Two-Step Open Pneumatic Valve(Nomally Open) 

1、 Technical Parameter

◆  Nominal Diameter: DN40-DN125

◆  Nominal Pressure: 2.8MPa

◆  Applicable Medium:R12,R22,R502,R134a,R404a,R507,R717 and other refrigerants.

◆  Applicable Temperature: -50 ℃ ～ + 120 ℃

◆  Connection Method: flanges at both ends.

• Instruction

Two-step Open Pneumatic Valve(Normally Open)is controlled by two module solenoid pilot valves in the open state, whichis in three states: fully open, 10% open, and 100% closed. In actual use, the time interval of the three states can be adjusted according to the actual situation, so as to achieve the ideal operating effect, which is suitable for the suction line.

3、 Order Goods

◆Please tell us the model you want when ordering.

◆E.g.:DGPV50-2N

It is means DN50 Two-step Open Pneumatic Valve(Normally Open)