HED4 HYDRAULIC—ELECTRIC TYPE PRESSURE SWITCH

    1、The HED4 series hydraulic-electric pressure switch is a piston pressure switch. It is composed of bowl (1), insert of piston (2), spring (3), adjuster (4) and switch (5).

    2、Controlled pressure is applied on the piston (2) , and through the spring (3) the force transmits to the switch (5). The electrical circuit will be turned on or off as designed in this time.

    3、The machine dog protects the pressure switch from damage caused by over pressure .