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Pneumatic Valve Series

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Two-step Open Pneumatic Valve(Normally Closed)

Two-step Open Pneumatic Valve(Normally Closed),its open state is controlled by two module solenoid pilot valves in sequence, making it in three states: closed, 10% open, 100% open.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 heating gas pipeline of the hot gas defrosting system.





Product Information

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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.

Two-step Open Pneumatic Valve(Normally Closed)

Name

Model (DN)

Size(mm)

φD

φD1

L

L1

H

H1

DGPV-2C

40

47

144

248.5

300.5

222

410

50

59

144

248.5

300.5

222

410

65

78

160

252

331

222

485

80

91

176

311

389

273

535

100

110

222

359

450

292

580

125

135

257

393.6

475.6

410

660