Butterfly cushion valve with automatic opening and self-closing feature

Butterfly cushion valve is general machinery products. Domestic production of butterfly cushion valve, the main structure of the same type and applies only in the sealing temperature differ. Butterfly cushion valve with automatic opening and self-closing  2 way manifolds  automatic valves, pressure loss also has shortcomings, is a traditional blast furnace  Instrument valve manifolds  supporting devices. In this paper, the technological transformation of check valves, check valves shall be  Trunnion ball valve  a control system, not only did not change the check valve automatically opens, auto-off function, but also it has the energy-saving features, while improving the prevention and control of non-return valve BF axial fan surge and counter functions....