Hard seal ball applicable occasions of pneumatic valve

pneumatic valve for eccentric metal hard seal ball sealing structure and sealing for the metal to metal seal, can exchange the metal sealing ring to metal seal, stainless steel plate and graphite composite plate sealing ring to metal seal. Hard seal butterfly drive form in addition to the electric and pneumatic valve: manual, worm gear drive, pneumatic, etc. The pneumatic valve average installation.
hard seal ball pneumatic valve butterfly plate installed on the diameter of the pipe direction. In hard seal cylindrical channels of pneumatic valve pneumatic ball valve body and disc butterfly plate around the axis of rotation, rotation Angle for ° ~ °, rotate to °, the pneumatic valve is fully open. New high life stainless steel butterfly the characteristics of the pneumatic valve and butterfly pneumatic valve in use process problems at present, hard seal ball pneumatic valve hard seal butterfly valve, as a kind of used to realize on-off and flow control components, piping system in petroleum, chemical industry, metallurgy, water and electricity is widely used in many fields such as extremely. In had known the pneumatic butterfly valve, the sealing structure is used in its seal form sealing materials for rubber, ptfe, etc. Because of the limitation of structural features is not adapt to the high temperature, high pressure and corrosion resistance, wear resistance, etc.
existing a more advanced control pneumatic valve is triple eccentric metal hard seal butterfly valve, pneumatic valve body and seat for the Siamese components, pneumatic valve seat sealing surface layer welding temperature resistant and corrosion resistant alloy material. Multilayer soft fold type sealing ring on the pneumatic valve plate, the butterfly pneumatic valve compared with the traditional butterfly pneumatic valve with high temperature resistant, convenient operation, opening and closing without friction, closed as the actuator torque increases to compensate for sealing, improve the regulating pneumatic valve sealing performance and prolong the service life of the advantages.