气动执行器的工作原理：气动执行机构接受气动调节器或阀门定位器输出的气压信号，并将其转换成相应的推杆直线位移，以推动调节机构动作。气动执行器具有结构简单、动作可靠稳定、输出力大、安装维修方便、价格便宜和防火防爆等优点，广泛应用于石油、化工、冶金、电力等部门。缺点是滞后大，不适合远传，（传输距离限制在150米以内）。为了克服此缺点可采用电/气转换器或电/气阀门定位器，使传送信号为电信号，现场操作为气动。
Allen Bradley Starter 100-C09Z*10, Series A, #24208
IFM Efector Proximity Switch IG0309 #23168
Wilkerson Filter Lubricator L16-04-A00 H96 #31057
Wilkerson Filter Lubricator L27-04-000 A95 #31056
Hi-Power II Gates V-Belt B115 #18930
Goodyear Belt Torque Team Classical B120 #18953
Indonesia/Dayto?n V-Belt BX-95 6L291G #18957
Box of 20 Parker Straight Connector F50L0-S #29431
Box of D Overload Relay Thermal Units B 0.81 #11974
Lot of 5 Buss One Time Fuse NON 80 #17866
Allen Bradley Panel Wheel Hardware Kit #29502
Gould Input Module D1-1131-000, #20992
Timken Tapered Roller Bearing 05185B #29445
Omron Photoelectric Switch Amplifier E3C-GE4 #31423
Trigger Board for Feeder Control BCI TB45B #26053
Allen Bradley Remote Terminal Board 1771-RTP1 #25657
Siemens Starter 3VU1300-1MD00 50/60 Hz, 4.8 Amp #34741
Omron Photoelectric Switch E3C-GE4 0090S0A #20518
Nemic Lambda Power Line Noise Filter MXB-1210-33 #37540
Numatics Regulator Valve 081RS100C #15015
Banner Mini Beam SM312FVQD Photoelectric Scanner #21610
