250lb

Suitable medium

Weater Steam Oil

shell

6.03MPa

seat

3.45MPa

test time

2″-8″

30S

-29-65°c

3.45MPa

232°c

1.72MPa

Size

DN

L

D

D1

D2

B

n-d

50

51

267

165

127

106

22.2

8-19

65

65

292

191

149

125

25.4

8-22.2

80

80

318

210

168

144

28.6

8-22.2

100

102

356

254

200

176

31.8

8-22.2

125

127

400

279

235

211

34.9

8-22.2

150

152

444

318

270

246

36.5

12-22.2

200

203

533

381

330

303

41.3

12-25

250

254

622

445

387

357.5

47.6

16-29

300

305

711

521

451

418

50.8

16-32

18

Pin

stainless steel

ASTM 304

GB1220-92 1Cr18Ni9

17

Identification Plate

aluminum

Aluminum

YB604-66 LY12

16

Nut

steel

ASTM A 563-B

GB700-88 Q235

15

Bolt

steel

ASTM A 307-B

GB700-88 Q235

14

Gasket

graphite

Non-Asbestos

graphite

13

Bonnet

cast iron

ASTM A 126-B

GB9439-88 HT200

12

Hanger Pin

stainless steel

ASTM 304

GB1220-92 1Cr18Ni9

11

Gasket

teflon

TEFLON

10

Side Pin

brass

ASTM B 16

YB146-71 HPb59-1

9

Disc Screw

steel

Steel

GB700-88 Q235

8

Split Pin

stainless steel

ASTM 304

GB1220-92 1Cr18Ni9

7

Nut

steel

Steel

GB700-88 Q235

6

Washer

steel

Steel

GB700-88 Q235

5

Hanger

ductile iron

ASTM A 536 65-45-12

GB1348 QT450-10

4

Disc

cast iron

ASTM A 126-B

GB9439-88 HT200

3

Disc 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

Materal

American standard

Chinese standard