MSKCEX-05防爆BT6機械式手動球閥反饋信號，無錫埃費爾公司生產的APL-210N,APL-310N,APL-510N,APL-410N,APL-311N,APL-313N,APL-312N,APL-314N,APL-512N,APL-514N,APL-511，APL-411，APL-412N,APL-221N,APL-213N,APL-321N,APL-313N,APL-521N,APL-513N,APL-421N,APL-413N,APL-230A,APL-330，APL-530,APL-430,APL-220N,APL-222N,APL-320N,APL-322N,APL-520N,APL-522N,APL-420N,APL-422N,APL-315N，APL-316N,APL-515N,APL-516N,APL-415N,APPL-416N,PL-311,APL-311,APL-411.APL-511,APL-610，APL-620，APL-611，APL-621，APL-613氣動閥門信號反饋裝置，氣動閥門限位開關、氣動球閥磁感應開關SLSJ902W閥門回信器。閥門回訊器、回信器、回訊器、氣動閥位指示器、磁感開關、磁感應接近式開關。無源磁感開關、二合一回信器、SWT-M10二合一回訊傳感器、RTKG100D,馬蹄形防護型閥門回訊器、二合一磁感應回訊器,AM014A0-2H,ALSPV210,RAVL-410N,XAPL-210N、XAPL-310N、XAPL-312N、進口回信器、MPL-210N、T2P10N、油油閥位置開關,、T2W10N、TTS-102、HMPL-310N、ALS-200D、LQWS-I、SP012H0-1、T5W10-1、Z007X-BY-CS-ZDPDT  STL310N CRLS100,閥門限位器   APL-210N  ARL-210N    AC250/IP67/2SPDT ,ALF100防護閥位反饋裝置