1.0MPa

Test pressure

shell

1.5MPa

seat

1.1MPa

suitable medium

water,oil,steam

DN

L

D

D1

D2

B

f

n-d

Do

H

40

140

150

110

84

18

3

4-19

160

271

50

150

165

125

99

20

3

4-19

160

291

65

170

185

145

118

20

3

4-19

160

321

80

180

200

160

132

22

3

8-19

160

360

100

190

220

180

156

24

3

8-19

200

378

125

200

250

210

184

26

3

8-19

250

451

150

210

285

240

211

26

3

8-23

250

489

200

230

340

295

266

26

3

8-23

250

573

250

250

395

350

319

28

3

12-23

320

708

300

270

445

400

370

28

4

12-23

320

764

350

290

505

460

429

30

4

16-23

400

870

400

310

565

515

480

32

4

16-28

400

940

19

nut

steel

BS970 43A

GB700-88 Q235

18

washer

steel

BS970 43A

GB700-88 Q235

17

handwheel

cast iron

BS1452 Gr.180

GB9439-88 HT200

16

nut

steel

BS970 43A

GB700-88 Q235

15

gland follower

cast iron

BS1452 Gr.180

GB9439-88 HT200

14

packing

graphite

GB3518-83 LC35-999

13

stuffing box

cast iron

BS1452 Gr.180

GB9439-88 HT200

12

gasket

graphite

GB3518-83 LC35-999

11

T-bolt

steel

BS970 43A

GB700-88 Q235

10

bonnet

cast iron

BS1452 Gr.180

GB9439-88 HT200

9

gasket

graphite

GB3518-83 LC35-999

8

nut

steel

BS970 43A

GB700-88 Q235

7

bolt

steel

BS970 43A

GB700-88 Q235

6

stem

brass

BS2874 CZ122

YB146-71 HPb59-1

5

stem nut

cast brass

BS1400 PCB1

GB1176-87 ZCuZn38Mn2Pb2

4

wedge

cast iron

BS1452 Gr.180

GB9439-88 HT200

3

wedge seat ring

cast bronze

BS1400 LG2

GB1176-87 ZCuSn5Pb5Zn5

2

body seat ring

cast bronze

BS1400 LG2

GB1176-87 ZCuSn5Pb5Zn5

1

body

cast iron

BS1452 Gr.180

GB9439-88 HT200

NO.

Name of part

Material

British Standard

Chinese Standard