Section 0030

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Backflow Prevention Devices

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

Listing 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:  

Listing 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

Listing 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:  

Listing Number 0910316

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Single check valve assembly incorporating a DZR brass body (T - piece) and spring loaded resilient trim check valve cartridge (VLA 01 DN 20). Maximum working pressure 10.0 bar.

Size: 22 mm compression x 22 mm compression x ¾" BSP (M).

Model: AI 903A2201 DZR Tee Piece.

Marking: Manufacturers logo cast into body and DZR mark and arrow showing direction of flow cast onto body.

Installation Requirements :             

Note:  

Proviso:  

Manufacturer: Airaga Rubinetterie Spa

Factor: Altecnic Ltd.

Listing 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.

Listing Number 0607069

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`Miele` single check valve assembly with a brushed chrome plated DZR brass body incorporating a spring loaded resilient trim check valve cartridge (Neoperl) and stainless steel retaining clip. Maximum working pressure 10.0 bar.

Size: ¾" BSP male x ¾" BSP female.

Model: Miele AI - 99990230.

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

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer: Airaga Rubinetterie Spa

Factor: Altecnic Ltd.

Listing Number 0607068

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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 (Neoperl). 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           

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Proviso:  

Manufacturer: Caleffi & Co Spa

Factor: Altecnic Ltd.

Listing 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:  

Listing Number 0605078

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Range of single check valve assemblies with a polyacetal body and incorporating a single or range of spring loaded resilient trim check valve cartridges (Watts Ocean). Maximum working pressure 16.0 bar.

Size: DN32 - DN100.

Model: GNVP - 91040183.

Marking: `Grundfos`, Grundfos logo, direction of flow arrow and product information stamped into body.`Ocean` and size moulded into cartridge.

Installation Requirements : R001           

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Proviso:  

Manufacturer: Grundfos Pumpenfabrik GmbH

Factor:  

Listing 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 .       

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Proviso:  

Manufacturer: Guangzhou Seagull Kitchen & Bath Products Co Ltd

Factor:  

Listing 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

Listing Number 0607106

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`Intatec AI 090105INTA` single check valve assembly with a brushed chrome plated DZR brass body incorporating a spring loaded resilient trim check valve cartridge (Neoperl) and stainless steel retaining clip. Maximum working pressure 10.0 bar.

Size: ¾" BSP male x ¾" BSP female.

Model: Intatec AI 090105INTA.

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

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer:  

Factor: Intatec Ltd

Listing Number 0607101

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`Floguard` range of in-line non verifiable single check valve assemblies incorporating a DZR brass body and spring loaded resilient trim check valve cartridges (Neoperl OV15/OV50). Maximum working pressure 10.0 bar.

Size: 15mm, 22mm, 28mm, ½", ¾", 1", 1¼, 1½", 2".

Model: Flow 222 001, Flow 222 002, Flow 222 003, Flow 222 507, Flow 222 004, Flow 222 005, Flow 222 006, Flow 222 007.

Marking: RWC , R, CR and direction of flow arrow cast into body.

Installation Requirements : R001           

Note:  

Proviso:  

Manufacturer: Yantai Ausboard Machinery Co Ltd

Factor: Reliance Water Controls Ltd

Listing Number 0804308

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

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

Model: NRV².

Marking: Body embossed NRV².

Installation Requirements : R001           

Note:  

Proviso: Only to be installed where light is excluded

Manufacturer: Steve Leigh & Associates Ltd

Factor: