(above ground tank pictured above & below)
Service Valve
Main Shut Off Valve.
Liquid Level Float Gauge
Shows percentage of full.
Regulator
Valve that continuously monitors downstream pressure, opens & closes.
Pig Tail
Connects the service valve and the regulator.
Filler Valve
Valve by which the tank is filled.
Relief Valve
Protects the container from excessive pressure.
Fixed Liquid Level Gauge
Gauge used by your driver to tell that tank is properly filled.
Vapor Return Valve
Used For Tank Evacuation.