The advantages and disadvantages of different valves and different occasions, the application of

medium temperature classification



     High temperature valve valve 450C is greater than t.



     120C temperature relief valve in less than t less than the valve 450C.



     Valve-40C ambient temperature is less than t less than the valve 120C.



     Low-temperature valve-100C less than t less than-40C of the valve.



     Ultra-low temperature valve t less than-100C of the valve.



     (C) classification according to body material



     Valve non-metallic materials: such as ceramic valves, glass fiber reinforced plastic valves, plastic valves.



     Valve metal materials: copper alloy, such as valves, valve aluminum alloy, lead alloy valves, titanium valves, valve monel alloy



     Cast iron valves, carbon steel valves, cast steel valves, low-alloy steel valves, high alloy steel valves.



     Metal valve body lining: lining of lead, such as valves, plastic lined valves, valves lining enamel.



     General Classification



     This classification is based on the principle of the role of structure and by division, is the international and domestic classification of the most commonly used. General sub-valve, the cut-off valve, throttle, instrument valve, plunger valve,globe  valve, gate valve, ball valve, butterfly valve, check valve, relief valve, safety valve, steam trap, control valve, at the end of valve , filters, valves, such as sewage.
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