Throttling the object completely pneumatic valve and drain valve two kinds of pneumatic valve is a kind of pneumatic valves

object completely moving valve type selection is more, the use of the general size is big, open the speed of the pneumatic valve.
throttling pneumatic valve and globe valve type a is a J L, the structure of the two kinds of pneumatic valve, pneumatic valve core, the difference between a cone, a flat.
blowdown pneumatic valve switch speed is faster than the throttle pneumatic valve and globe valve, in conditions allow object completely dynamic valve can do.