Prefill and Exhaust valve models PV** are seat type valves. allowing free flow from its port A to
port B and leak free closure in opposite direction. For reverse flow, these valves can be opened by applying pilot pressure to its port X.
The valves are design for the purpose of pre-filling large cylinders during their rapid approach
motion. which are actuated mean like a pair of kicker cylinders.
For Connectivity Its A port is machined as per Port dimensions for Flanged connection ISO
6162. The special cavity for the B port helps the user to mount these valves directly on the
cylinder.