Acutech

Pressure relief valve are designed to provide effective pressure surge protection for aluminium and high pressure plastic pipe sprinkler systemsProvides pressure surge protection for irrigation systemAdjustable pressure setting maximizes performance for individual applicationHigh strength cast aluminum body, stainless steel shaft offer strength & corrosion resistance.Oil tempered coil spring provide responsive operation for individual pressure range.

1" in Plastic 1-12" & 2" in Aluminum Air vents are designed for evacuation of air when filling a pipe line and provide positive vacuum relief when pipe is draining. Use in gravity od higher pressure system.Features AV mode a semi hard, precision ground inner solid plastic floret ball. The float seats against a precision O Ring providing a tight seal at very low pressure where other vents often leak. They have excellent seating characteristics & operate trouble-free at pressure up to 10 kgcm2.AV`s are made with standard female pipe threads which should be protected with "Never Seize" or equivalent when installed.