Stainless steel ball valves have a floating Industrial Valves seat, the medium pressure, mobile seat, make the seal compression on the ball, to ensure the seal. Usually mounted on the upper and lower shaft with ball bearing, the operating torque is small, suitable for high pressure and large diameter of the valve. To reduce the number of ball valve operating torque and increase the reliability of the sealing, both betting special lubricant between the sealing surface, in order to form a layer of oil film, which increases the sealing, and reduce operating torque. The advantages of stainless steel ball valve: 1. Fluid resistance is small, its resistance coefficient with section of equal length. 2. Simple structure, small volume, light weight. 3. Compact and reliable, the widespread use of plastic ball valve sealing surface of materials, good sealing, also has been widely used in the vacuum system. 4. Easy to operate, open and close quickly, from open to close just rotate 90 °, is advantageous for the remote control. 5. Convenient maintenance, simple structure of ball valve, sealing ring, which generally remove replacement is more convenient. 6. In full open or full close, sphere and valve seat sealing surface and the dielectric isolation, medium through, does not cause the valve sealing surface erosion. 7. Applicability is wide and size from small to several millimeters, big to a few meters, from high vacuum to high pressure can be applied. Ball Industrial Valves has been widely used in petroleum, chemical, power, papermaking, atomic energy, aviation, rockets and other departments, as well as People's Daily life.
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