1. A pair of sealing pairs between ball valve and seat will not cause abrasion, abrasion and other faults, and will not be stuck in operation (without lubricant), so it can be reliably applied in corrosive media and low boiling point liquids.
2. The built-in valve stem structure eliminates the hidden danger that the valve stem may fly out due to the loosening of the packing cover under the action of fluid pressure.
3. Valve sphere with anti-static and fire-resistant structure is suitable for pipelines conveying petroleum, natural gas and gas.
4. The smooth passage in the valve body is more suitable for conveying viscous fluid, slurry and solid particles.
5. It can be used reliably in corrosive media and low boiling point liquids because it can not be stuck at work (in the absence of lubricants).
6. The spherical closure can be positioned automatically and can withstand the high pressure difference when closing.
7. Complete bidirectional sealing can be achieved in a wide range of pressure and temperature.
8. When fully open and fully closed, the sealing surface of the sphere and seat is isolated from the medium, so the medium passing through the valve at high speed will not cause the erosion of the sealing surface.
9. Compact structure and light weight, it can be considered as the most reasonable valve structure for cryogenic medium system.
10. The valve body is symmetrical, especially when welded, and can withstand the stress from the pipeline well.