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Butt Welding Swing Check Valve

Nominal Diameter : 16 inch
Nominal Preesure : CLASS 600LB
Design Standard : BS1868
F/F standard : ASME B16.10
Connection type : Butt welding ends.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M etc.
Middle connection : Bolted Bonnet

Butt Welding check valve is a one-piece body that is welded at the end of the pipes. The end of the check valve must be beveled. This means that the valve and the pipes must have the same thickness. This type of check valve has excellent strength and is used to handle fatigue, corrosion, and severe temperatures. Because of its durability, a butt weld check valve is used in high-temperature and high-pressure pipelines.

◆ Material of Butt Welding Swing Check Valve CALSS600

Pos. Part Material
1 Body A216-WCB
2 Disc A216-WCB
3 Pin 17-4PH
4 Bonnet Gasket Graphite+SS
5 Bonnet A216-WCB
6 Bolt ASMT B193-B7
7 Nut ASMT B194-2H
8 Stem Packing Flexible Graphite
9 Bonnet Gasket Graphite+SS
10 NACE NACE MR 0175
11 Design and Manufacturing Standards BS1868

1.The swing check valve manufactured by ZHEJIANG ZHENGFENG VALVES. adopts the swing type structure with built-in rocker arm.

2.All the opening and closing parts of the valve are installed inside the valve body and do not penetrate the valve body, there is no external leakage point on the whole, so as to eliminate the possibility of valve leakage.

3.The connection of rocker arm and disc of swing check valve adopts spherical connection structure, which makes the valve disc have certain degree of freedom within 360 degree range and appropriate micro position compensation.

4.The main materials of swing check valve produced by our company include 304, 304L, 316, 316L, A105, WCB, Hastelloy, LC2, LC3, LCB, C4, 2205, 2507, c95800, etc.

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