Inner Groove Breath Valve DFX series

The main technical parameters:

Nominal diameter:

100、150、200mm

Nominal pressure:

0.25MPa

Open pressure:

2000mmH20（20KPa）

Vacuum opening pressure:

-50±20mmH20（-500±200Pa）

Sealing pressure:

0.0098MPa

Applicable media:

LNG、LO₂、LN₂、LCO₂ and so on

Proper temperature:

-196℃~+80℃

Precautions:

Avoid oil

Main parts materials:

Body:

Copper

Cap:

Copper

Top:

Aluminum alloy

Diaphragm:

PTFE or Stainless steel

Connecting flange:

Stainless steel（JB/T81-94）

DFX100A

885

320

100

80

109

150

159

14

14

DFX150A

971

320

150

130

159

200

219

16

18

DFX200A

850

326

200

200

219

250

273

18

22