SD – 8.0 bar 312003 GRD – 2.5 bar 312004 CST – 2.0 bar 312006 GRD – 2.0 bar 312007 CST – 6.0 bar 312008 CST – 3.5 bar 312009 – 3.0 bar 312020 CST – 10.0 bar 312400 CST – 3.0 bar 312403 BRT – 3.0 bar 312404 CST – 3.0 bar 312408 BRT – 3.0 bar 312409 BSC – 3.0 bar 312410 CST – 2.5 bar 1/2" (MxM) models: 312412 SD – 10.0 bar 312414 SD – 3.0 bar 312422 CST – 2.0 bar 312429 VHG – 3.0 bar 312438 CST – 3.0 bar Added in April 2022 312020 CST - 10 Bar – ½” / Clip x F 312428 - 1.8 Bar – ½” / M x F
Manufacturer:
Caleffi S.p.A
Company Name
Caleffi S.p.A
Address
PLANT 2. S.R. 229 28010 Fontaneto d'Agogna (NO)
Country
Italy
Phone
+39 0322 8491

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#2206347

Pre-set pressure relief valve set at 7.0 bar, with glass reinforced plastic body and EPDM diaphragm. Maximum working pressure 7.0 Bar. Maximum operating temperature 85°C.

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2206347
Expiry date:
30/06/2027
Size:
3/8” manifold connection
Marking:
Watts, Watts logo, flow arrow, date of manufacture, pressure rating, 3/8” on body
Installation Requirements:
R001 R008
Model:
0208175 – MSPL/E70.3/8” EL2
Manufacturer:
Watts Industries Italia S.R.L
Company Name
Watts Industries Italia S.R.L
Address
Via Vienna, 3 38121 - Trento (TN) Italy
Phone
+39 0461 965 111

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#2210802

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

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2210802
Expiry date:
31/10/2027
Note:
Closed circuit use only.
Size:
20.06mm OD manifold connection x ½”BSP(M)
Marking:
RBM logo, flow arrow, size, CE moulded on body, 3bar, QR code on lever
Installation Requirements:
R001 R200
Model:
31030040
Manufacturer:
R.B.M. S.p.A.
Company Name
R.B.M. S.p.A.
Address
Via Industriale no 25, 25060 S. San Giovanni di Polaveno (BS), Brescia
Country
Italy
Phone
+39 030 253 7211

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#2210321

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

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2210321
Expiry date:
31/10/2027
Note:
Closed circuit use only.
Size:
See model
Marking:
Vaillant logo, flow arrow, DN15 and CE mark stamped on valve body.
Installation Requirements:
R001 R200
Model:
190752: ½” quick connector. 190753: ½” BSP (M).
Factor:
Vaillant GmbH
Company Name
Vaillant GmbH
Address
Berghauser Strasse, 40 D-42859 Remscheid
Country
Germany
Phone
Tel: +49 2191 182126

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#2211803

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

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2211803
Expiry date:
30/11/2027
Size:
Manifold connection (19.40mm internal dimension) to 1” BSP(F).
Marking:
Vaillant logo, flow arrow, CR, ½”, DN15 moulded on body Technical information on cap.
Installation Requirements:
R001
Model:
531002 VLL.
Factor:
Vaillant GmbH
Company Name
Vaillant GmbH
Address
Berghauser Strasse, 40 D-42859 Remscheid
Country
Germany
Phone
Tel: +49 2191 182126

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Manufacturer:
Caleffi S.p.A
Company Name
Caleffi S.p.A
Address
PLANT 2. S.R. 229 28010 Fontaneto d'Agogna (NO)
Country
Italy
Phone
+39 0322 8491

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