Where the risk of damage to the fabric of the structure due to vibration or impact is high, the A4 Transfer Valve can provide the solution. The A4 Transfer Valve has a low opening pressure of 0.14psi (0.01 bar).
The natural rubber version has a temperature range of –40ºC to +65 ºC. The neoprene version has a temperature range of –30ºC to +65 ºC.