linear bearings

Pneumatic valve sealing surface of materials

by:AIRWOLF     2020-05-17
Wuxi east technology co. , LTD. Is a collection of the control valve industry manufacturing, development, production, assembly, sales and service in the integration of science and technology enterprises, professional research and development of electric valve, pneumatic valves, hydraulic valves, pneumatic actuators and various kinds of complete sets of pneumatic valve. Our company produce all kinds of pneumatic ball valves, butterfly valves, plug valves, regulating valve, gate valve, globe valve, flat gate valve and pneumatic device or valve products. My company consistently committed to relying on scientific and technological innovation, continuous application of new technologies, new processes, new techniques, new materials to develop high quality new products, over the years for the natural gas, petroleum, chemical fertilizer, metallurgy, mining, electric power, papermaking, printing and dyeing, pharmaceutical, food, food, water supply and drainage, air treatment and heating and other industries to provide a variety of gas and hydraulic devices supporting the valve. Pneumatic valve (1) have different categories, different sealing methods and material requirements; (2) normal wedge gate valve, the material of copper ring, fixed way and grinding way shall specify; (3) soft-sealing gate valve, valve plate rubber lining material physical chemistry and health testing data; (4) butterfly valves shall be marked on the valve body sealing materials and sealing surface on the butterfly plate material; Their physical and chemical testing data, especially the health requirements of rubber, ageing resistance, wear resistance; Usually use NBR and epdm and so on, are strictly forbidden to mixed with reclaimed rubber.
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