Jacket type pneumatic valve valve industry _ pneumatic components factory

Description of pneumatic pneumatic valve jacket type pneumatic valve: jacket type pneumatic valve is widely used in oil and gas pipeline, and oil refining, petrochemical, chemical, chemical fiber, metallurgy, electric power, nuclear power, food and paper and other devices. Remove the simple quick jacket type pneumatic valve in the pipeline, convenient maintenance; When on the pipeline valve failure needs to be repaired, don't need to remove the valve from the line, just pull down the flange bolts and nuts, the bonnet and stem assembly from the valve body together, and then remove the aerodynamic body and seat assembly, can online repair pneumatic body and seat. Jacket type pneumatic valve structure principle: jacket type structure principle of the pneumatic valve is made whole body, the upper is equipped with the valve cover, the aerodynamic body, sealing ring and valve seat are upper load from the valve body. Jacket type pneumatic valve repair and replacement is the advantage of the seat, don't need to pneumatic valve removed from the pipeline, only to open the cover, the aerodynamic body hanging out, this to the underground pipeline, especially atomic energy industrial pneumatic valve to bring great convenience. For more ventilation and tee, four-way valve, due to its aerodynamic body is bigger, into or out from any side of the channel is not convenient, and more ventilation action valve body lumen itself is very big, the jacket type is more superior than side mounted. Note: the jacket type pneumatic valve fault is body big volume, heavy weight, so generally does not apply to high-pressure situations. Jacket type pneumatic valve features: (1) jacket type pneumatic valve design is unique, novel structure, the valve structure, adopting the jacket structure pneumatic, seat, stem, cover for the jacket type, reliable safety, install and use the online maintenance as long as the open cover will reveal a pneumatic and seat, not the body is removed from the pipeline installation, and in the line of welded joint using superior performance is more obvious, the valve repair to save valuable time. (2) the seat with elastic compensation, after the frequent switch, the seat is under the condition of wear and tear, by the back of the spring pre-tightening force, automatic sealing compensation. (3) the valve seat and valve stem seal on the structure, the use of safety valve in the operation, and on the other hand, prolong the service life of the valve. (4) jacket type pneumatic valve has two-way sealing function, wear particles, high temperature resistant, corrosion resistance, prevent scarring, small operation torque, open and flexible, rapid opening and closing, for fire and explosion prevention. 5. According to the characteristics of the transmission medium, disc and seat sealing surface surfacing welding alloy, with special heat treatment and finish machining process, such as seal 55 HRC or higher surface hardness, able to bear high temperature 560 ℃, satisfy the corrosion resistance, grain abrasion resistance, resistance to erosion and high temperature resistance and other special requirements. 6 seats set out the steps to match the body structure, prevent aerodynamic body away from the seat happen jam or wait for a phenomenon. : Q947F/H electric cut off pneumatic valve PQ940H electric eccentric half pneumatic valve pneumatic piston cutting slag pneumatic valve pneumatic valve pneumatic lock