Big size Swing Check Valve Class 300 - Check Valves

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Big size Swing Check Valve Class 300
  • Big size Swing Check Valve Class 300
  • Big size Swing Check Valve Class 300
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Big size Swing Check Valve Class 300

  • Product description:

    The swing check valves are used as check valves for oil & gas, petrochemical, power, offshore and other d...

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 Carbon steel Swing Check Valve 

Type: H44H/Y

Size:2"-48"

Pressure Range:Class 150∽Class 1500 

Working Temp.:≤425°

Material:Carbon steel,Stainless steel,Alloy steel,special material,chromium molybdenum steel,etc.

Medium:Water,Oil,Gas etc.

Operation: Manual Pneumatic Electric


Applicable standards


Steel Check valves, API 6D/BS1868                            

Steel gate valves, ISO 14313                    

Steel valves, ASME B16.34                                             

Face to face, ASME B16.10                                           

End flanges, ASME B16.5                                                      

Butt welding ends, ASME B16.25                                  

Inspection and test, API 598                                       


Design Features


BB, Bolted bonnet cap

Swing type,Anti-rotation disc

Renewable seat rings

Non-penetrate disc shaft

Horizontal or vertical service

Flanged or Butt welding ends

Swing Check valve

Material of parts:


 

No.

ASTM Material

Part Name

Carbon steel

11/4 Cr-11/2 Mo

Low-term. Steel

Stainless steel

1

Body

A216-WCB

A217-WC6

A352-LCB

ASTM A351 CF8M

2

Bonnet Cap

A216-WCB

A217-WC6

A352-LCB

ASTM A351 CF8M

3

Disc

A105+13Cr

A182-F11+HF

A350-LF2+13Cr

A351-CF8M+STL

4

Hinge

A216-WCB

A217-WC6

A352-LCB

A182-F316

5

Support

A216-WCB

A217-WC6

A352-LCB

     A182-F316+13Cr

6

Seat Ring

A105+13Cr

A182-F11+HF

A276-410

A182-F316

7

Hinge Pin

A276-420

A276-304

A350-LF2+13Cr

 

8

Disc Washer

Carbon steel

A276-304

Carbon steel

Stainless steel

9

Disc Nut

Carbon steel

A194-7

Carbon steel

Stainless steel

10

Disc Nut Pin

Carbon steel

A276-420

Carbon steel

Stainless steel

11

Bonnet Gasket

Spiral Wound(Graphite+304/316)

12

Bonnet Stud

A193-B7

A193-B16

A320-L7

A193-B8M

13

Bonnet Stud Nut

A194-2H

A194-7

A194-4

A194-8M

14

Eyeblot

Carbon steel/Stainless steel

 


Note: 1)  We can produce special material according to client's requirements

          2)  Disc and seat ring may either be solid facing material or a base material equal or better than the body/bonnet material with facing as shown.