Due to our recent beginning in diagnostic testing on AOVs we have some questions about if we are trying to go too far in the data acquistion. This is particularly important in the case of the 'stroke times'. The questions are:
1.- Is Diagnostic Testing used to take measures of the stroke...
I am not able to find any information related to this positioner on the web.
Does anybody know something about de Bailey AP-53 positioner or where to obtain some information from?
Thanks
Has any one out there had experience with DYNACTAIR pneumatic actuator for 1/4 turn valves?
Note that this is a very unique actuator design.
The output torque appears to be lower than expected in the spring direction. No preventive maintenance since the preoperational tests, 26 years ago...
Let me explain our situation. Possibly someone else went through a comparable situation and might be of help.
Some present safety related valves were just conventional control valves in origin. Because of a licensing change these valves needed to be qualified as safety related. Not only a...
Let me explain our situation. Possibly someone else went through a comparable situation and might be of help.
Some present safety related valves were just conventional control valves in origin. Because of a licensing change these valves needed to be qualified as safety related. Not only a...