Section 0030

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Backflow Prevention Devices

SCHEDULE 2 - Section 6.2 Type EB - Non verifiable single check valve.

WRAS Approval Number  1107342

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Single check valve assembly with a brushed chrome plated DZR brass body incorporating a spring loaded resilient trim check valve cartridge and stainless steel retaining clip. Maximum working pressure 10.0 bar & maximum operating temperature 60ºC.

Size: ¾" BSP male x ¾" BSP female

Model: AI 99990230

Marking: Miele, CR marking, size and direction of flow arrow cast into body.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer: Valduvalduggia Fraz. Zuccaro

Factor: Altecnic Ltd.

WRAS Approval Number  1209335

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Range of in-line non-verifiable single check valve assemblies consisting of a spring loaded resilient trim single check valve cartridge housed within a DZR brass body (chromium plated). Maximum working pressure 10.0 bar. Maximum operating temperature 60°C.

Size: 15mm, 22mm & 28mm compression.

Model: AI 904215, AI 904222m & AI 904228

Marking: Ecofill, Altecnic logo, CR, flow arrow and diameter on body

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer: Airaga Rubinetterie Spa

Factor: Altecnic Ltd.

WRAS Approval Number  1205047

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In-line non-verifiable single check valve assembly consisting of a spring loaded resilient trim single check valve cartridge housed within a DZR brass body. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

Size: 15mm compression inlet & outlet.

Model: BI 100034.

Marking: ERES, direction of flow arrow, CR mark on body. Size, EN 1254.2 on compression nuts.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer: Altecnic Ltd.

Factor:  

WRAS Approval Number  1302300

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Single check valve assembly, consisting of a check valve cartridge within a plastic body with male female threads for installation in water meter manifolds. Maximum working pressure 10.0 bar. Cold water use only.

Size: Manifold connection (M) x manifold connection (F)

Model: NRV²

Marking: NRV² on body.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer: Steve Leigh & Associates Ltd

Factor:  

WRAS Approval Number  0910315

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In-line non-verifiable single check valve assembly consisting of a spring loaded resilient trim single check valve cartridge (TK IN) housed within a DZR brass body.

Size: 22 mm spigot x 22 mm compression.

Model: AI 904A2222 22mm x 22 mm spigot Tail check valve.

Marking: AIRAGA 22, DZR mark and direction of flow arrow etched on body.

Installation Requirements :             

Note:  

Proviso:  

Manufacturer: Airaga Rubinetterie Spa

Factor: Altecnic Ltd.

WRAS Approval Number  0910313

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`Aqua Check` in-line non-verifiable single check valve assembly consisting of a spring loaded resilient trim single check valve cartridge (TK IN) housed within a DZR brass body.

Size: ½", ¾" 1", 1¼", 1½", and 2" BSP (F) connections. 15 mm, 22 mm and 28 mm.

Model: Aquacheck 500 (½ and 15 mm). Aquacheck 750 (¾" and 22 mm). Aquacheck 1000 (1" and 28 mm). Aquacheck 1250 (1¼"). Aquacheck 1500 (1½"). Aquacheck 2000 (2").

Marking: Body etched Aquacheck, Model number BS 6282/1, DZR mark, size and arrow showing direction of flow.

Installation Requirements :             

Note:  

Proviso:  

Manufacturer: Aquacheck Engineering Ltd

Factor:  

WRAS Approval Number  0910328

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Range of in-line non-verifiable single check valve assembly consisting of a spring loaded resilient trim single check valve cartridge housed within a DZR brass body.

Size: ½”, ¾” 1, 1¼”, 1½”, and 2” BSP (F) connections 15 mm, 22 mm and 28 mm.

Model: BOSS 101S, 101SC 500, 101SC 750, 101SC 1000, 101SC 1250, 101SC 1500 & 101SC 2000.

Marking: Boss, flow arrow, Aquacheck, CR mark & size on body.

Installation Requirements : R001 R120         

Note:  

Proviso:  

Manufacturer:  

Factor: BSS Group Ltd.

WRAS Approval Number  1107343

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Robocheck 1 in-line single check valve assembly with a nickel plated DZR brass body and spring loaded resilient trim check valve cartridge. Maximum working pressure 16.0 bar

Size: 15mm compression inlet/outlet

Model: Robocheck 1.

Marking: `Caleffi`, logo, CR marking and direction of flow arrow cast on body.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer: Caleffi S.p.A

Factor:  

WRAS Approval Number  0907096

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Range of in-line single check valve assemblies incorporating DZR brass bodies, EPDM `O` rings and spring loaded resilient trim check valves (Neoperl). Maximum working pressure 10.0 bar.

Size: 15mm & 22mm compression.

Model: 961210 & 961211.

Marking: Manufacturers logo, direction of flow arrow and size on body. Wessex, size & EN1254-2 on nut.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer:  

Factor: City Plumbing Supplies

WRAS Approval Number  0907097

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Range of in-line single check valve assemblies incorporating DZR brass bodies, EPDM `O` rings and spring loaded resilient trim check valves (Neoperl). Maximum working pressure 10.0 bar.

Size: 15mm & 22mm compression.

Model: 961210 & 961211.

Marking: Manufacturers logo, direction of flow arrow and size on body. Wessex, size & EN1254-2 on nut.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer:  

Factor: Connections

WRAS Approval Number  0812023

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E922351NU inline non verifiable single check valve assembly with a brass body incorporating a check valve cartridge (Neoperl), a inline screw driver operated spherical valve with a chromium plated ball, a stainless steel strainer and a flow regulator.

Size: 15mm compression inlet, ½" BSP male outlet.

Model: E922351NU inline single check valve.

Marking: Filter, direction of flow arrow and a square cast onto body.

Installation Requirements : R001 R120 .       

Note:  

Proviso:  

Manufacturer: Guangzhou Seagull Kitchen & Bath Products Co Ltd

Factor:  

WRAS Approval Number  0907060

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Range of in-line single check valve assemblies incorporating DZR brass bodies, EPDM `O` rings and spring loaded resilient trim check valves (Neoperl). Maximum working pressure 10.0 bar.

Size: 15mm & 22mm compression.

Model: 1CVF005 & 1CVF007.

Marking: Company logo stamped into body, size and direction of flow arrow cast onto body.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer: Ningbo Jingyi Plumbing & Heating Co Ltd

Factor: IDC Plumbing & Heating Technology (Beijing)Ltd

WRAS Approval Number  0912054

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Range of non-verifiable single check valve assemblies with Acetal bodies consisting of spring loaded Neoperl resilient trim check valve cartridges with push fit connections. Maximum working pressure 10.0 bar. Cold water use only.

Size: ¼", 5/16", 3/8", 6mm, 10mm, 12mm Inlet/outlet, 5/16 inlet x ¼" outlet.

Model: ¼ SCV, 5/16SCV, 3/8SCV, 6SCV, 10SCV, 12SCV, NC2355

Marking: John Guest or JG, direction of flow arrow moulded into body.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer: John Guest Ltd

Factor:  

WRAS Approval Number  0907098

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Range of in-line single check valve assemblies incorporating DZR brass bodies, EPDM `O` rings and spring loaded resilient trim check valves (Neoperl). Maximum working pressure 10.0 bar.

Size: 15mm & 22mm compression.

Model: 961210 & 961211.

Marking: Manufacturers logo, direction of flow arrow and size on body. Wessex, size & EN1254-2 on nut.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer:  

Factor: Keyline

WRAS Approval Number  0912040

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IRN R001, R120 Tradename Non verifiable single check valve (DZR brass body) incorporating an in-line spring loaded resilient trim check valve cartridge (Watts DN15) and DZR brass body. Maximum working pressure 10.0 bar.

Size: 15mm compression inlet/outlet.

Model: `801`.

Marking: BS 6282, CR, Pegler, England, size and direction of flow arrow stamped onto housing.

Installation Requirements : R001 R120         

Note:  

Proviso:  

Manufacturer: Pegler Yorkshire Group Ltd

Factor:  

WRAS Approval Number  1103022

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Range of in-line, non-verifiable, single check valve assemblies with DZR brass bodies and spring loaded resilient trim check valve cartridges Maximum working pressure 10.0 bar & maximum operating temperature 95°C.

Size: DN15 – 15mm compression inlet/outlet, DN20 – 22mm compression inlet/outlet, DN25 – 28mm compression inlet/outlet.

Model: K424 DZR.

Marking: Kuterlite, direction of flow arrow, size, C R mark and product information on body.Kuterlite, size and product information on compression nut.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer: IDC International Trading Co

Factor: Pegler Yorkshire Group Ltd

WRAS Approval Number  1001322

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`Floguard’ range of non verifiable single check valves with a DZR brass bodies and incorporates a single check valve cartridge (Neoperl). Maximum working pressure 16 bar).

Size: ½", ¾", 1", 1¼", 1½" and 2"BSP (F).15mm, 22mm and 28mm compression fittings

Model: Flow 235 001, 235 002, 235 003, 235 004, 235 005, 235 006, 235 007, 235 008 & 235 009

Marking: BSP Versions - Body stamped with arrow showing direction of flow, R, EB, DZR Mark and DN (size).Compression Versions – Body stamped with R and EB. The size, DZR Mark and direction of flow arrow cast into body. The compression nut has R and size cast into nut.

Installation Requirements : R001 R120         

Note:  

Proviso:  

Manufacturer:  

Factor: Reliance Water Controls Ltd

WRAS Approval Number  0907095

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Range of in-line single check valve assemblies incorporating DZR brass bodies, EPDM `O` rings and spring loaded resilient trim check valves (Neoperl). Maximum working pressure 10.0 bar.

Size: 15mm & 22mm compression.

Model: 961210 & 961211.

Marking: Manufacturers logo, direction of flow arrow and size on body. Wessex, size & EN1254-2 on nut.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer:  

Factor: Travis Perkins