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

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

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
No.	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

Butterfly Check Valve

Industrial valve,check valve,wafer valve,lift valve

1. Short face to face dimension, only 1/4-1/8 of the conventional flange check valves.

2. Quick action, excellent sealing performance, long life time, high reliable quality.

3. It can be installed horizontally or vertically and easy installation.

4. Short disc path for quick open/close, min water hammer, low impact force when closing the valve.

5. Small volume, light weight, simple structure, and good appearance.

Technical Specification
Design Standard:	API 609
Body material:	ASTM A216 WCB WCC; ASTM A217 WC1 WC6 WC9; ASTM A351 CF8,A351 CF8M, A351 CF3,A351 CF3M,A351 CN7M; ASTM A352 LC1 LCB LCC LC3(Cast Steel, Alloy Steel, Stainless Steel, Special Steel)
Nominal Pressure	Class 150~2500
Nominal Diameter:	2"~24"
End Connection:	RF, FF, M, F, TG, RG
Face To Face:	API 609
Working Temperature:	-29℃~+200℃
Test And Inspection:	API 598/ISO 5208
End flange dimension:	ASME B16.5,ASME B16.47(API 605 ,MSS SP44)
Butt weld end dimension:	ASME B16.25(BW)
NACE:	NACE 0175
Certificate:	ISO9001, ISO14001, ISO28001, TS, CE,TUV

If you are interested in our products, please click on the following PDF file name to open the Ctrl+S or the right mouse button to save your equipment

Catalogue: DBV Check&Bellow Valve

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Butterfly type Check Valve

Product description:

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