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Body

Stem, valve flap

Sealing surface

filler

Carbon steel

stainless steel

Stainless steel and 101

Teflon

nylon

Nominal pressure PN

JIS10K

JIS20K

MPa

1.6

2.5

4.0

Shell test pressure PN

2.4

3.75

6.0

High pressure seal test pressure

1.76

2.75

4.4

Suitable media

Liquefied gas, natural gas and so on

proper temperature

-40 ∽ +80 ℃

Flange connection standard

JB / T 79-94

PN

DN

L

H

D

D1

D2

b

f

Z-φd

D0

15

130

207

95

65

45

16

2

4-14

120

20

150

217

105

75

55

16

2

4-14

140

25

160

219

115

85

65

16

2

4-14

160

32

190

280

135

100

78

18

2

4-18

180

2.5MPa

40

200

330

145

110

85

18

3

4-18

200

4.0MPa

50

230

350

160

125

100

20

3

4-18

240

10K

65

290

400

180

145

120

22

3

8-18

280

20K

80

310

430

195

160

135

22

3

8-18

320

100

350

465

230

190

160

3

8-23

360

125

400

502

270

220

188

28

3

8-25

400

150

480

560

300

250

218

30

3

8-25

440

200

600

580

360

310

278

34

4

12-25

480