1.0MPa

Suitable medium

water,oil, steam

Test pressure

s hell

1 .5MPa

se at

1 .1MPa

test time

6 0s

working pressure

1 20° c

1 .0MPa

DN

L

D

D1

D2

B

f

n-d

Do

40

140

150

110

80

16

2

4-19

160

50

150

165

125

102

16

2

4-19

160

65

170

185

145

124

16

2

4-19

160

80

180

200

160

140

17

2

8-19

160

100

190

220

180

158

17

2

8-19

200

125

200

250

210

188

18

3

8-19

200

150

210

285

240

212

20

3

8-23

250

200

230

340

295

268

21

3

8-23

250

250

250

395

350

320

23

3

12-23

320

300

270

445

400

370

24

4

12-23

320

17

handwheel nut

ductile iron

DIN1693 GGG50

GB1348-88 QT500-7

16

handwheel

cast iron

DIN1691 GG25

GB9439-88 HT250

15

handwheel gasket

cast bronze

DIN1705 G-CuSn5ZnPb

GB1176-87 ZCuSn5Pb5Zn5

14

stem nut

cast brass

GB1176-87 ZCuZn38Mn2Pb2

13

square head bolt

steel

DIN17100 RSt37-2

GB700-88 Q235

12

nut

steel

DIN17100 RSt37-2

GB700-88 Q235

11

gland follower

ductile iron

DIN1693 GGG50

GB1348-88 QT500-7

10

packing

graphite

GB3518-83 LC35-999

9

bonnet

cast iron

DIN1691 GG25

GB9439-88 HT250

8

flange gasket

graphite

GB3518-83 LC35-999

7

nut

steel

DIN17100 RSt37-2

GB700-88 Q235

6

bolt

steel

DIN17100 RSt37-2

GB700-88 Q235

5

stem

stainless steel

DIN17440 X20Cr13

GB1220-92 2Cr13

4

wedge seat ring

cast brass

DIN17656 G-CuZn37Pb

GB1176-87 ZCuZn40Pb2

3

wedge

cast iron

DIN1691 GG25

GB9439-88 HT250

2

body seat ring

cast brass

DIN17656 G-CuZn37Pb

GB1176-87 ZCuZn40Pb2

1

body

cast iron

DIN1691 GG25

GB9439-88 HT250

NO.

name of part

material

Germany standard

Chinese standard