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Swing type Check Valve
Swing type Check Valve
Swing type Check Valve

Swing type Check Valve

Nominal Diameter : 2‘’~24‘’
Nominal Preesure : CLASS 150LB~300LB
Design Standard : BS1868
Inspection and test : API598
Connection type : Flanged、BW ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M etc.
Opeartion type : Bolted Bonnet

◆ Material Of Swing type Check Valve

Pos. Part Material
1 Body A351-CF8
2 Disc A351-CF8
3 Pin SS304
4 Bonnet Gasket Graphite+SS304
5 Bonnet CF8
6 Bolt ASMT B193-B8
7 Nut ASMT B194-8
8 Stem Packing Flexible Graphite
9 Gland ASMT SS.304
10 Stem Nut B194-8
11 Rings 35#

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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