GD-J high vacuum damper valve

Applicable Scope(Pa)

2x105～1.3x10-4

Valve Leak Rate(Pa.L/S)

≤1.3x10-6

Medium Temperature（℃）

-25～+80(Seal Material: chemigum)
-30～+150(Seal Material: viton)

Install Position

arbitrary

Model

Diameter(DN)

ΦD

ΦB

H

A

ΦW

Flange Standard

GD-J10/KF

10

30

12.2

122

30

36

GB4982

GD-J16/KF

16

30

17.2

132

40

36

GD-J25/KF

25

40

26.2

158

50

50

GD-J40/KF

40

55

41.2

180

65

56

GD-J50/KF

50

75

52.2

278

70

100

/

Model

Diameter(DN)

ΦD

ΦB

H

A

ΦW

n-ΦC

DNy

Flange Standard

GD-J50

50

110

90

278

70

100

4-Φ9

/

GB/T6070

GD-J63

63

130

110

390

88

160

GD-J80

80

145

125

432

88

8-Φ9

GD-J100

100

165

145

460

108

GD-J(S)150

150

220

195

636

138

200

8-Φ11

DN40(GB4982)

JB919

GD-J(S)160

160

225

200

636

138

GB/T6070

GD-J(S)200

200

285

260

788

200

12-Φ11

DN50(GB/T6070)

GD-J(S)250

250

335

310

820

208

250

DN63(GB/T6070)

GD-J(S)300

300

380

350

980

250

8-Φ14

DN80(GB/T6070)

JB919