GB Swing PVC Check Valve:
1.Applicable Medium: air,water,steam,oil;
2.Any horizontal or vertical pipe installed

GB  Swing PVC Check Valve :

  • A variety of seat structures

      Threaded seat, welded seat, valve seat surfacing.


  • A variety of rocker pin mounting structure

1.  Packed with the rocker


 The rocker structure installed inside, all of the opening and closing of the valve installed in a body internal, don't penetrate body, in addition to the flange part, gasket or sealing ring used, the whole  parts have no outer outside, eliminating the possibilities of valve setting's leakage.


2. External wear shaft type


  The use of  external wear shaft type,  the valve pin shaft through the body,  pin shaft support stability, which contributes to accurate return of the disc. The relative position of  gasket won't move  due to long-time impact,  improving sealing effectiveness and limitation.

 3.pressure seal pin shaft

This seal, the more pressure ,the better of seal performance.


  • Materials of main parts:
NOParts nameMaterial                   
3disc WCB+13Cr
4 rocker WCB
5 hinge pin 2Cr13
6 gaskets oCr18Ni9+flexible graphite
7 screws  oCr18Ni9
8 bonnet WCB
9 Rings screws 25
10 studs 35CrMoA
11 nut 35
12 Disc nut 2Cr13
13 gasket  2Cr13
  • Design Standard:

1.Design manufacture according to GB/T 12236;

2.Face to face according to GB/T 12221;

3.End flange dimension acccording to GB/T 9113.1~GB/T 9113.4;

4.Valve check and test according to JB/T 9092.

  • Other Choice:

main materials: CF8,CF8M,CF3,CF3M,WC6,WC9,etc.

 sealing surface:13Cr/STL,STL/STL,etc.


More detailed product  information please contact with us!









FOB Price:
Minimum Order: 5 Set/Sets
Port: Qingdao/Shanghai/Tianjin/Ningbo port
Payment Terms: L/C,T/T

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