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Slab Gate Valves

China slab gate valve
Category: Gate Valves
Product Line: Throught Conduit Gate Valves

 

 

 

 

 

Slab Gate Valve Features

• Cast and weld two structures with the body
• The seat ring uses the sealing face inlaid with PTFE, so as to feature dual seals of PTFE to metal and metal to metal.
• The valve with the metal to metal seal equiped with grease injector.
• Automatic removal of high pressure in the internal cavity when the valve is about to close so as to ensure safety.
• Fully sealed structure leaves a good protective property, suitable for the requirement of 24-hour duty.
• An indication rod or viewing window is set with the valve to show the open-close condition.

Slab Gate Valve Drawings

slab gate valve drawing

 

Slab Gate Valve Material List

No.

Part Name

Ordinary Type  (ASTM)

Anti-sulphurType  (ASTM)

1

Blown down Stopple

A276-420

A276-304

2

Grease injection joint

A105

A105

3

Body

A216-WCB

A216-WCB

4

Gate disc

A182-F6a

A182-F304

5

Seat

A105+ F4+NBR

A182 F304+F4+FPM

6

Stem

A276-410

A276-304

7

Lower Packing

F4

F4

8

Lantern ring

A276-420

A276-420

9

Upper Packing

F4

F4

10

Indicating Finger

A276-420

A276-420

11

Gasket

Graphite +S.S

Graphite +S.S

12

Bonnet

A216-WCB

A216-WCB

13

Stud

A193-B7

A193-B7

14

Nut

A194-2H

A194-2H

15

Yoke

A216-WCB

A216-WCB

16

Stem Nut

ZQAl9-4

ZQAl9-4

17

Stem Nut Retainer

25

25

18

Handwheel

QT400-17

QT400-17

19

Indicating Cover

25

25

 

Remarks:
1. Select different materials for different working temperature and media.
2. Trim materials and recommended service coverage referred to Appendix.

 

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