Two torsion spring are used excerting on each of the pair valve plates, which close the plates quickly and automatically.

This valve is tightly sealed, without leakage under the pressure water test.

DN50-350                                                                                                                   

No.            Part                                                 Material                                                                               

1                Body                        CI; DI; Al-Bronze; SS ;Carbon steel                    

2              Spring                       SS

3                Stem                       Stainless steel                                                        

4                Seat                         Rubber                                                                     

5                Disc                         Plated DI; Al-Bronze; SS