The main advantages and classification of fluorine-lined butterfly valves The main advantages of fluorine-lined butterfly valves are simple in structure, small in size, light in weight, and low in cost. The valve control is easy to operate, and the flow medium can also be adjusted. The fluid resistance is small, the effective flow area of u200bu200bthe medium and large-diameter pneumatic butterfly valves is large when they are fully opened, and the opening and closing is quick and labor-saving. Since the medium force of the disc wrench on both sides of the rotating shaft is nearly equal, the torque generated is opposite, so the opening and closing torque is small, and a good seal can be achieved under low pressure. , lined with tetrafluoroethylene, so the sealing performance is good. The hard sealing butterfly valve is a soft and hard laminated metal sheet, which has the advantages of metal hard sealing and elastic sealing, and has excellent sealing performance at low temperature. With the application of chemical-resistant synthetic rubber on butterfly valves, full-lined fluorine butterfly valves, due to the strong corrosion resistance of polytetrafluoroethylene (PTFE), stable performance, not easy to age, low friction coefficient, easy to form, dimensionally stable, and also By filling and adding appropriate materials to improve its comprehensive performance, a metal hard-sealed butterfly valve with better strength and lower friction coefficient can be obtained. Therefore, the polymer materials represented by polytetrafluoroethylene and its filling and modified materials have been widely used in the butterfly valve of the rear defense line, so that the performance of the butterfly valve has been further improved, and the temperature and pressure ranges have increased. A full-lined fluorine butterfly valve with wide sealing performance and longer service life. Fluorine lined valve classification: Fluorine lined valve is divided into: pipe pinch valve, lined diaphragm valve, lined pneumatic butterfly valve lined ball valve, lined check valve
, lined fluorine globe valve, lined plug valve, lined wedge gate valve, diaphragm valve, butterfly valve, ball valve , swing type, ball core check valve, pneumatic rubber-lined, fluorine-lined plastic diaphragm valve (normally closed), DC rubber-lined diaphragm valve, packing type adjustable fluorine-lined plastic butterfly valve, fluorine-lined plastic globe valve, etc.
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