FLANGE END BALL VALVES

CAST STEEL VALVES

Figure numbering system

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No

Nomenclature

Cast steel

Stainless steel

Remark

1

Body

A352-LCC/NACE

A351-CF8M

 

2

Cap

A352-LCC/NACE

A351-CF8M

 

3

Ball

A351-CF8M

 

4

Seat Ring

A351-CF8M

 

5

Stem

A276-316

 

6

Packing

Grafoil

 

7

Lantern Ring

A276-316

 

8

Gland

A576-1045

A276-304

 

9

Gland Bolt

A307-Gr.B

A193-B8

 

10

Bracket

Carbon steel

 

11

Gsket (Sprial Wound)

Graphite 15%

 

13

Stud Bolt

A350-L7M

A193-B8M

 

14

Nut

A194-7M

A194-8M

 

15

O-Ring

HSN 

 

16

O-Ring

HSN 

 

17

O-Ring

HSN 

 

18

Anti-static Device

316SS 

 

19

O-Ring

Graphite 15%  

 

20

Lower Stem

A276-316

 

21

Lower Cover

A576-1045

A351-CF8

 

22

Lower Cover Bolt /Nut

A350-L7M/7M

A193-B8M/8M

 

23

Gasket

Graphite 15%  

 

24

Thrust Washer

Graphite 15%  

 

25

Retainer

A276-316 or A351-CF8M 

 

26

Coil Spring

Inconel X-750 

 

30

Lower Stem Bushing

Graphite 15%  

 

31

Lower Gasket

Graphite 15%  

 

32

Gear Box(Worm Gear)

Ductile iron  

 

33

Retainer Seal

Grafoil 

 

34

Stem sealant Fitting

A350-LF2

Stainless steel

 

35

Seat sealant Fitting

A350-LF2

Stainless steel

 

36

Body Bleed Fitting

A350-LF2

Stainless steel

 

37

Lower Plug

A350-LF2

Stainless steel