1, the body structure and welding, there would be no external leakage phenomenon. 2, seat consist of PTFE sealing ring and spring adaptable to changes in pressure and temperature, within the scope of use does not produce any leakage. 3, the Industrial Valves stem leakage structure, there is one at the bottom of the Industrial Valves stem PTFE valve seal and 1 type O sealing ring, which has two type O sealing ring, two of PTFE gasket, ensure no leakage. 4, the valve body material is the same as the pipe material, there will be no stress not divide evenly, also won't because of the earthquake and the vehicle through the ground and sometimes extrusion deformation. 5, light body and easy to heat preservation. 6, buried type ball valve can be directly buried underground, need not build tall valve well, only need to set up small shallow Wells on the ground, greatly reduce the construction cost and project time. 7, can be adjusted according to the requirements of the pipeline construction and design of the length of the body and stem height. 8, the machining accuracy sphere very precision, convenient operation without adverse interference. 9, have both welding and flange connection. 10, mode of operation: handles, gear ( Vertical/horizontal) 11、在阀门正常操作使用的情况下，质保期20年。
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