Cast Steel Swing Check valve

Cast Steel Swing Check valve

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Key Specifications / Features

Swing Type Disc

Welded Seat/Threaded Seat

Conventional port or full port

Bolted Cover/Pressure Seal Check Valve

6" & Larger With Eye Bolt

By Pass On Request

Lever & Weight Optional

 

Standard

Design - BS1868/API 6D/ASME B16.34

Face to Face - ASME B16.10

End to End - ASME B16.10

BW End - ASME B16.25

Test - API 598

Special - NACE MR-01-75

 

Cast Steel Swing Check Valves Drawings

Cast steel swing check valve drawing

Design Features

A. Large-caliber check valves are provided with lifting rings for the convenience of hoisting.

B. Bolted bonnet, and the type of middle flange gasket may be class; CLASS 600 check valve may adopt pressure self-tightening seal structure.     

C. Disc stop device to prevent disc from being opened too high, thus causing failure to be closed down.     

D. Solid pin is precisely installed and provided with high inten-sity to ensure operational performance and service life of valve.

E. Rocker arm is given enough intensity. Upon being closed down, it has enough freedom for the closedown of valve disc.

F. Valve disc is given enough intensity and rigidity. Disc sealing surface may be built-up welded with metal material or inlaid with nonmental material responding to users' requests.

Material List 

No.

Part Name

Carbon Steel

Stainless Steel

Low Temperature 
Steel

1

Body

ASTM A216 GR WCB

ASTM A351 GR CF8

ASTM A352 GR LCB

2

Seat

ASTM A105

ASTM A105

ASTM A182 GR F304

3

Disc

ASTM A216 GR WCB

ASTM A351 GR CF8

ASTM A352 GR LCB

4

Arm

ASTM A216 GR WCB

ASTM A351 GR CF8

ASTM A352 GR LCB

5

Pin

ASTM A182 GR F6a

ASTM A276 TYPE 304

ASTM A182 GR F304

6

Hinge

ASTM A216 GR WCB

ASTM A351 GR CF8

ASTM A352 GR LCB

7

Gasket

Ss304

Ss304

Ss304

8

Bonnet

ASTM A216 GR WCB

ASTM A351 GR CF8

ASTM A352 GR LCB

9

Stud

ASTM A193 GR B7

ASTM A194 GR B8

ASTM A194 GR B8

10

Nut

ASTM A194 GR 2H

ASTM A193 GR 8

ASTM A193 GR 8

 

 

Range of  Cast Steel Swing Check Valves

Body Material (Cast Steel )

- WCB, WC6, LCB, CF8, CF8M, CF3, CF3M, CF8C

Trim Material - API 600 Trim number 1 to 17

End Connection - Flange/BW

Pressrue Rating - Class 150, 300, 600, 900, 1500

Size - 2"-56"

 

Dimension & Weight

Cast Steel Swing Check Valves Class 150

Cast Steel Swing Check Valves Class 300

Cast Steel Swing Check Valves Class 600

Cast Steel Swing Check Valves Class 900

Cast Steel Swing Check Valves Class 1500

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