av在线免费看一区二区,五十路熟妇高熟无码视频,综合图区亚洲另类偷窥,亚洲国产日韩欧美熟妇在线

Our high-pressure gas-sealing performance of the well control equipment meets the relevant standards and is at the industry's leading level. Sealing high-pressure gas is different from sealing water, which puts higher demands on the sealing structure, sealing materials, surface roughness of metal sealing surfaces, and their corrosion resistance performance.
We provide customers with targeted solutions for special high-pressure gas sealing. Our high-pressure gas-sealing wellhead control equipment, such as the blowout preventer and manifold, has the following features:
Advanced sealing structure to achieve high-pressure gas sealing without excessively large side door bolts to tighten torque, ensuring stable and reliable sealing performance;
Key sealing materials such as the rubber core, side door seal, and gate shaft seal made of special rubber for gas sealing under high pressure;
Key sealing parts treated with special processes or clad with corrosion-resistant materials with excellent corrosion resistance performance;
Key sealing parts processed with advanced machining techniques with high surface finish and stable high-pressure gas sealing performance.