Butterfly type Check Valve - Check Valves

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Butterfly type Check Valve

  • Product description:

    Check valve is characterized by quick open and close, and wonderful sealing performance.

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 Butterfly type Check Valve 

Type: H76H/X 

Size:2"-48"

Pressure Range:Class 150∽Class 900

Working Temp.:≤200°

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

Medium:Water Steam Oil Gas

Operation: Manual Pneumatic Electric


Applicable standards


Steel check valve, API 594/API 6D                              

Steel check valves, ISO 14313                    

Steel valves, ASME B16.34                                             

Face to face, ASME B16.10                                           

End flanges, ASME B16.5                                                      

Inspection and test, API 598                                         


Design Features


One piece body

Butterfly swing type

Dual-plate disc,long-pattern

Renewable split disc

Hotizontal or vertical service

Wafer ends (Available with flanged ends)

Dual-plate 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

Plate

A216-WCB+13Cr

A217-WC6+HF

A352-LCB+13Cr

ASTM A351 CF8M+HF

3

Stop Pin

A276-420

A276-304

A276-420

A276-304

4

Back Spring

SS304

SS304

SS304

SS316

5

Hinge Pin

A276-420

A276-304

A276-420

A276-316

6

Eyebolt

Carbon steel/Stainless steel