- Choose between 1½” or 2".
- Fitted in pump suction lines to prevent line drainage/loss of prime.
- Petrol & biodiesel up to B30 (Viton seals).
- Range of pressure springs available to prevent fuel loss on above ground storage tanks.
- To choose the correct spring pressure (psi), measure from ground level to the top of the tank (ft). 6ft = 3 psi (ACV.3) 8ft = 4 psi (ACV.4) 10ft = 5 psi (ACV.5) 12ft = 6 psi (ACV.6)