High-temperature ball valve features Overview: High-temperature ball valve features: seat ring is composed of soft T-ring on both sides of the multi-layer stainless steel sheet. High-temperature ball valve plate and seat sealing surface of the oblique cone structure, the cone oblique surface of the valve plate surfacing temperature, corrosion resistant alloy material; fixed between the adjusting ring plate spring pressure plate with adjusting screw assembly structure . This structure effectively compensates for the tolerance band between the sleeve and the valve body and the elastic deformation of the valve stem under the medium pressure and solves the sealing problem existing in the process of transporting the valve in the bidirectional interchangeable medium. High-temperature ball valve with soft T-shaped multi-layer stainless steel sheet on both sides of the seal ring, with a hard metal seal and soft seal dual advantages, both in low temperature and high temperature conditions, have zero leakage of sealing performance. Experiments show that pool positive flow state (medium flow direction and disk rotation in the same direction), the sealing surface pressure is the torque of the actuator and the medium pressure on the role of the valve plate. Positive media pressure increases when the valve plate oblique cone surface and seat sealing surface squeeze the more tight, the better the sealing effect. In the countercurrent condition, the seal between the valve plate and seat of the high temperature ball valve presses the valve plate against the valve seat due to the moment of the drive. As the pressure of the reverse medium increases, the positive pressure between the valve plate and the valve seat is less than the pressure of the medium. The deformation stored by the spring of the adjusting ring after the load is absorbed can compensate for the tight pressure on the sealing surface of the valve plate and the valve seat Play a role in automatic compensation. Therefore, unlike the prior art, the utility model has the advantages that the soft and hard multi-layer sealing ring is mounted on the valve plate and is directly mounted on the valve body, and an adjusting ring is provided between the pressing plate and the valve seat which is a perfect bidirectional hard sealing method . It will replace gate valves and ball valves.
Stamping And Welding Part,Metal Fabrication Steel Part,Fabrication Steel Part,Steel Rectangular Tubing
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