the valve seat seal regardless of the direction in which have a good sealing effect

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single-seat the bidirectional sealing performance. In the low temperature conditions, pneumatic cylinders the traditional metal hard seal ball is able to release the valve chamber in the media have taken a comp lex automatic pressure relief agency or adoption openings. The former increases the complexity of the seat, and the latter because the opening leaving ball having directionality. Range Top Burner Valve The triple eccentric ball valve with a single seat, so there is no pressure release valve chamber. Three eccentric structure, so that the valve seat seal regardless of the direction in which have a good sealing effect, i.e. with full two-way sealing function. hydraulic fittings suppliers