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: 1806069
DC type pipe interrupter with a plastic body. The permanent vents are shrouded. The product incorporates a grey plastic flow regulator (4L/m) on the inlet. From October 2018, models are also available with either a brown (3L/m) or yellow (5L/m) plastic flow regulator.
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: 1806069
- Expiry date: 30/06/2023
- Note: Claims for flow rate are made by the manufacturer and not considered part of the listing.
- Size: ¾” BSP (F) inlet x ¾” BSP (M) outlet
- Marking: Cistermiser and air gap type (DC) on interrupter shroud
- Installation Requirements R001
- Model
- Factor:
Cistermiser Ltd
Company Name
Cistermiser Ltd
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
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
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
- Factor:
WaterSaver Faucet Co.
Company Name
WaterSaver Faucet Co.
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
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
- Manufacturer: TOF SRLView All Listings by this Company
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