How to maintenance of pneumatic valves? The 13 principle of pneumatic valve maintenance

the right pneumatic valve and maintenance method, not only can prolong the service life of pneumatic valve, but also can reduce the maintenance cost. So how to maintain pneumatic valve? Next, small make up to you to introduce a principle of pneumatic valve maintenance.
deposit, pneumatic valve, should pay attention to environment should be stored in dry and ventilated room, and congestion on both ends of the channel.
should be checked regularly, pneumatic valve, and remove the dirt, besmear daub anti-rust oil on its surface.
after the application, installation of pneumatic valves, deal with the preventive maintenance, to ensure its normal work.
, should check to see if the pneumatic valve sealing surface wear, and according to the situation for repair or replacement.
, check the pneumatic valve stem and pneumatic abrasion of trapezoidal thread of stem nut, packing is outdated failure, etc. , and make the necessary change.
and cope with the pneumatic valve sealing performance test, to ensure its performance.
and operation of pneumatic valve should be in good condition, flange and bolt on the stent is complete, the thread, no loose phenomenon. The handwheel to
, if lost, should be complete in a timely manner, and are not able to use a wrench instead.
and packing gland are not allowed to skew or no preloaded gap.
pneumatic valves, if use environment is relatively poor, vulnerable to the snow and rain, dust, sand and other dirt contamination, the shielding should be installed for the pneumatic valve stem.
and pneumatic valve rod should maintain complete, accurate, clear, pneumatic valve seal, blocked shots.
, heat preservation jacket should have no sag, crack.
and pneumatic valves in operation, and avoid the knock, or support heavy weights, etc.