Backflow Prevention Devices

Section Code 0014 : SCHEDULE 2 - Section 6.2. Type DC - Pipe interrupter with permanent atmosphere vent. The device must be fitted with the lowest point of the air aperture not less than 150mm above the free discharge point, or spillover level of an appliance, and have no valve, flow restrictor or tap on its outlet.

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WRAS Approval Number: 1811702

Range of type DC pipe interrupters with chromium plated brass bodies. Maximum working pressure 10.0 bar. Maximum operating temperature 60°C

  • Section: 0014 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2. Type DC - Pipe interrupter with permanent atmosphere vent. The device must be fitted with the lowest point of the air aperture not less than 150mm above the free discharge point, or spillover level of an appliance, and have no valve, flow restrictor or tap on its outlet.
  • WRAS Approval Number: 1811702
  • Expiry date: 30/11/2023
  • Size: DN15 - ½” BSP (M) & DN20 - ¾” BSP (M).
  • Marking: IAT (brand of Crane), size and flow arrow on body
  • Installation Requirements R001
  • Model
    Nabic Fig. 256A: DN15 N-256A-015 & DN20 N-256A-020.
  • Manufacturer: Crane Building Services & Utilities
    Company Name
    Crane Building Services & Utilities
    Address
    46-48 Wilbury Way, Hitchin Hertfordshire
    Postcode
    SG4 0UD
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WRAS Approval Number: 1812355

DC type pipe interrupters with a permanent atmospheric vent and DZR brass body, NBR ‘O’ ring and gaskets. Maximum working pressure 10.0 bar. Cold water use only.

  • Section: 0014 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2. Type DC - Pipe interrupter with permanent atmosphere vent. The device must be fitted with the lowest point of the air aperture not less than 150mm above the free discharge point, or spillover level of an appliance, and have no valve, flow restrictor or tap on its outlet.
  • WRAS Approval Number: 1812355
  • Expiry date: 31/12/2023
  • Size: See model
  • Marking: Broen-lab, & CR on body
  • Installation Requirements R001 R165
  • Model
    15279709 – M19x1/2” BSP M 15279719 – ½” x ½” BSP M 15279729 – 3/8” x ½” BSP M 15279739 – M19 x 3/8” BSP F 15279749 - ½” x ½” BSP F 15279759 - 3/8” x 3/8” BSP F
  • Manufacturer: Broen-Lab A/S
    Company Name
    Broen-Lab A/S
    Address
    Drejervaengtetr 2 5610 Assens Denmark
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WRAS Approval Number: 1906019

DC type pipe interrupters with a permanent atmospheric vent, brass body and NBR O-Ring. Maximum working pressure 10.0 bar. Maximum operating temperature 85˚C

  • Section: 0014 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2. Type DC - Pipe interrupter with permanent atmosphere vent. The device must be fitted with the lowest point of the air aperture not less than 150mm above the free discharge point, or spillover level of an appliance, and have no valve, flow restrictor or tap on its outlet.
  • WRAS Approval Number: 1906019
  • Expiry date: 30/06/2024
  • Size: 3/8” BSP (M)
  • Marking: Watersaver on pipe interrupter shroud
  • Installation Requirements R001 R165
  • Model
    BT118 Model
  • Factor: WaterSaver Faucet Co.
    Company Name
    WaterSaver Faucet Co.
    Address
    701 W. Erie Street Chicago IL60610
    Country
    USA
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WRAS Approval Number: 2104337

DC type pipe interrupter with a permanent atmospheric vent (DZR brass body) incorporating a flow regulator at the inlet and brass shroud. Maximum working pressure 10.0 bar. Cold water use only.

  • Section: 0014 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2. Type DC - Pipe interrupter with permanent atmosphere vent. The device must be fitted with the lowest point of the air aperture not less than 150mm above the free discharge point, or spillover level of an appliance, and have no valve, flow restrictor or tap on its outlet.
  • WRAS Approval Number: 2104337
  • Expiry date: 30/04/2026
  • Size: 15mm x 22mm compression
  • Marking: Marking: Dudley, DN15, CR, DC direction of flow arrow on shroud body.
  • Installation Requirements R001 R165
  • Model
    Dudley DC pipe interrupter
  • Manufacturer: Thomas Dudley Limited
    Company Name
    Thomas Dudley Limited
    Address
    Dauntless Works, PO Box 28, New Birmingham Road
    Postcode
    DY1 4SN
    Country
    Dudley,
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WRAS Approval Number: 2106039

DC type pipe interrupter with a permanent atmospheric vent and DZR brass body and EPDM gasket. Maximum working pressure 3.0 bar. Maximum operating temperature 85°C.

  • Section: 0014 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2. Type DC - Pipe interrupter with permanent atmosphere vent. The device must be fitted with the lowest point of the air aperture not less than 150mm above the free discharge point, or spillover level of an appliance, and have no valve, flow restrictor or tap on its outlet.
  • WRAS Approval Number: 2106039
  • Expiry date: 30/06/2026
  • Size: ½” BSP (F) inlet/½” BSP (M) outlet
  • Marking: TOF logo, date of manufacture (DD-MM-YYYY), flow arrow, CR on body
  • Installation Requirements R001
  • Model
    1000/551
  • Factor: TOF SRL
    Company Name
    TOF SRL
    Address
    Via Dell'erica 16/18 28017 San Maurizio D'opaglio Italy
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  • Manufacturer: TOF SRL
    Company Name
    TOF SRL
    Address
    Via Dell'erica 16/18 28017 San Maurizio D'opaglio Italy
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WRAS Approval Number: 2105314

DC type pipe interrupter with a permanent atmospheric vent. Chomium plated DZR brass body and shroud. Maximum working pressure 8.0 bar. Maximum operating temperature 40°C.

  • Section: 0014 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2. Type DC - Pipe interrupter with permanent atmosphere vent. The device must be fitted with the lowest point of the air aperture not less than 150mm above the free discharge point, or spillover level of an appliance, and have no valve, flow restrictor or tap on its outlet.
  • WRAS Approval Number: 2105314
  • Expiry date: 31/05/2026
  • Size: 15mm compression x 22mm compression
  • Marking: Company logo, (DVS) CR & flow arrow on body.
  • Installation Requirements R001 R165
  • Model
    UC00-001
  • Factor: Dart Valley Systems Ltd.
    Company Name
    Dart Valley Systems Ltd.
    Address
    Kemmings Close, Long Road, Paignton, Devon
    Postcode
    TQ4 7TW
    Country
    United Kingdom
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  • Manufacturer: Ideal China Building Material Int’l Corp
    Company Name
    Ideal China Building Material Int’l Corp
    Address
    2F-2 No 137 Sec 4 Hsin Yi Rd Taipei
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WRAS Approval Number: 2307042

DC pipe interrupter with nylon body. The inlet incorporates a plastic flow regulator. Maximum working pressure 10 Bar Cold water use only

  • Section: 0014 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2. Type DC - Pipe interrupter with permanent atmosphere vent. The device must be fitted with the lowest point of the air aperture not less than 150mm above the free discharge point, or spillover level of an appliance, and have no valve, flow restrictor or tap on its outlet.
  • WRAS Approval Number: 2307042
  • Expiry date: 31/07/2028
  • Size: ¾” BSP (F) inlet x ¾” BSP (M) outlet
  • Marking: Cistermiser on body
  • Installation Requirements R001 R165
  • Model
    EF/BF
  • Manufacturer: Cistermiser Ltd
    Company Name
    Cistermiser Ltd
    Address
    Unit 1 Woodley Park Estate 59/69 Reading Road
    Postcode
    RG5 3AN
    Country
    Woodley
    Phone
    +44 118 969 1611 Fax: 0118 944 1426
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