How to identify valves using their P&ID symbols?
A Pipeline and Instrumentation Diagram (P & ID) is a graphical representation of a process system that includes pipes, vessels, control valves, instrumentation, and other process components and equipment in the system. All these are represented using symbols. Let’s see how valves are respresented using symbols.
GATE VALVE
GLOBE VALVE
BALL VALVE

DIAPHRAGM VALVE

PLUG VALVE

OTHER VALVE


