Use fluid :air ,water ,oil ,as fluride refrigerant Pressure and the prcddure regulator accuracy accuratc,

Dual Single pressure switch  PK-7 A

Use fluid :air ,water ,oil ,such as fluride refrigerant

(Fluid temperature -20°c+120  °c )

Double pressure of low pressure side of the refrigeration system

prcssure control and high-pressurc side Overvoltage protec tion-in-one

functionality pressure controller.

Addition to automatic reset type ,also cquippcd with manual

reset ttype high -pressure ,high-Low -voltage manually reset

different occasions

Micro-switchs can be relicd upon:

Environmental Temperature,-20 °c ~+70 °c

Dual Single pressure switch PK-7A