Hydraulic butterfly valve improved method

Changed to the spindle by a bold axis through the center of the disc, high structural strength, positioning accuracy, good sealing performance, improve the reliability, the failure rate is reduced by more than 70% year-on-year. Thus play a strong guarantee for the safe production.solenoid valve actuator
Selection to improve quality
In order to meet today's intensive production conditions, wind erosion force and low quality coal gasification and downstream temperature. Extend the service life of the hydraulic valve, to improve the level of continuous long-term operation. The need to improve the quality of the main components of the hydraulic valve material. Improve crack, wear ability.
Currently, the supporting buffer-type hydraulic cylinder hydraulic valve has been applied in some manufacturers. Buffer cylinder in place when the valve is nearly closed, suddenly slows down the spit extending speed of the piston rod, so that the valve plate and the valve port to reduce the impact, thereby slowing the wear of the sealing surface. But also to reduce the impact force of the coupling member of the crosshead, thereby reducing the failure rate to extend the use of cycles.3 way air valve
In addition, the hydraulic cylinder seal packing large improvements, the PTFE packing service life than the original packing increased several times, Also in toward extend the life cycle, reducing the failure rate direction.
The two improvements high value, faster promotion, the future will be developed into a wide range of applications. Body part of the original basic ordinary cast iron HT-Zo changed to H 250 heat-resistant cast iron will be able to meet their needs. Part of the plant will be critical parts such as dust before the position of the upstream valve, the heat recovery valve, the valve plate, the valve ring, the stem changed to stainless steel. More extended service life, it is very useful. The general location of the base plate valve seals will be able to meet the needs of ductile iron, it is not appropriate to use ordinary iron castings.shut off solenoid valve