Backflow Prevention Devices

Section Code 0009 : SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.

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WRAS Approval Number: 1901380

Type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). from polypropylene. Maximum working pressure 6.0 bar. Maximum operating temperature 60°C.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 1901380
  • Expiry date: 31/01/2024
  • Size: 8mm ID moulded pipe
  • Marking: AWECO, PP on body
  • Installation Requirements R001 R574
  • Model
    Type AB Air gap for stationary Dishwashing Machines
  • Factor: Hobart GmbH
    Company Name
    Hobart GmbH
    Address
    Robert-Bosch-Str. 17 77656 Offenburg
    Country
    Germany
    Phone
    +49 781 600-0
    General Email
    info@hobart.de
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  • Manufacturer: Sanhua Aweco
    Company Name
    Sanhua Aweco
    Address
    UL. Turynska 80 43-100 Tychy Poland
    General Email
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WRAS Approval Number: 1901351

Type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). manufactured from polypropylene. Maximum working pressure 6.0 bar. Maximum operating temperature 60°C

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 1901351
  • Expiry date: 31/01/2024
  • Size: 8mm ID moulded pipe
  • Marking: AWECO on body
  • Installation Requirements R001 R574
  • Model
    04-006343-001 Type AB Air gap for stationary Dishwashing Machines
  • Factor: Hobart GmbH
    Company Name
    Hobart GmbH
    Address
    Robert-Bosch-Str. 17 77656 Offenburg
    Country
    Germany
    Phone
    +49 781 600-0
    General Email
    info@hobart.de
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  • Manufacturer: Sanhua Aweco
    Company Name
    Sanhua Aweco
    Address
    UL. Turynska 80 43-100 Tychy Poland
    General Email
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WRAS Approval Number: 1901045

Type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5) with flow controlled via a solenoid valve. The solenoid valve incorporates a flow regulator and a strainer on the inlet. The product incorporates an EPDM gasket, a Y-pattern strainer with stainless steel mesh, a dual layer PVC hose (grey outer/black inner) with ¾” captive nut end connections and two EPDM gaskets installed in this order prior to the solenoid. Maximum working pressure 7.0 Bar. Maximum operating temperature 60°C.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 1901045
  • Expiry date: 31/01/2024
  • Note: This assembly incorporates a Fluid Category 5 backflow prevention device.
  • Size: ¾” BSP (F)
  • Marking: Electrolux and model on adhesive label on air gap body
  • Installation Requirements R001 R008 R574
  • Model
    AGAB01a, AGAB01b & AGAB01c.
  • Manufacturer: Electrolux Professional SpA
    Company Name
    Electrolux Professional SpA
    Address
    Via Segaluzza 30 33170 Pordenone Italy
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WRAS Approval Number: 1905314

Type AB air gap arrangement consisting of an inline strainer and solenoid valve feeding a break cistern via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). Maximum working pressure 6.0 bar. Maximum operating temperature 60°C.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 1905314
  • Expiry date: 31/05/2024
  • Size: ¾” BSP (M)
  • Marking: Hobart on adhesive label
  • Installation Requirements R001 R008 R270 R574
  • Model
    01-533140-001
  • Manufacturer: Hobart GmbH
    Company Name
    Hobart GmbH
    Address
    Robert-Bosch-Str. 17 77656 Offenburg
    Country
    Germany
    Phone
    +49 781 600-0
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WRAS Approval Number: 2001086

Range of type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). with flow control via solenoid valves incorporating flow restrictors. Maximum working pressure 6.0 bar. Maximum operating temperature 60ºC.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2001086
  • Expiry date: 31/01/2025
  • Size: Dual layered PVC flexible hose with 3/4" BSP captive nut end connections.
  • Marking: ALI Group SRL, model, max flow rate and max temp on adhesive label on body.
  • Installation Requirements R001 R008 R520 R574
  • Model
    DW15735/W1 - AB air gap arrangement with 2.4l receiving vessel and one inlet DW15720/W1 - AB air gap arrangement with 3.5l receiving vessel and one inlet DW15735/W3 - AB air gap arrangement with 2.4l receiving vessel and three inlets DW15720/W3 - AB air gap arrangement with 3.5l receiving vessel and three inlets The difference between DW15735/Wx and DW15720/Wx is the volume of the receiving vessel. The difference between xxxxxxx/W1 and xxxxxxx/W3 is the number of the inlets of the air gap.
  • Manufacturer: ALI Group S.r.l.
    Company Name
    ALI Group S.r.l.
    Address
    Via del Lavoro, 28, 31033 Castelfranco V.to (TV), Italy
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WRAS Approval Number: 2003373

‘Boost a Break’ range of break tank and booster sets incorporating a solenoid valve controlling the flow, polypropylene tank and pump having a single check valve cartridge at the inlet (however the complete assembly has not been tested to demonstrate it provides adequate backflow protection). The pump sets have various flow rates and pressures depending in installation requirements. The tank incorporates a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). Maximum working pressure 10.0 bar. Cold water use only.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2003373
  • Expiry date: 31/03/2025
  • Note: Non wholesome water use only.
  • Size: Stainless steel braided EPDM lined flexible hose with 1 ¼” captive nut end connections.
  • Marking: Arrow valves, model, serial no, Boost a Break & other technical information, www.arrowvalves.co.uk on control unit.
  • Installation Requirements R001 R415 R574
  • Model
    Single Pump, Single filling Solenoid BTAB3-5 - 2.0 bar BTAB3-7 - 3.0 bar BTAB3-10 - 4.0 bar BTAB1-5 - 5.0 bar BTAB1-6 - 6.0 bar BTAB1-7 - 7.0 bar BTAB1-8 - 8.0 bar BTAB1-9 - 9.0 bar BTAB1-10 - 10.0 bar BTAB5-4 - 1.5 bar Single Pump, two filling solenoids BTAB5-8 - 3.0 bar BTAB5-10 - 4.0 bar BTAB2-5 - 5.0 bar BTAB5-16 - 6.0 bar BTAB2-7 - 7.0 bar BTAB2-8 - 8.0 bar Dual pump, 24 litre break tank (up to 2.0 lt/s) BTAB3-7S - 3.0 bar BTAB3-10S - 4.0 bar BTAB3-5A - 2.0 bar BTAB5-4S - 1.5 bar BTAB5-8S - 3.0 bar BTAB3-7A - 3.0 bar BTAB3-10A - 4.0 bar Dual pump, 100 litre break tank (3.0 lt/s) BTAB5-8A - 3.0 bar Models added May 2020: BTAB700 2.0 bar BTAB900 3.0 bar BTAB1200 4.0 bar BTAB4-2 1.0 bar BTAB4-3 2.0 bar BTAB4-4 3.0 bar
  • Manufacturer: Arrow Valves Ltd
    Company Name
    Arrow Valves Ltd
    Address
    York House Northbridge Road Berkhamsted Hertfordshire
    Postcode
    HP4 1TA
    Country
    Herts
    Phone
    01442 823 123
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WRAS Approval Number: 2006006

Rainwater harvesting back up device used to top up rainwater harvesting tanks with mains water. The device is fed by a solenoid valve and discharges via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). Maximum working pressure 10.0 bar. Cold water use only.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2006006
  • Expiry date: 30/06/2025
  • Note: Push-fit inlet connection for use with John Guest Speedfit Layflat Polybutylene Barrier + John Guest Speedift pipe insert (not supplied) and copper pipe (not supplied).
  • Size: 15mm push-fit
  • Marking: Rainwater Harvesting logo on front cover. Rainwater Harvesting, serial number, model, product info on label inside cover.
  • Installation Requirements R001 R008 R574
  • Model
    BUB03
  • Manufacturer: Rainwater Harvesting Ltd.
    Company Name
    Rainwater Harvesting Ltd.
    Address
    Unit A Harrier PArk Orton Southgate Peterborough
    Postcode
    PE2 6YQ
    Phone
    01733 405102
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WRAS Approval Number: 2010047

Type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5) and flexible hose. Flow is controlled via a solenoid valve. Maximum working pressure 4.0 bar. Maximum operating temperature 55°C

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2010047
  • Expiry date: 31/10/2025
  • Size: ¾” BSP (M)
  • Marking: Classeq, model number and flow arrow on label on body
  • Installation Requirements R001 R008 R574
  • Model
    200.0001
  • Manufacturer: Classeq Limited
    Company Name
    Classeq Limited
    Postcode
    ST18 0DG
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WRAS Approval Number: 2010039

Rainwater top up cistern with flow controlled by solenoid valve and discharged via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). Product also incorporates a stop valve, a flow restrictor and a float valve on the inlet. Maximum working pressure 10.0 bar. Cold water use only.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2010039
  • Expiry date: 31/10/2025
  • Size: 15mm push fit
  • Marking: Rain Direct on front panel. Rainwater Harvesting, model, serial number and other product info on adhesive label inside panel.
  • Installation Requirements R001 R415 R574
  • Model
    RainDirector RD01
  • Manufacturer: Rainwater Harvesting Ltd.
    Company Name
    Rainwater Harvesting Ltd.
    Address
    Unit A Harrier PArk Orton Southgate Peterborough
    Postcode
    PE2 6YQ
    Phone
    01733 405102
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WRAS Approval Number: 2105320

Standpipe assembly break tank with a Type ‘AB’ air gap (verified by test – suitable for backflow protection against fluid category 5) mounted to the top of the standpipe body. The tank is filled via a compact float valve and has two screened weir slots. Water is then supplied by gravity from the break tank to the hose outlet below. Flow is activated via a spherical valve located behind a lockable panel. In addition to the isolation valve, the product incorporates a single check valve assembly (suitable for backflow protection against Fluid Category 2) prior to the spherical valve and an in-line ‘Y’ pattern strainer after it. The spherical valve includes a drain plug to allow for draining. Insulation is provided up to the drain point. Maximum working pressure 10.0 bar. Cold water use only.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2105320
  • Expiry date: 31/05/2026
  • Note: The MDPE pipe manufactured to BS EN 12201-2:2011 noted under size is not supplied or included under the scope of this approval.
  • Size: 20mm, 25mm or 32mm compression (for use with MDPE pipe manufactured to BS EN 12201-2:2011 only).
  • Marking: Arrow valve, product code, manuafcturers website and tel no. on adhesive label on front cover.
  • Installation Requirements R001 R415 R430 R511
  • Model
    SPFC5X20, SPFC5X25, SPFC5X32.
  • Manufacturer: Arrow Valves Ltd
    Company Name
    Arrow Valves Ltd
    Address
    York House Northbridge Road Berkhamsted Hertfordshire
    Postcode
    HP4 1TA
    Country
    Herts
    Phone
    01442 823 123
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WRAS Approval Number: 2109040

Type ‘AB’ air gap assembly (verified by test - suitable for backflow protection against Fluid Category 5) with flow controlled via a solenoid valve. Supplied with EPDM inlet hoses that incorporate a single check valve cartridge, however the check valve has not been fully tested to demonstrate it provides backflow protection. Max working pressure 6.0 bar. Maximum operating temperature 60ºC.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2109040
  • Expiry date: 30/09/2026
  • Size: ¾” BSP (F)
  • Marking: Winterhalter and model on adhesive label on body.
  • Installation Requirements R001 R150 R574
  • Model
    70014626
  • Factor: Winterhalter Gastronom GmbH
    Company Name
    Winterhalter Gastronom GmbH
    Address
    Commercial Dishwashing Systems, Tettnanger Strasse 77, 88074 Meckenbeuren
    Country
    Germany
    Phone
    0049 (0) 7542 402 0
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WRAS Approval Number: 2209317

Range of pressurisation units with flow controlled by a float operated valve and discharged via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). The inlets incorporate stainless steel strainers, flow restrictors and spherical isolation valves. Maximum working pressure 10.0 bar. Cold water use only.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2209317
  • Expiry date: 30/09/2027
  • Note: To supply non-wholesome water systems only.
  • Size: 15mm compression.
  • Marking: Arrow Valves, size, model and product info on data label on front casing.
  • Installation Requirements R001 R415 R574
  • Model
    Dose & Fill DF15 & Midi-Fill Digital MFD15.
  • Manufacturer: Arrow Valves Ltd
    Company Name
    Arrow Valves Ltd
    Address
    York House Northbridge Road Berkhamsted Hertfordshire
    Postcode
    HP4 1TA
    Country
    Herts
    Phone
    01442 823 123
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WRAS Approval Number: 2302800

‘Type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5) incorporating a float operated valve controlling the flow. The inlet hose incorporates an isolation valve. Maximum working pressure 10.0 bar. Cold water use only.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2302800
  • Expiry date: 29/02/2028
  • Note: This appliance incorporates a Fluid Category 5 backflow prevention device.
  • Size: Stainless-steel braided EPDM lined flexible hose assembly with 15mm push fit connection.
  • Marking: Arrow Valves, Tel No, website, model, fluid catergory 5 protection, and break tank with Type AB Airgap on adhesive label on drip tray.
  • Installation Requirements R001 R574
  • Model
    AB18
  • Manufacturer: Arrow Valves Ltd
    Company Name
    Arrow Valves Ltd
    Address
    York House Northbridge Road Berkhamsted Hertfordshire
    Postcode
    HP4 1TA
    Country
    Herts
    Phone
    01442 823 123
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WRAS Approval Number: 2311337

Range of break tanks and pump sets incorporating a Type AB airgap (verified by test - suitable for backflow protection against fluid category 5). Maximum working pressure 10 bar. Cold water use only.

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2311337
  • Expiry date: 1/12/2028
  • Note: To supply non-wholesome water systems only.
  • Size: ½” BSP (F) 1” BSP (F) 1 ¼” BSP (F)
  • Marking: Dutypoint, address, Model, Serial No and pressure rating on adhesive label on panel.
  • Installation Requirements R001 R415 R574
  • Model
    VQ1 VQ2 FQ1** FC1 Example of Model Number: VQ1-05-015M Range: VQ (other options are FQ & FC) Number of Pumps: 1 Nominal Flow: 05 (m3hr) Motor kw (without decimal): 015 (1.5kw) Voltage: M (T=400/3/50 M=230/1/50) *Where 16Bar outlet pressure is required, the only component changed is the pressure vessel. ** the only difference between VQ1 and FQ1 is the electrical control type, so the VQ1 sample will also serve as the FQ1 sample
  • Manufacturer: Dutypoint Ltd.
    Company Name
    Dutypoint Ltd.
    Address
    Olympus Park, Quedgeley Gloucestershire
    Postcode
    GL2 4DH
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WRAS Approval Number: 2311335

Range of AB air gap arrangements (verified by test - suitable for backflow protection against Fluid Category 5), supplied with or without softeners and/or flow meters (see models). Maximum working pressure 10 bar. Maximum operating temperature 85°C

  • Section: 0009 Backflow Prevention Devices
  • Section Subtitle: SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
  • WRAS Approval Number: 2311335
  • Expiry date: 30/11/2028
  • Size: 11mm OD.
  • Marking: Made by Bitron ITALY and date clock (month and year) moulded on body. Model, ID number, WRAS type 3014 on adhesive label on body.
  • Installation Requirements R001 R008 R574
  • Model
    3014 A1 AirGap Type AB with softener and flow meter, 3014 A2 AirGap Type AB without softener and without flowmeter, 3014 A3 AirGap Type AB with softener, without flowmeter.
  • Manufacturer: Bitron SpA
    Company Name
    Bitron SpA
    Address
    Strada del Portone, 95 10095 Grugliasco TorinoI
    Country
    Italy
    Phone
    0039 11 4102558
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