1.0MPa

Suitable medium

water, oil,steam

Test pressure

shell

1.5MPa

seat

1.1MPa

Test time

60s

Working pressure

120°c

1.0MPa

DN

L

D

D1

D2

B

f

n-d

Do

40

140

150

110

80

16

2

4-19

130

50

150

165

125

102

16

2

4-19

130

65

170

185

145

124

16

2

4-19

130

80

180

200

160

140

17

2

8-19

150

100

190

220

180

158

17

2

8-19

185

125

200

250

210

188

18

3

8-19

185

150

210

285

240

212

20

3

8-23

195

200

230

340

295

268

21

3

12-23

225

250

250

395

350

320

23

3

12-28

245

300

270

445

400

370

24

4

12-28

285

18

bolt

steel

DIN17100 RSt37-2

GB700-88 Q235

17

washer

steel

DIN17100 RSt37-2

GB700-88 Q235

16

handwheel

cast iron

DIN1691 GG25

GB9439-88 HT250

15

O-ring

NBR

14

nut

steel

DIN17100 RSt37-2

GB700-88 Q235

13

bolt

steel

DIN17100 RSt37-2

GB700-88 Q235

12

stuffing box

ductile iron

DIN1693 GGG50

GB700-88 Q235

11

stuffing box gasket

rubber graphite

10

bonnet

cast iron

DIN1691 GG25

GB9439-88 HT250

9

flange gasket

graphite

GB3518-83 LC35-999

8

nut

steel

DIN17100 RSt37-2

GB700-88 Q235

7

bolt

steel

DIN17100 RSt37-2

GB700-88 Q235

6

stem nut

cast brass

GB1176-87 ZCuZn38Mn2Pb2

5

wedge

cast brass

DIN1691 GG25

GB9439-88 HT250

4

stem

stainless steel

DIN17440 X20Cr13

GB1220-92 2Cr13

3

wedge seat ring

cast brass

DIN17656 G-CuZn37Pb

GB1176-87 ZCuZn40Pb2

2

body

cast iron

DIN1691 GG25

GB9439-88 HT250

1

body seat ring

cast brass

DIN17656 G-CuZn37Pb

GB1176-87 ZCuZn40Pb2

NO.

Name of part

Material

Germany standard

Chinese standard