Jergens Work Holding Solutions - C-Box Pump, Use and Maintenance Booklet - 4-06-16
Page 6
Air Operated Pressure Release Valve
This accessory is intended for use in systems where no directional control valves are
used. Pressurized oil from the system will be released internally back to tank when
pilot air pressure is applied to the 1/8” NPT connections shown below.
A small pneumatic valve can be used to direct regulated air pressure either to the
pump or to the pressure release valve. This allows the power unit to be controlled
remotely by the operator.
A typical circuit is as follows:
