Backflow Prevention Devices

Section Code 0034 : SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.

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WRAS Approval Number: 1609064

Range of Non-verifiable double check valve assemblies with DZR Brass bodies and two spring loaded, resilient trim in-line check valve cartridges. Maximum working pressure 16.0 Bar. Maximum operating temperature 65°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1609064
  • Expiry date: 30/09/2021
  • Size: ¾” – 2 ½” BSP (M) inlets/outlets
  • Marking: Arrow Valves Ltd web address, flow arrow, model, size and CR on body. 1” model only: Arrow Valves Ltd web address, flow arrow, model and CR on body.
  • Installation Requirements R001
  • Model
    ED132
  • Manufacturer: Arrow Valves Ltd
    Company Name
    Arrow Valves Ltd
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WRAS Approval Number: 1609105

Kuterlite K4424, Kuterlite K4424CP, Kuterlite K4426 and TX802 ranges of double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies (K4424CP chromium plated DZR bass) K4424, K4424 & K4426 - Maximum working pressure 10 Bar. Maximum working temperature 90°C. TX802 Maximum working pressure 20.0 bar @ 30°C, 16.0 bar @ 65°C & 10.0 bar @ 100°C for use with copper tube (manufactured to BS 2871).

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1609105
  • Expiry date: 30/09/2021
  • Size: Kuterlite K4424 range: 15mm compression inlet/outlet, 22mm compression inlet/outlet, 28mm compression inlet/outlet. Kuterlite K4424CP range: 15mm compression inlet/outlet. TX802 Range 15mm pushfit 66013 and 22mm pushfit 66014. Sizes added October 2016: Kuterlite K4426 ½” BSP (F) inlet/outlet, ¾” BSP (F) inlet/outlet, 1” BSP (F) inlet/outlet, 1 ¼” BSP (F) inlet/outlet, 1 ½” BSP (F) inlet/outlet, 2” BSP (F) inlet/outlet
  • Marking: Kuterlite, flow arrow, CR, size, pressure, temperature on body. TX802 range marked Tectite, size, DN , CR and flow arrow.
  • Installation Requirements R001
  • Model
    Kuterlite K4424 range: 15mm – 42068, 22mm – 42069, 28mm – 42070. Kuterlite K4424CP range: 15mm – 42090. TX802 Range 15mm pushfit 66013 and 22mm pushfit 66014. Models added October 2016: Kuterlite K4426 ½” (42071), ¾” (42072), 1” (42073), 1 ¼” (42074), 1 ½” (42075), 2” (42076)
  • Factor: Pegler Yorkshire Group Ltd
    Company Name
    Pegler Yorkshire Group Ltd
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  • Manufacturer: Pegler (Jiangmen) Plumbing and Heating Equipment Co. Ltd.
    Company Name
    Pegler (Jiangmen) Plumbing and Heating Equipment Co. Ltd.
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WRAS Approval Number: 1707700

Double check valve assemblies consisting of two spring loaded resilient in-line check valve cartridges housed in a plastic body with a drain port located between the cartridges. For use with MDPE pipe. Maximum working pressure 16 bar. Cold water use only.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1707700
  • Expiry date: 31/07/2022
  • Size: 20mm & 25mm
  • Marking: Talbot England, size and flow arrow on body.
  • Installation Requirements R001
  • Model
    E3783 & E3785
  • Factor: Talis UK
    Company Name
    Talis UK
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WRAS Approval Number: 1610058

Range of non-verifiable double check valve assemblies with DZR brass bodies (Nickel plated) incorporating a spherical valve. Maximum working pressure 8.0 bar (425A10N00 & 425A10N00U). Maximum working pressure 10.0 bar (425A15N00, 425A15N00U, 425A15000A, 425A20N00U). Maximum operating temperature 85°C

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1610058
  • Expiry date: 31/10/2021
  • Size: 425A10N00, 425A10N00U, 425A15N00, 425A15N00U, 425A15000A – 15mm compression inlet/outlet. 425A20N00U – ¾” BSP inlet/15mm compression outlet.
  • Marking: Barberi logo, flow arrow, size & CR on body
  • Installation Requirements R001
  • Model
    Barberi Sirio Monoblock range consisting of: 425A10N00, 425A10N00U, 425A15N00, 425A15N00U, 425A15000A, 425A20N00U
  • Factor: Barberi Rubinetterie Industriali Srl
    Company Name
    Barberi Rubinetterie Industriali Srl
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WRAS Approval Number: 1610059

Double check valve assembly consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body with a drain port between the cartridges. Maximum working pressure 16.0 bar. Cold water use only.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1610059
  • Expiry date: 31/10/2021
  • Size: 15mm compression inlet/outlet
  • Marking: Barberi logo, size, CR and flow arrow on body
  • Installation Requirements R001
  • Model
    172015000
  • Factor: Barberi Rubinetterie Industriali Srl
    Company Name
    Barberi Rubinetterie Industriali Srl
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WRAS Approval Number: 1610066

Range of double check valve assemblies with DZR brass bodies incorporating two in-line resilient trim check valve cartridges, spherical valve and Y-strainer. Maximum working pressure 10 Bar. Maximum working temperature 85°C

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1610066
  • Expiry date: 31/10/2021
  • Size: 15mm compression inlet/outlet
  • Marking: Conex, size, pressure, flow arrow, CR on body
  • Installation Requirements R001
  • Model
    BVSCHK50CCE1015, BVSCHK50CCT1015
  • Factor: Conex Universal Ltd
    Company Name
    Conex Universal Ltd
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WRAS Approval Number: 1611313

Range of non-verifiable double check valve assemblies (DZR brass bodies) incorporating spherical valves and strainer. Maximum working pressure 10 bar. Maximum operating temperature 60°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1611313
  • Expiry date: 30/11/2021
  • Size: ½” BSP (F) x 15mm compression
  • Marking: Airaga logo, flow arrow, CR, size and PN rating Models added June 2018 are marked with: Altecnic logo, flow arrow, DN, PN, CR and date of manufacture on body.
  • Installation Requirements R001
  • Model
    119-1003 & 119-100 Models added June 2018: 119 1005 - ½” BSP(F) x ½” BSP(F), 119 1006 - ½” BSP(F) x ½” BSP(F), 119 1007 - ¾” BSP(F) x ¾” BSP(F) & 119 1008 - ¾” BSP(F) x ¾” BSP(F). 4
  • Factor: Altecnic Ltd.
    Company Name
    Altecnic Ltd.
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  • Manufacturer: Airaga Rubinetterie Spa
    Company Name
    Airaga Rubinetterie Spa
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WRAS Approval Number: 1702309

Range of double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body with a port located between the cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 60°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1702309
  • Expiry date: 28/02/2022
  • Size: 15mm compression
  • Marking: Caleffi logo, CR and flow arrow on body.
  • Installation Requirements R001
  • Model
    Robocheck2 303815 (chrome plated) & 303840 (brass)
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1703045

Non-verifiable double check valve assembly, consisting of two spring loaded resilient trim in-line check valve cartridges housed within a (brushed chrome) DZR brass body with a drain port located between the cartridges. The product also incorporates an isolation valve operated by a single lever and a Y-strainer. Maximum working pressure 10.0 Bar. Maximum operating temperature 99°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1703045
  • Expiry date: 31/03/2022
  • Size: 15mm compression
  • Marking: Inta, flow arrow, size and CR on body
  • Installation Requirements R001
  • Model
    DCVSTR15
  • Factor: Intatec Ltd
    Company Name
    Intatec Ltd
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WRAS Approval Number: 1704385

Range of non-verifiable check valves housed within a brass body incorporating a spherical valve. Maximum working pressure 15.0 bar. Maximum operating temperature 85°C

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1704385
  • Expiry date: 30/04/2022
  • Size: 15mm x 15mm & 15mm x ½” (M)
  • Marking: Caleffi logo, CR and flow arrow on body
  • Installation Requirements R001
  • Model
    303615 & 303606
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1709364

Inline non-verifiable double check valve assembly housed within a DZR brass body. Maximum working pressure 10.0 bar. Maximum operating temperature 65°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1709364
  • Expiry date: 30/09/2022
  • Size: 13mm O.D. (pipe connection) x ½” BSP (M)
  • Marking: RBM, flow arrow and CR on body
  • Installation Requirements R001
  • Model
    22620400
  • Manufacturer: RBM S.p.a.
    Company Name
    RBM S.p.a.
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WRAS Approval Number: 1709063

Double check valve assembly consisting of two spring loaded resilient trim in-line check valve cartridges housed in a plastic body with a drain port located between the cartridges. For use with copper pipe (manufactured to EN 1057), PEX pipe (manufactured to BS7291-3) and John Guest LLDPE tubing. Maximum working pressure 12.5 bar. Maximum operating temperature 65°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1709063
  • Expiry date: 30/09/2022
  • Size: 15mm push-fit inlet/outlet
  • Marking: John Guest logo (brand of Reliance Worldwide Corporation (UK) Ltd.), flow arrow and maximum operating temperature on body.
  • Installation Requirements R001
  • Model
    15DCV
  • Factor: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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WRAS Approval Number: 1709064

Range of non-verifiable double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body. A drain port is provided between the cartridges. Maximum working pressure 16.0 Bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1709064
  • Expiry date: 30/09/2022
  • Note: Models added January 2018 are only approved for the overall lengths indicated.
  • Size: (See model)
  • Marking: IDC logo: E mark (~E~ within circle), size, PN16, flow arrow and CR on body.
  • Installation Requirements R001
  • Model
    ACV0040101: ½” BSP (F) inlet/outlet, ACV0040201: ¾” BSP (F) inlet/outlet, ACV0040501: 1½” BSP (F) inlet/outlet. Models added January 2018: ACV0040301: 1” BSP (F) inlet/outlet (98mm overall length). ACV0040601: 2” BSP (F) inlet/outlet (173mm overall length).
  • Factor: IDC Plumbing & Heating Technology (Beijing) Ltd
    Company Name
    IDC Plumbing & Heating Technology (Beijing) Ltd
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  • Manufacturer: IDC FLUID CONTROL CO., LTD
    Company Name
    IDC FLUID CONTROL CO., LTD
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WRAS Approval Number: 1709062

Non-verifiable double check valve assembly, consisting of two spring loaded resilient trim in-line check valve cartridges housed in an acetal body. The assembly also incorporates a drain port located between the cartridges. For use with copper and polybutylene pipe (manufactured to BS EN ISO 15875). Maximum working pressure 10.0 Bar. Cold water use only.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1709062
  • Expiry date: 30/09/2022
  • Size: 15mm push-fit end connections.
  • Marking: Opella, F and flow arrow on body
  • Installation Requirements R001
  • Model
    8430100
  • Manufacturer: Fluidmaster UK
    Company Name
    Fluidmaster UK
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WRAS Approval Number: 1710060

Double check valve assembly consisting of two spring loaded resilient in-line check valve cartridges housed in a plastic body with a drain port located between the cartridges. For use with copper or polybutylene pipe. Maximum working pressure 10.0 bar. Cold water use only.

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WRAS Approval Number: 1806326

Double check valve assembly consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body with a drain port located between the cartridges. The valve incorporates an isolation function. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1806326
  • Expiry date: 30/06/2023
  • Size: 15mm compression
  • Marking: E logo (trademark of factor), CR, flow arrow and size on body
  • Installation Requirements R001
  • Model
    15DCVB
  • Factor: IDC Plumbing & Heating Technology (Beijing) Ltd
    Company Name
    IDC Plumbing & Heating Technology (Beijing) Ltd
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  • Manufacturer: IDC Fluid Control Co., Ltd
    Company Name
    IDC Fluid Control Co., Ltd
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WRAS Approval Number: 1806339

Double check valve assembly consisting of two spring loaded resilient trim in-line check valve cartridges within a DZR brass body. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1806339
  • Expiry date: 30/06/2023
  • Size: ¼” Spigot x 3/8” BSP(M)
  • Marking: Pintossi logo, flow arrow & DZR on body
  • Installation Requirements R001
  • Model
    5612
  • Factor: Pintossi + C Spa
    Company Name
    Pintossi + C Spa
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WRAS Approval Number: 1807305

Double check valve with chrome plated DZR brass bodies, EPDM seals and stainless steel spring. Maximum working pressure 10 bar. Cold water use only.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1807305
  • Expiry date: 31/07/2023
  • Size: ½” BSP MxF.
  • Marking: ACE valves (which stands for AquaCheck Engineering), flow arrow, 500, MFD, WC, check valve and BS6282 on body.
  • Installation Requirements R001
  • Model
    ACE ½” Toilet
  • Manufacturer: Aquacheck Engineering Ltd
    Company Name
    Aquacheck Engineering Ltd
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WRAS Approval Number: 1807326

Non-verifiable double check valve assembly housed within a DZR brass body. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1807326
  • Expiry date: 31/07/2023
  • Size: 1 ¼” BSP(F) x 1 ¼” BSP(F)
  • Marking: Edison logo (trade-mark of factor: E mark (~E~ within circle)), size, pressure rating, flow arrow & CR on body.
  • Installation Requirements R001
  • Model
    ACV0040401
  • Factor: IDC Plumbing & Heating Technology (Beijing) Ltd
    Company Name
    IDC Plumbing & Heating Technology (Beijing) Ltd
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  • Manufacturer: IDC Fluid Control Co. Ltd.
    Company Name
    IDC Fluid Control Co. Ltd.
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WRAS Approval Number: 1810051

Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies (chromium plated) with a drain port located between the cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 95ºC.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1810051
  • Expiry date: 31/10/2023
  • Size: 15mm compression x 15mm compression 22mm compression x 22mm compression
  • Marking: Midbrass logo, WRAS, CR, size, flow arrow and date of manufacture (MM/YY) on valve body.
  • Installation Requirements R001
  • Model
    WCMBFDCV-15 WCMBFDCV-22 WCMBFDCVCP-15 WCMBFDCVCP-22
  • Manufacturer: Midbrass Limited
    Company Name
    Midbrass Limited
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WRAS Approval Number: 1810351

Range of non-verifiable double check valve assemblies, consisting of two spring loaded, resilient trim in-line check valve cartridges housed in a DZR brass body. A drain port is located between the cartridges. Maximum working pressure 10.0 Bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1810351
  • Expiry date: 31/10/2023
  • Size: 15, 22 & 28mm compression
  • Marking: Valtech, ED, CR, WRAS & flow arrow on body.
  • Installation Requirements R001
  • Model
    DV15, DV22 & DV28
  • Manufacturer: Ningbo Valtech Flow Control Co. Ltd.
    Company Name
    Ningbo Valtech Flow Control Co. Ltd.
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WRAS Approval Number: 1810362

Range of non-verifiable double check valve assemblies, consisting of two spring loaded, resilient trim in-line check valve cartridges housed in a DZR brass body. A drain port is located between the cartridges. Maximum working pressure 10.0 Bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1810362
  • Expiry date: 31/10/2023
  • Size: 15, 22 & 28mm compression
  • Marking: RWCW CR, FLOW ARROW & WRAS ON BODY. SIZE ON FERRULE.
  • Installation Requirements R001
  • Model
    FLOW240100, FLOW240105 & FLOW240110
  • Manufacturer: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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WRAS Approval Number: 1812365

Range of double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass or chromium plated DZR brass body. Models ED15FM235BK, ED15FM235BL & ED15MM235 Incorporate a flow restrictor. Maximum working pressure 16.0 bar. Maximum operating temperature 65°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1812365
  • Expiry date: 31/12/2023
  • Size: ½” BSP & ¾” BSP (M).
  • Marking: Arrowvalves.co.uk, KIWA, ED235 and flow arrow on body.
  • Installation Requirements R001
  • Model
    ED15FM235, ED15MF235, ED15MM235, ED20FM235 & ED20MF235.
  • Manufacturer: Arrow Valves Ltd
    Company Name
    Arrow Valves Ltd
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WRAS Approval Number: 1709141

Range of non-verifiable double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body. A drain port is provided between the cartridges. Maximum working pressure 16.0 Bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1709141
  • Expiry date: 30/09/2022
  • Size: (See model)
  • Marking: ALBION, FLOW ARROW, PN & SIZE ON BODY
  • Installation Requirements R001
  • Model
    ART 36 DN 15- ½” BSP (F) inlet/outlet, ART 36 DN 20- ¾” BSP (F) inlet/outlet, ART 36 DN 25-1½” BSP (F) inlet/outlet. ART 36 DN 40- 1” BSP (F) inlet/outlet (98mm overall length). ART 36 DN 50- 2” BSP (F) inlet/outlet (173mm overall length).
  • Factor: Albion Valves (UK) Limited
    Company Name
    Albion Valves (UK) Limited
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WRAS Approval Number: 1807372

Non-verifiable double check valve assembly housed within a DZR brass body. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1807372
  • Expiry date: 31/07/2023
  • Size: 1 ¼” BSP(F) x 1 ¼” BSP(F)
  • Marking: ALBION, FLOW AROW, PN & SIZE ON BODY
  • Installation Requirements R001
  • Model
    ART 36 DN 32
  • Factor: Albion Valves (UK) Limited
    Company Name
    Albion Valves (UK) Limited
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WRAS Approval Number: 1903068

Range of in-line non verifiable double check valve assemblies with either DZR brass (models ending CP5R-8511) or chrome plated DZR brass (model ending CP02-8511) bodies. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1903068
  • Expiry date: 31/03/2024
  • Size: See model.
  • Marking: Model ending CP02-8511: V&G logo (registered trademark of Zhejiang Valogin Technology Co. Ltd), WRAS, flow arrow, size and CR on body. Models ending CP5R-8511: V&G logo (registered trademark of Zhejiang Valogin Technology Co. Ltd), CR, flow arrow, WRAS, size and date of manufacture (MM/YY) on body.
  • Installation Requirements R001
  • Model
    12.10112.028.CP02-8511: 28mm compression. 12.10112.028.CP5R-8511: 28mm compression. 12.10112.042.CP5R-8511: 42mm compression.
  • Manufacturer: Zhejiang Valogin Technology Co. Ltd.
    Company Name
    Zhejiang Valogin Technology Co. Ltd.
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WRAS Approval Number: 1908805

Non-verifiable double check valve assemblies incorporating two spring loaded resilient trim in-line check valve cartridges, DZR brass bodies (brushed chrome) and a drain port located in between the cartridges. The assemblies incorporate a quarter turn spherical valve with single lever operating member. Maximum working pressure 10.0 bar. Maximum operating temperature 90°C

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1908805
  • Expiry date: 31/08/2024
  • Size: 15mm compression x 15mm compression. 15mm compression x ½” BSP (M).
  • Marking: Inta, flow arrow and CR on body
  • Installation Requirements R001
  • Model
    DCV0123.1: 15mm compression x 15mm compression. DCV0123X.1: 15mm compression x ½” BSP (M).
  • Manufacturer: Intatec Ltd
    Company Name
    Intatec Ltd
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WRAS Approval Number: 1907365

Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies (chromium plated) with a drain port located between the cartridges. Maximum working pressure 25.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1907365
  • Expiry date: 31/07/2024
  • Marking: Altecnic logo (‘a’), flow arrow, pressure rating (PN), size (DN), CR and year of manufacture (XX) on body.
  • Installation Requirements R001
  • Model
    AI-903015: ½” BSP (F). AI-903020: ¾” BSP (F). AI-903025: 1” BSP (F).
  • Factor: Altecnic Ltd.
    Company Name
    Altecnic Ltd.
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WRAS Approval Number: 1907378

Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies (chromium plated) with a drain port located between the cartridges. Maximum working pressure 16.0 (15-28mm & 1¼” - 2” BSP F) or 25.0 bar (½” - 1” BSP F). Maximum operating temperature 60°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1907378
  • Expiry date: 31/07/2024
  • Marking: Airaga, flow arrow, pressure rating (PN), size (DN), CR and year of manufacture (XX) on body.
  • Installation Requirements R001
  • Model
    AI-903215:15 mm compression. AI-903222: 22mm compression. AI-903228: 28mm compression. AI-903032: 1¼” BSP (F). AI-903040: 1½” BSP (F). AI-903050: 2” BSP (F).
  • Factor: Altecnic Ltd.
    Company Name
    Altecnic Ltd.
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  • Manufacturer: Airaga Rubinetterie Spa
    Company Name
    Airaga Rubinetterie Spa
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WRAS Approval Number: 1909316

Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies with a drain port located between the cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1909316
  • Expiry date: 30/09/2024
  • Size: see model
  • Marking: Albion logo, size, flow arrow, CR, on body. Size, EN1254-2 on nut.
  • Installation Requirements R001
  • Model
    AGVD3715 – ART 37: 15mm compression AGVD3722 – ART 37: 22mm compression AGVD3728 – ART 37: 28mm compression
  • Factor: Albion Valves (UK) Limited
    Company Name
    Albion Valves (UK) Limited
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  • Manufacturer: IDC Grand Fortune International Trading Ltd
    Company Name
    IDC Grand Fortune International Trading Ltd
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WRAS Approval Number: 1908814

Non-verifiable double check valve assemblies incorporating two spring loaded resilient trim in-line check valve cartridges, DZR brass bodies (brushed chrome) and a drain port located in between the cartridges. The assemblies incorporate a quarter turn spherical valve with single lever operating member. Maximum working pressure 10.0 bar. Maximum operating temperature 90°C

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1908814
  • Expiry date: 31/08/2024
  • Size: 15mm compression x 15mm compression. 15mm compression x ½” BSP (M).
  • Marking: Inta, flow arrow and CR on body
  • Installation Requirements R001
  • Model
    2509.15.00: 15mm compression x 15mm compression. 10309286: 15mm compression x ½” BSP (M).
  • Factor: RBM S.p.a.
    Company Name
    RBM S.p.a.
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  • Manufacturer: Intatec Ltd
    Company Name
    Intatec Ltd
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WRAS Approval Number: 1907382

Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies (chromium plated) with a drain port located between the cartridges. Maximum working pressure 16.0 (15-28mm & 1¼” - 2” BSP F) or 25.0 bar (½” - 1” BSP F). Maximum operating temperature 60°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1907382
  • Expiry date: 31/07/2024
  • Marking: CRANE, FLOW ARROW, CR & SIZE ON BODY
  • Installation Requirements R001
  • Model
    D220CW:15 mm compression, 22mm compression & 28mm compression. D220W: 1¼” BSP (F), 1½” BSP (F) & 2” BSP (F). D220W ½” BSP (F), ¾” BSP (F) & 1” BSP (F).
  • Factor: Crane Fluid Systems
    Company Name
    Crane Fluid Systems
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WRAS Approval Number: 1907383

Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies (chromium plated) with a drain port located between the cartridges. Maximum working pressure 16.0 (15-28mm & 1¼” - 2” BSP F) or 25.0 bar (½” - 1” BSP F). Maximum operating temperature 60°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1907383
  • Expiry date: 31/07/2024
  • Marking: HNH, FLOW ARROW, CR, SIZE & MADE IN ITALY ON BODY
  • Installation Requirements R001
  • Model
    FIG 250CW:15 mm compression, 22mm compression & 28mm compression. FIG 250W 1¼” BSP (F), 1½” BSP (F) & 2” BSP (F). FIG 250W: ½” BSP (F), ¾” BSP (F) & 1” BSP (F).
  • Factor: Hattersley
    Company Name
    Hattersley
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WRAS Approval Number: 1910313

Range of double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass or chrome plated DZR brass body. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1910313
  • Expiry date: 31/10/2024
  • Marking: Aquacheck, flow arrow & CR on body
  • Installation Requirements R001
  • Model
    Aquacheck 15D – 15mm Aquacheck 22D – 22mm Aquacheck 28D – 28mm Aquacheck 15D CP – 15mm Aquacheck 22D CP – 22mm Aquacheck 28D CP – 28mm Aquacheck 5000 – ½” BSP(F) Aquacheck 750D - ¾” BSP(F) Aquacheck 500D - ½” BSP (F). Aquacheck 750D - ¾” BSP (F). Aquacheck 1000D - 1” BSP (F). Aquacheck 1000DR - 1” BSP (F). Aquacheck 1250D - 1¼” BSP (F). Aquacheck 1500D - 1½” BSP (F). Aquacheck 2000D - 2” BSP (F).
  • Manufacturer: Aquacheck Engineering Ltd
    Company Name
    Aquacheck Engineering Ltd
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WRAS Approval Number: 1903104

Range of in-line non verifiable double check valve assemblies with DZR brass bodies. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1903104
  • Expiry date: 31/03/2024
  • Size: See model.
  • Marking: TPK, FLOW ARROW, WRAS, SIZE, CR, FLOW ARROW, SIZE & DATE OF MANUFACTURE MM/YY ON BODY EN & SIZE ON BODY
  • Installation Requirements R001
  • Model
    571458: 28mm compression. 274337: 42mm compression.
  • Factor: Travis Perkins Plc
    Company Name
    Travis Perkins Plc
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WRAS Approval Number: 1911803

Range of double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass or chrome plated DZR brass body. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1911803
  • Expiry date: 31/10/2024
  • Size: Please refer to model.
  • Marking: Boss, flow arrow, Boss range name, CR, Aquacheck & Aquacheck model on body.
  • Installation Requirements R001
  • Model
    BOSS 102S range comprising of the following models: 32210102 – 15mm 32210113 – 22mm 32210124 – 28mm 32210135 – 15mm 32210146 – 22mm 32210157 – 28mm 32210305 - ½” BSP (F). 32210316 - ¾” BSP (F). 32210327 - 1” BSP (F). 32210338 - 1¼” BSP (F). 32210349 - 1½” BSP (F). 32210360 - 2” BSP (F).
  • Factor: BSS Group Limited
    Company Name
    BSS Group Limited
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WRAS Approval Number: 1909337

In-line double check valve assembly consisting of two spring loaded resilient trim check valve cartridges housed within a DZR brass body with a test point between both check valves. Maximum working pressure 10.0 bar. Maximum operating temperature 99°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1909337
  • Expiry date: 30/09/2024
  • Size: 12.98mm OD manifold connection x ½” BSP(M)
  • Marking: Caleffi logo, flow arrow, CR mark on body
  • Installation Requirements R001
  • Model
    303801 VHG
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1912015

Double check valve assembly with DZR brass body consisting of two spring loaded, resilient trim in-line check valve cartridges, incorporating a lever operated spherical valve. Maximum working pressure 10.0 bar. Cold water use only

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1912015
  • Expiry date: 31/12/2024
  • Note: Not for use with water injected with CO2 gas
  • Size: ¾” BSP (F) inlet/outlet
  • Marking: Edwards Standpipes, size, CR and flow arrow on body
  • Installation Requirements R001
  • Model
    ITEMA50568
  • Factor: Edwards Engineering Ltd
    Company Name
    Edwards Engineering Ltd
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  • Manufacturer: IDC FLUID CONTROL CO., LTD
    Company Name
    IDC FLUID CONTROL CO., LTD
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WRAS Approval Number: 2001100

Range of non-verifiable double check valve assemblies, incorporating two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies. The products incorporate a drain port between the cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2001100
  • Expiry date: 31/01/2025
  • Note: Not for use with water injected with CO2 gas.
  • Size: see model
  • Marking: IDC logo: E mark (~E~ within circle), size, flow arrow and CR marking on body. EN1245-2 on compression nuts.
  • Installation Requirements R001
  • Model
    M37150000 - 15mm compression. M37150000P (Nickel plated) - 15mm compression. M37220000 - 22mm compression. M37280000 - 28mm compression.
  • Factor: IDC Plumbing & Heating Technology (Beijing) Ltd
    Company Name
    IDC Plumbing & Heating Technology (Beijing) Ltd
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  • Manufacturer: IDC FLUID CONTROL CO., LTD
    Company Name
    IDC FLUID CONTROL CO., LTD
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WRAS Approval Number: 2001012

Angled double check valve assembly with integral isolation valve incorporating a rising spindle that controls the flow and a (chrome plated) DZR brass body. Maximum working pressure 10.0 bar. Cold water use only.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2001012
  • Expiry date: 31/01/2025
  • Size: ½” BSP captive nut x ½” BSP (M)
  • Marking: Novasfer logo on body
  • Installation Requirements R001
  • Model
    ARTICLE N. 515
  • Factor: Novasfter
    Company Name
    Novasfter
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WRAS Approval Number: 2003352

Range of double check valves having DZR brass bodies with various finishes. Maximum working pressure 5.0 bar. Maximum operating temperature 60°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2003352
  • Expiry date: 31/03/2025
  • Size: ½” BSP (F) x ½” BSP (F)
  • Marking: Vado & CR on body.
  • Installation Requirements R001
  • Model
    WG-DCV-1/2-CP IND-DCV-1/2-BRG IND-DCV-1/2-BRN IND-DCV-1/2-BN IND-DCV-1/2-BLK
  • Manufacturer: Vado
    Company Name
    Vado
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WRAS Approval Number: 2003035

Double check valve assembly consisting of two spring loaded resilient trim in-line check valve cartridges housed in a nickel plated DZR brass body. Product also incorporates an isolation valve. Maximum working pressure 10.0 bar. Maximum operating temperature 85ºC.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2003035
  • Expiry date: 31/03/2025
  • Size: 15mm compression x ½” BSP (M)
  • Marking: Intatec logo, CR, size and flow arrow on body.
  • Installation Requirements R001
  • Model
    FLDCV15X
  • Manufacturer: Intatec Ltd
    Company Name
    Intatec Ltd
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WRAS Approval Number: 1903107

In-line non verifiable double check valve assembly with DZR brass bodies. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1903107
  • Expiry date: 31/03/2024
  • Size: See model.
  • Marking: FLOW ARROW, SIZE, WRAS, CR, TPK & DATE OF MANUFACTURE ON BODY OF VALVE.
  • Installation Requirements R001
  • Model
    211 WARRIOR DZR DOUBLE CHECK VALVE: 28mm compression.
  • Factor: BSS Industrial
    Company Name
    BSS Industrial
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WRAS Approval Number: 2005013

Range of double check valve assemblies consisting of two spring loaded in-line check valve cartridges housed in a DZR brass or chrome plated DZR brass (CP02-8511 suffix models) body with a drain port between the cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2005013
  • Expiry date: 31/05/2025
  • Note: Not for use with water injected with CO2 gas.
  • Size: See model.
  • Marking: V&G logo, WRAS, size, CR and flow arrow on body. (V&G is a registered trademark of Zhejiang Valogin Technology Co. Ltd)
  • Installation Requirements R001
  • Model
    12.10152.015.CP02-8511: 15mm compression inlet/outlet, 12.10152.015.CP5R-8511: 15mm compression inlet/outlet, 12.10152.022.CP02-8511: 22mm compression inlet/outlet, 12.10152.022.CP5R-8511: 22mm compression inlet/outlet, 12.10112.035.CP5R-8511: 35mm compression inlet/outlet.
  • Manufacturer: Zhejiang Valogin Technology Co. Ltd.
    Company Name
    Zhejiang Valogin Technology Co. Ltd.
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WRAS Approval Number: 2005045

Range of double check valve assemblies consisting of two spring loaded in-line check valve cartridges housed in a DZR brass body with a drain port between the cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2005045
  • Expiry date: 31/05/2025
  • Note: Not for use with water injected with CO2 gas.
  • Size: See model.
  • Marking: TS, CR FLOW ARROW & SIZE ON BODY SIZE ON END NUT
  • Installation Requirements R001
  • Model
    86881: 15mm compression inlet/outlet, 61921: 22mm compression inlet/outlet,
  • Factor: TOOLSTATION LTD
    Company Name
    TOOLSTATION LTD
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WRAS Approval Number: 2007341

Non-verifiable double check valve assembly with DZR brass or chrome plated body, incorporating two spring loaded, resilient trim in-line check valve cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 100°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2007341
  • Expiry date: 31/07/2025
  • Size: ½” BSP (F) x ½” BSP (M)
  • Marking: Altecnic logo, flow arrow & CR on body.
  • Installation Requirements R001
  • Model
    123 - 1101 ½”M x ½” F DCV
  • Factor: Altecnic Ltd.
    Company Name
    Altecnic Ltd.
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WRAS Approval Number: 2010315

Range of non-verifiable double check valve assemblies with DZR brass bodies, incorporating two spring loaded, resilient trim in-line check valve cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2010315
  • Expiry date: 31/10/2025
  • Size: See model.
  • Marking: V&G, WRAS, Size, DR, flow arrow and date of manufacturer (MM-YY) on body.
  • Installation Requirements R001
  • Model
    12.10172.028.CP5R-8511 – 28mm compression 12.10172.042.CP5R-8511 – 42mm compression
  • Manufacturer: Zhejiang Valogin Technology Co. Ltd.
    Company Name
    Zhejiang Valogin Technology Co. Ltd.
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WRAS Approval Number: 2010331

Non-verifiable double check valve assembly incorporating DZR brass (chrome plated) body two spring loaded, resilient trim in-line check valve cartridges & a drain port located between the cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 65°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2010331
  • Expiry date: 31/10/2025
  • Size: ½” BSP (F) x ½” BSP (M).
  • Marking: Mira, DCV-H, flow Arrow and CR on body.
  • Installation Requirements R001
  • Model
    1.0.110.55.1 – Mira DCV H Chrome
  • Manufacturer: Kohler Mira Ltd
    Company Name
    Kohler Mira Ltd
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WRAS Approval Number: 2010372

Range of non verifiable double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body. The products incorporate a drain port between the cartridges. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2010372
  • Expiry date: 31/10/2025
  • Size: See model
  • Marking: Jet range, CR, DN, ED & flow arrow on body.
  • Installation Requirements R001
  • Model
    Jet range comprising of models: K74233 (DN15): ¾” BSP(M) x ½” BSP(F) x 15mm compression. K74234 (DN20): 1” BSP(M) x ¾” BSP(F) x 22mm compression. K74235 (DN25): 1 ¼” BSP (M) x 28mm compression.
  • Factor: Wolseley UK Ltd.
    Company Name
    Wolseley UK Ltd.
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WRAS Approval Number: 2010318

Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies (brushed chrome plated) with a drain port located between the cartridges either at the top or bottom. Models incorporate an isolation valve with either lever or butterfly handles. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2010318
  • Expiry date: 31/10/2025
  • Size: See model
  • Marking: Model ALT-M7600120012018 Eres: Eres, CR, flow arrow and date of manufacture (represented by two letters) on body. All other models: Altecnic logo (a), CR, flow arrow and date of manufacture (represented by two letters) on body.
  • Installation Requirements R001
  • Model
    ½” BSP (M) x ½” BSP (M): ALT-M7600120012001. ALT-M7600120012018 Eres. ALT-M7600120012003. ALT-M7600120012023. ½” BSP (M) x 15mm compression: 123-1002 CST. ½” BSP (M) x 15mm spigot: A-123-2401.
  • Factor: Altecnic Ltd.
    Company Name
    Altecnic Ltd.
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WRAS Approval Number: 1907399

Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies (chromium plated) with a drain port located between the cartridges. Maximum working pressure 16.0 (15-28mm & 1¼” - 2” BSP F) or 25.0 bar (½” - 1” BSP F). Maximum operating temperature 60°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1907399
  • Expiry date: 31/07/2024
  • Marking: Airaga, flow arrow, pressure rating (PN), size (DN), CR and year of manufacture (XX) on body.
  • Installation Requirements R001
  • Model
    HVDCVC-31:15 mm compression. HVDCVC-32: 22mm compression. HVDCVC-33: 28mm compression. HVDCVC-31: 1¼” BSP (F). HVDCVC-32: 1½” BSP (F). HVDCVC-33: 2” BSP (F).
  • Factor: Herz Valves UK Ltd
    Company Name
    Herz Valves UK Ltd
    View All Listings by this Company
  • Manufacturer: Airaga Rubinetterie Spa
    Company Name
    Airaga Rubinetterie Spa
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WRAS Approval Number: 2012313

Range of non-verifiable double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body, compression models are nickle plated. A drain port is provided between the cartridges. Compression models are to be used with copper pipe to EN1057. Maximum working pressure 16.0 Bar. Maximum operating temperature for the D220W range 85°C. Maximum operating temperature of the D200CW range 60°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2012313
  • Expiry date: 31/12/2025
  • Size: D220W – DN15, DN20, DN25, DN32, DN40, DN50. D220CW – 15mm, 22mm, 28mm compression.
  • Marking: Crane, flow arrow, PN, DN and CR mould on body
  • Installation Requirements R001
  • Model
    D220W D220CW
  • Factor: Crane Ltd
    Company Name
    Crane Ltd
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WRAS Approval Number: 1907400

Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies (chromium plated) with a drain port located between the cartridges. Maximum working pressure 25.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 1907400
  • Expiry date: 31/07/2024
  • Marking: Altecnic logo (‘a’), flow arrow, pressure rating (PN), size (DN), CR and year of manufacture (XX) on body.
  • Installation Requirements R001
  • Model
    HVDCV-21: ½” BSP (F). HVDCV-22: ¾” BSP (F). HVDCV-23: 1” BSP (F).
  • Factor: Herz Valves UK Ltd
    Company Name
    Herz Valves UK Ltd
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  • Manufacturer: Altecnic Ltd
    Company Name
    Altecnic Ltd
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WRAS Approval Number: 2012364

Range of non-verifiable double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body, compression models are nickle plated. A drain port is provided between the cartridges. Compression models are to be used with copper pipe to EN1057. Maximum working pressure 16.0 Bar. Maximum operating temperature for the Hattersley Fig 250W range 85°C. Maximum operating temperature of the Hattersley Fig 250CW is 60°C

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2012364
  • Expiry date: 31/12/2025
  • Size: Hattersley Fig 250W– DN15, DN20, DN25, DN32, DN40, DN50. Hattersley Fig 250CW – 15mm, 22mm, 28mm compression.
  • Marking: Hattersley Logo, flow arrow, PN, DN and CR mould on body
  • Installation Requirements R001
  • Model
    Hattersley Fig 250W & 250CW double check valve assemblies
  • Factor: Hattersley
    Company Name
    Hattersley
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WRAS Approval Number: 2005046

Range of double check valve assemblies consisting of two spring loaded in-line check valve cartridges housed in a DZR brass body with a drain port between the cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2005046
  • Expiry date: 31/05/2025
  • Note: Not for use with water injected with CO2 gas.
  • Size: See model.
  • Marking: CPS, size, CR and flow arrow on body.
  • Installation Requirements R001
  • Model
    631244 15mm compression inlet/outlet 375478 22mm compression inlet/outlet 662474 35mm compression inlet/outlet 799297 22mm compression inlet/outlet 218178 15mm compression inlet/outlet
  • Factor: City Plumbing Supplies/ Plumbing Trade Supplies
    Company Name
    City Plumbing Supplies/ Plumbing Trade Supplies
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WRAS Approval Number: 2010390

Range of non-verifiable double check valve assemblies with DZR brass bodies, incorporating two spring loaded, resilient trim in-line check valve cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2010390
  • Expiry date: 31/10/2025
  • Marking: TPK, Size, CR, flow arrow and date of manufacturer (MM-YY) on body.
  • Installation Requirements R001
  • Model
    571458 – 28mm compression 274337 – 42mm compression
  • Factor: City Plumbing Supplies/ Plumbing Trade Supplies
    Company Name
    City Plumbing Supplies/ Plumbing Trade Supplies
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WRAS Approval Number: 2109332

Non-verifiable double check valve assemblies with DZR brass bodies (chrome plated), incorporating two spring loaded, resilient trim in-line check valve cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2109332
  • Expiry date: 30/09/2026
  • Size: 14.7mm compression.
  • Marking: IDC logo (~E~ within a circle), flow arrow, CR and size etched on body
  • Installation Requirements R001
  • Model
    ICVB005
  • Factor: IDC Plumbing & Heating Technology (Beijing) Ltd
    Company Name
    IDC Plumbing & Heating Technology (Beijing) Ltd
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  • Manufacturer: IDC FLUID CONTROL CO., LTD
    Company Name
    IDC FLUID CONTROL CO., LTD
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WRAS Approval Number: 2109336

Range of inline non verifiable double check valve assemblies with DZR brass bodies. Model S0270L-1 incorporates an isolation valve and is chrome plated. Maximum working pressure 10.0 bar. Maximum operating temperature 60°C.

  • Section: 0034 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
  • WRAS Approval Number: 2109336
  • Expiry date: 30/09/2026
  • Size: S0235L-1 15mm compression S0235L-2 22mm compression S0270L-1 15mm compression
  • Marking: SCE Technologhy logo (an eagle) Size, Flow arrow, CR on body.
  • Installation Requirements R001
  • Model
    S0235L-1 15mm S0235L-2 22mm S0270L-1 15mm with isolating valve
  • Factor: SCE Technology (Ningbo) Co Ltd
    Company Name
    SCE Technology (Ningbo) Co Ltd
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  • Manufacturer: SCE Technology (Ningbo) Co Ltd
    Company Name
    SCE Technology (Ningbo) Co Ltd
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