Could someone point me at the proper specification that says how a Control Valve should be tagged? I have had disagreement between if a Pressure Control Valve with an electronic controller should be tagged PCV-1234 (pressure control valve) or PV-1234 (pressure valve). I have been told the PV...
Not sure where to ask this, but I have a question as to whether or not instrumentation documentation requires an engineering stamp in order to be used? I have worked for a few different companies and I have yet to get a straight answer on the need for this. I know P&ID's and C&E documents get...
