tag class
A document that describes methods of operating a piece of equipment or process unit, including but not limited to Instructions, procedures, drawings, tables, etc. for the operation -stop, start, and emergency shutdown. Including operational limits, function testing, possible interruptions, corrective actions, hazards and corrective measures to be taken.
A pinch valve is an actuated membrane valve that is comprising a flexible tube, either exposed or enclosed in a body. The tube is pinched to close by mechanical means.