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Normally closed pneumatic diaphragm valve

Products > Anticorrosive valve > Normally closed pneumatic diaphragm valve

Normally closed pneumatic diaphragm valve

Model: G6K41J
Nominal diameter: DN25 ~ 200mm
Nominal: PN0.4 ~ 0.6MPa
Material: cast iron, steel and other
Design and manufacturing by: GB12239
Structural length according to: GB12221
Flange dimensions by: GB 4216.4
Test and Test Press: GB / T 13927
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Normally closed pneumatic diaphragm valve main parameters

 

model

Nominal pressure PN (MPa)

Test pressure PS (MPa)

Suitable media

Working temperature (℃)

Shell test

Seal test

G6B4WUFS-6

0.6

0.9

0.66

W. Non-corrosive fluid 
J · General corrosive fluid 
FS. Strong acid and alkali and various organic solvents (except for dissolved alkali metal oxygen)

≤100 
≤85 
≤150

G6B4WUFS-4

0.4

0.6

0.44

 

Normally closed pneumatic diaphragm valve main parts material

Part Name

Body

Disc, valve cover

Cylinder, cylinder head

Screw, stem, piston

Diaphragm

material

HT200 fluorine plastic, rubber lining

HT200

HT200

35

Fluorocarbon rubber, fluorine plastic

Note: 1, the pneumatic diaphragm valve can still be attached to the feedback signal, limiter or positioner to adapt to the needs of near-control, program-controlled or regulating flow. 
 2, pneumatic valve feedback signal using non-contact sensing technology. 
 3, the use of piston-cylinder. 
4, when the gas source fails, the handwheel can be operated to open the valve.

 

 

Normally closed pneumatic diaphragm valve shape connection size and weight

model

Nominal diameter DN (mm)

Size (mm)

Pneumatic device (mm)

Quality 
(kg)

L

D1

D

nd

H1

D0

Air consumption ㎝ 2

Air pressure MPa

G6B41WJFS-6

25

145

85

115

4-13.5

296

120

2.395 × 102

0.4

8

32

160

100

140

4-17.5

398

140

6.082 × 102

0.4

15

40

180

110

150

4-17.5

406

140

6.082 × 102

0.4

17

50

210

125

165

4-17.5

464

160

1.235 × 102

0.4-0.5

26

65

250

145

180

4-17.5

-

160

3.725 × 103

0.4-0.5

32

80

300

160

200

4-17.5

645

200

3.725 × 103

0.4-0.5

56

100

350

180

220

8-17.5

665

240

9.458 × 103

0.4-0.5

100

125

400

210

250

8-17.5

832

320

1.409 × 104

0.4-0.5

170

150

460

240

285

8-22

933

320

2.868 × 104

0.5

323

G6B41WJFS-4

200

570

295

340

8-22

1275

400

4.619 × 104

0.5

386


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