250lb

suitable medium

water,oil, steam

test pressure

shell

6.03MPa

sealed

3.45MPa

test time

size

seat test

shell test

2″-8″

30S

30S

10″-18″

60S

60S

work pressure

-29-65°c

3.45MPa

232°c

1.72MPa

SIZE

L

D

D1

D2

B

n-d

D0

H

2

215.9

165

127

106

22.2

8-19

175

325

21/2

241.3

191

149

125

25.4

8-22.2

200

362

3

282.5

210

168

144

28.6

8-22.2

254

406

4

304.8

254

200

176

31.8

8-22.2

300

493

5

381

279

235

211

34.9

8-22.2

300

579

6

403.2

318

270

246

36.5

12-22.2

348

644

8

419.1

381

330

303

41.3

12-25

400

795

10

457

445

387

357.5

47.6

16-29

457

935

12

502

521

451

418

50.8

16-32

457

1059

22

handwheel nut

steel

Steel

GB700-88 Q235

21

Identification Plate

aluminum

Aluminum

YB604-66 LY12

20

handwheel

cast iron

ASTM A 126-B

GB9439-88 HT200

19

yoke bushing nut

cast iron

ASTM A 126-B

GB9439-88 HT200

18

screw

steel

Steel

GB700-88 Q235

17

stem nut

cast brass

Mn-Brass

GB1176-87 ZCuZn38Mn2Pb2

16

yoke

cast iron

ASTM A 126-B

GB9439-88 HT200

15

nut

steel

Steel

GB700-88 Q235

14

bolt

steel

Steel

GB700-88 Q235

13

nut

steel

Steel

GB700-88 Q235

12

bolt

steel

Steel

GB700-88 Q235

11

gland follower

ductile iron

ASTM A 536 65-45-12

GB1348-88 QT450-10

10

packing

graphite

Non-Asbestos

GB3518-83 LC35-999

9

bonnet

cast iron

ASTM A 126-B

GB9439-88 HT200

8

nut

steel

ASTM A 563 B

GB700-88 Q235

7

bolt

steel

SAE J429 Gr5

GB700-88 Q235

6

gasket

graphite

Non-Asbestos

GB3518-83 LC35-999

5

stem

brass

ASTM B 16

YB146-71 HPb59-1

4

wedge

cast iron

ASTM A 126-B

GB9439-88 HT200

3

wedge seat ring

cast bronze

ASTM B 62

GB1176-87 ZCuSn5Pb5Zn5

2

body seat ring

cast bronze

ASTM B 62

GB1176-87 ZCuSn5Pb5Zn5

1

body

cast iron

ASTM A 126-B

GB9439-88 HT200

NO.

Name of part

Material

American standard

Chinese standard