HVFF Series push-in hand valves are widely used in compressed air pipeline systems, compact design, affordable cost, and easy operation.
There are two types of HVFF: 2-way 2-position and 3-way 2-position types.
While for 2/2 hand valves, it’s well known, just control the airflow by the hand rotary knob, open and closed.
For the 3/2 hand valves, there is an extra exhaust hole on the top side of the valve, when the valve is shut off, the exhaust hole will discharge the pressure of the output side, which will release the pressure of the actuating components, prolong the working life the parts.
