1, wafer type worm gear transmission's soft sealed butterfly's valve adopts a pair of partial structure, is it imprison urgent sealed function, the sealing property is reliable.

2, seal pair materials of stainless steel and oil Ding Jingnai rubber match, the service life is long.

Rubber sealing ring for 3, located on the valve body, or on a disc, applicable to different characteristics of the medium for users to choose.

4, butterfly's Board adopts the frame structure, the intensity is high, flow area, small flow resistance.