3-Way Hydraulic Relay Valve (3W-HRV)

This Plastic 3-Way, Double chamber accelerator is a hydraulically operated, diaphragm actuated pilot valve that in response to pressure applied to its control chamber, directs flow and pressure between its ports:
■ When pressure is applied to its control chamber, it connects port “3” to “4”.
■ When pressure is released from its control chamber, it connects port “2” to “4”.
The Inbar can be used to either relay and accelerate a signal (N.O.), or to reverse and accelerate a signal (N.C.).
Its also features Manual Override, The manual handle has three positions:
Position 1 – Opens the valve.
Position 2 – Closes the valve.
Position 3 – Auto / remote hydraulic command