125lb

suitable medium

water,oil,steam

test pressure

shell

2.41MPa

seat

1.38MPa

test time

规格

seat

shell

2″-8″

30S

30S

10″-12″

60S

60S

work pressure

规格

2″-12″

-29-65°c

1.38MPa

232°c

0.86MPa

SIZE

L

D

D1

B

n-d

Do

2

203

152

120.5

15.9

4-19

178

21/2

216

178

139.5

17.5

4-19

178

3

241

190

152.5

19.1

4-19

200

4

292

229

190.5

23.9

8-19

254

5

330

254

216

23.9

8-22

300

6

356

279

241.5

25.4

8-22

300

8

495

343

298.5

28.6

8-22

348

10

622

406

362

30.2

12-25

400

12

698.5

483

432

31.8

12-25

457

18

nut

steel

ASTM A 563-B

GB700-88 Q235

17

washer

steel

Steel

GB700-88 Q235

16

handwheel

cast iron

STM A 126-B

GB9439-88 HT200

15

stem nut

cast brass

Mn-Brass

GB1176-87 ZCuZn38Mn2Pb2

14

bolt

steel

steel

GB700-88 Q235

13

nut

steel

steel

GB700-88 Q235

12

packing gland

ductile iron

ASTM A536 65-45-12

GB1348 QT450-10

11

bonnet

cast iron

ASTM A 126-B

GB9439-88 HT200

10

packing

graphite

Non-Asbestos

GB3518-83 LC35-999

9

bolt

steel

ASTM A 307-B

GB700-88 Q235

8

gasket

graphite

Non-Asbestos

GB3518-83 LC35-999

7

stem

brass

ASTM B 16

YB146-71 HPb59-1

6

disc nut

cast brass

Mn-Brass

GB1176-87 ZCuZn38Mn2Pb2

5

washer

stainless steel

ASTM 304

GB1220-92 OCr18Ni9

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

Material

American standard

Chinese standard