Vacuum relief valve VR

It is used when vacuum relief is the only requirement. Vacuum relief necessary under working conditions is achieved by a spring or weight loaded pallet. This feature reduces the possibility of tank damage due to an excessive vacuum condition. Benefits Cushioned air seating Fluoropolymer seating diaphragms minimize sticking caused by resinous vapors and atmospheric moisture. Self-draining body and drip rings to protect seating surfaces from condensate and freezing Avoids vacuum buildup due to binding or clogging of the vent