The daily maintenance of pneumatic control valve pneumatic control valve maintenance:

because of the regulator using the environment evil Shirley, hard to avoid appear some fault in use. Therefore, for certain control valve maintenance and maintenance is necessary.

pneumatic regulator is the main content of the daily maintenance should have the following:

1) The body wall. Check the pressure, corrosion conditions. ( 2) The seat. Because medium infiltration, fixed seat with the thread is susceptible to corrosion on the inner surface of the seat is loose, should be careful when checking. In high-pressure situations, still should check whether the valve seat sealing surface was broken to pieces. ( 3) The valve core. Carefully check whether all parts of the valve core is corrosion, wear and tear, especially under the condition of high pressure differential valve core is more serious wear and tear, and should be pay attention to. Also had a similar phenomenon, should check whether the valve stem or connected to the Industrial Valves core is loose, etc. ( 4) Diaphragm, o-ring and other gasket. Check whether the aging and crack damage.

( 5) Packing. Check whether the ptfe packing, sealing grease is aging, dry, mating surface is damaged.

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