- Relief pressure can be factory preset.
- Easily disassembled for servicing without removal from airline.
- V72 has a bottom relief port, providing simple inline installation.
- Low torque, non-rising pressure adjustment knob on V07, V72, and V74 provides easy hand adjustment at any pressure. V74 with 250 psig spring equipped with a T-handle adjustment.
Relief valves are used in compressed air systems to relieve excessive air pressure buildup and thereby help prevent damage to system components. Relief pressure is controlled by the adjusting knob. Clockwise rotation increases and counterclockwise rotation decreases the relief pressure setting.