exte - FEED
- extended 5-push-button switch
- extended controller
- extended event enable register
- extended stem plug valve
- extent of CV-kick
- external float type level switch
- external flushing for pressurized dual seal
- external trigger gate
- external trigger input range
- eye shower & shower
- F&G
- F/S
- faceplate block
- faceplate function
- factory acceptance test
- Factory Mutual Intrinsically safe and Nonincendive Approval
- fail-locked valve
- fail-safe
- failure reate
- failure-locked valve
