1.6

MPa

shell pressure

2.4

seat pressure

1.76

temperature

120C°

pressure

1.6

≤200C°

1.0

suitable medium

steam， water

SIZE

L

D

D1

D2

B

f

n-d

Do

H

15

130

95

65

46

14

2

4-14

100

161.5

20

150

105

75

56

16

2

4-14

100

169

25

160

115

85

65

16

3

4-14

120

187

32

180

140

100

76

18

3

4-19

120

223

40

200

150

110

84

18

3

4-19

140

233.5

50

230

165

125

99

20

3

4-19

140

261.5

65

290

185

145

118

20

3

4-19

200

293

80

310

200

160

132

22

3

8-19

200

341

100

350

220

180

156

24

3

8-19

240

381

125

400

250

210

184

26

3

8-19

280

419

150

480

285

240

211

26

3

8-23

315

485

200

600

340

295

266

30

3

12-23

360

569

250

730

405

355

319

32

3

12-28

400

634

300

850

460

410

370

32

4

12-28

400

801

20

packing

graphite

GB3518-83 LC35-999

19

nut

steel

DIN17100 RSt37-2

GB700-88 Q235

18

washer

steel

DIN17100 RSt37-2

GB700-88 Q235

17

handwheel

cast iron

DIN1691 GG25

GB9439-88 HT250

16

screw

steel

DIN17100 RSt37-2

GB700-88 Q235

15

stem nut

cast brass

GB1176-87 ZCuZn38Mn2Pb2

14

gland follower

ductile iron

DIN1693 GGG50

GB1348-88 QT500-7

13

nut

steel

DIN17100 RSt37-2

GB700-88 Q235

12

bolt

steel

DIN17100 RSt37-2

GB700-88 Q235

11

bonnet

cast iron

DIN1691 GG25

GB9439-88 HT250

10

stem

stainless steel

DIN17440 X20Cr13

GB1220-92 2Cr13

9

gasket

graphite

GB3518-83 LC35-999

8

steel ball

steel

DIN17230 100Cr6

GB/T18254 GCr15

7

bolt

steel

DIN17100 RSt37-2

GB700-88 Q235

6

nut

steel

DIN17100 RSt37-2

GB700-88 Q235

5

screw

steel

DIN17100 RSt37-2

GB700-88 Q235

4

disc

cast iron

DIN1691 GG25

GB9439-88 HT250

3

disc seat ring

stainless steel

DIN17440 X20Cr13

GB1220-92 2Cr13

2

body seat ring

stainless steel

DIN17440 X20Cr13

GB1220-92 2Cr13

1

body

cast iron

DIN1691 GG25

GB9439-88 HT250

NO.

Name of part

Material

Germany standard

Chinese standard