Processing fluorine-butterfly regulating pneumatic valve stuck or jam

fluorine-butterfly regulating pneumatic valve in use process due to the principle of medium, sometimes cause sticking or congestion, fluorine-butterfly regulating pneumatic valve cannot work normally, at this time, you should avoid it happened, or to deal with it, introduce a few kinds of methods below, only supplies the reference:
method, increase the throttle clearance
solid particles such as the medium or washed off in pipe welding slag and rust due to pass the throttle mouth such as congestion, jam, such as fault, can convert the throttle gap bigger throttle piece - Throttling area of a window, open the pneumatic valve core, sleeve, rather than the circumference of a circle because of the throttling area of concentration distribution, fault can easily be ruled out. If you are single, two-seater pneumatic valve can change the plunger type pneumatic valve core to 'V' shape of the mouth pneumatic valve core, or into a sleeve pneumatic valve etc. Such as have a two-seater pneumatic valve in a chemical plant often stuck, recommended after pneumatic valve switch socket, problem be solved immediately.
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pass-through to Angle method through to pour S flow, flow complex, upper and lower chamber should dead zone, provides the medium of precipitation. Angle connection, flows through ℃ medium like elbow, washing performance is good, dead zone is small, easy to design into a streamline. Therefore, using the pass-through fluorine-butterfly regulating pneumatic valve slight jams can be used to pneumatic valve Angle.
and installing pipeline filter method
pneumatic valve fluorine-butterfly adjustment of small diameter, especially ultra-small flow fluorine-butterfly regulating pneumatic valve, the throttling clearance, small, medium can't have a little residue. In this jam, the best line in front of the pneumatic valve installation of a strainer, to ensure that the media to go through. With fluorine-butterfly regulating pneumatic valve positioner used, locator is not normal work, the pneumatic throttle mouth blockage is the most common fault. With locator at work, therefore, must deal with gas source, usually adopts the way is in front of the locator air filtration pressure pneumatic valve installed on air pipeline
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external flushing method for some easy to precipitate, medium containing solid particles using ordinary pneumatic valve adjustment, often at the throttle mouth, guide block, but the pneumatic valve cover bottom plug in an external erosion gas and steam. When there are blocked or stuck with the pneumatic valve, open external pneumatic valve, gas or steam in fixed fluorine-butterfly regulating pneumatic valve under the condition of complete flushing work, make the normal operation of pneumatic valve.
, cleaning method,
pipeline welding slag, rust, pulp are under the throttle mouth, guiding parts, pneumatic valve cover balance hole blockage or stuck pneumatic valve core surface, guide surface strain and scratches, seal surface indentation, etc. This often happens in the early new operation system and put into operation after overhaul. This is the most common fault. Encounter this situation, it is necessary to remove for cleaning, remove the slag content, such as the sealing surface damage should also grinding; At the same time open the bottom plug to flush out from under the balance hole fall into the slag content in pneumatic valve cover, and the pipeline to wash. Before put into operation, let fluorine-butterfly regulating pneumatic valve fully open, medium flow into normal operation again after a period of time.

and dielectric flushing method USES the scouring of medium energy, wash and take things easy to precipitate, easy to jam, thus improve the combat the function of the pneumatic valve. Common methods include:
( As flow closed type use;
( In pneumatic valve;
( Puts the throttling mouth wash the worst place, adopt the method should pay attention to improve the throttling parts material erosion resistant ability.