Materials Of Parts
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Cast Steel Gate Valve Standard Materials of Parts

ITEM

PART NAME

CARBON STEEL

ALLOY STEEL

1

Body

A216 WCB

A352 LCB

A352 LCC

A217 WC1

A217 WC6

A217 C5

2

Seat Ring

A105

A350 LF2

A350 LF2

A182 F1

A182 F11

A182 F5

3

Disc

A216 WCB

A352 LCB

A352 LCC

A216 WC1

A216 WC6

A216 C5

4

Stem

A182 F6

A182 F304

A182 F304

A182 F6

A182 F6

A182 F6

5

Gasket

CL150-300

Soft Iron
+Graphite

304+Graphite

304+Graphite

316+Graphite

CL600-2500
Ring Joint

Soft Iron

304

304

316

6

Bonnet

A216 WCB

A352 LCB

A352 LCC

A216 WC1

A216 WC6

A217 C5

7

Bonnet Bolt Nuts

A194 2H

A194 4

A194 4

A194 2H

A194 4

A194 4

8

Bonnet Bolts

A193 B7

A193 L7

A193 L7

A193 B7

A193 B16

A193 B16

9

Backseat Bushing

A276 410

A276 304

A276 304

 

A276 410

10

Stem Packing

Braided Graphite &
Die formed Graphite Ring

Braided Graphite &
Die formed Graphite Ring

11

Eye Bolt Pins

Carbon Steel

A276 410

12

Gland Eye Bolts

A307 B

A193 L7

A307 L7

A193 B7

A193 B16

A193 B16

13

Gland

A276 410

A276 304

A276 304

A276 410

14

Gland Flange

A216 WCB

A352 LCB

A352 LCC

A216 WC1

A216 WC6

A217 C5

15

Eye Bolt Nuts

A194 2H

A194 4

A194 4

A194 2H

A194 4

A194 4

16

Grease Nipple

Carbon Steel

Carbon Steel

17

Stem Nut

A439 D-2

A439 D-2

18

Retaining Nut

Carbon Steel

Carbon Steel

19

Handwheel

Ductile Iron

Ductile Iron

20

Handwheel Nut

Carbon Steel

Carbon Steel

21

Screw

Carbon Steel

Carbon Steel

22

Yoke

A216 WCB

A352 LCB

A352 LCC

A216 WCB

A216 WCB

A217 C5

23

Yoke Pan Bolt Nuts

A194 2H

A194 4

A194 4

A194 2H

A194 4

A194 4

24

Yoke Pan Bolts

A193 B7

A193 L7

A193 L7

A193 B7

A193 B16

A193 B16

25

Bearing

Steel

Steel

26

Lantern Ring On Request

A276 410

A276 304

A276 304

A276 410

ITEM

PART NAME

STAINLESS STEEL

1

Body

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

A351 CF8C

2

Seat Ring

A182 F304

A182 F316

A182 F304L

A182 F316L

A182 F321

3

Disc

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

A351 CF8C

4

Stem

A182 F304

A182 F316

A182 F304L

A182 F316L

A182 F321

5

Gasket

CL150-300

316+Graphite

CL600-2500
Ring Joint

316

6

Bonnet

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

A351 CF8C

7

Bonnet Bolt Nuts

A194 8

8

Bonnet Bolts

A193 B8

9

Backseat Bushing

A276 304

A276 316

A276 304L

A276 316L

A276 321

10

Stem Packing

Braided Graphite & Die formed Graphite Ring

11

Eye Bolt Pins

Stainless Steel

12

Gland Eye Bolts

A193 B8

13

Gland

A276 304

A276 316

A276 304L

A276 316L

A276 321

14

Gland Flange

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

A351 CF8C

15

Eye Bolt Nuts

A194 8

A194 8

A194 8

A194 8

A194 8

16

Grease Nipple

Stainless Steel

17

Stem Nut

AL-Bronze

18

Retaining Nut

Carbon Steel

19

Handwheel

Ductile Iron

20

Handwheel Nut

Stainless Steel

21

Screw

Stainless Steel

22

Yoke

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

A351 CF8C

23

Yoke Pan Bolt Nuts

A194 8

24

Yoke Pan Bolts

A193 B8

25

Bearing

Steel

26

Lantern Ring On Request

A276 304

A276 316

A276 304L

A276 316L

A276 321

Note: Seating surface and trim materials see P2
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©2005 SUZHOU VIZA VALVE CO., LTD.   
Add:20D, King's Tower, 12 Shishan Road, Suzhou, China
Tel: 0086-512-67015219 Fax: 0086-512-68081920 Email: sales@vizavalve.com

 
 
 
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