28+ Natural Gas Valve Symbol US. Kind el paso natural gas. The circuit function of the valve describes the different switching states it has.
Each p&id has its own legend that identifies the symbols for the various equipment.
Downloadable pdf of valve, actuator and other popular p&id symbols. Reformulated gasoline blendstock is mixed with ethanol to produce the motor gasoline sold in most service stations. Depending on which of the valve blocks is in function, the gas is directed to port. Explore efficient gas valve symbol at alibaba.com for controlling liquid flow at an injection point.