Bellows seal gate valve

No. 

Part name 

CS to　ASTM

AS to ASTM

SS to ASTM

TypeAl05

TypeA182 F22

Type A182 f304(L)

Type A182 F316(L)

l

Body

A105

A182 F22

A182 F304(L)

A182 F316(L)

2

Seat

A276 420

A276 304

A276 3040

A276 316(L)

3

Wedge 

A276 420

A276 304

A276 304(L)

A276 316(L)

4

Stem

A182 F6a

A182 F304

A182 304(L) A182 F316(L)

5

Bellows 

304

304(L)

316(L)

6

Bonnet 

A105N

A182 F22

A182 F304fLl

A182 F316(L)

7

Packing 

Flexible graphite 

A276 304

8

Bolt/nut

A193 B8／A194 2H A193 B8／A194 4

A193 B8/A194 B A193 V8/A194 8M

9

Packing bushing 

A276 420

A182 F304

10

Packing plate

A105N

A182 F304

1l

Yoke nut

A276 420

12

Handwheel

A197

13

Extension sleeve 

A105 A182 F22 Al 82 F304(L) A182 F316(L)

14

Top plate

A182 F304 A182 F304 A182 F304(L) Al 82 F316(L)

15

Bottom plate

A182 F304 A182 F304

A1 82 F304(L)

A182 F316(L)

16

Screw 

A276 420

A182 F304

17

Lock nut

A194 2H

A194 4

A194 8

A194 8M

Suitable Medium

water, steam,oil,etc 

water,steam,oil,etc

nitric acid, acetic acid,etc   

Suitable Temp.

-29℃～425℃

-29℃～550℃

-29℃～180℃

NPS

reduced port 

3/8

1/2″

3/4″

1

1 1/4″

1 1/2″

2

full port

3/8

1/2″

3/4

1

1 1/4″

1 1/2″

L

79

79

92

111

120

152

172

H(0PEN)

220

220

225

244

321

321

347

W

100

100

100

125

160

160

180

Weight 

bolt bonnet

3.2

3.0

4.8

7.9

11.0

16.8

25.2

welded bonnet

3.0

2.8

4.8

7.0

9.6

13.5

20.25