Section Code 0009 : SCHEDULE 2 - Section 6.2 - Type AB - Air gap with weir overflow.
Back To Directory SectionsType 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.
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.
‘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.
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.
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
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