Complete airpiston pump contains pneumatic motor and piston pump, the ratio of piston area of pneumatic motor and plunger ' s sectional area of piston pump is transforming times of pump pressure ;
The piston compressor, the oldest in places such as the cold storage, many central air conditioning unit, and small piston compressor in the fridge and air conditioning.
活塞式压缩机资格最老，用的地方很多如冷库、中央空调机组、还有小型活塞式压缩机用在冰箱和空调中。
3
Spring opposed , air operated diaphragm or piston, actuators are preferred for on-off applications.