Odorization pumps are specially designed diaphragm plunger metering pump, plungertravelof the exercise machine lock, each time to maintain a constant output.
加臭泵是专门设计的隔膜式柱塞计量泵，柱塞的运动行程机械锁定，每次输出量保持恒定。
2
Pneumatic piston 12 travel can be limited by means of a simple multi-position mechanical stop plunger 16.