Type L680-1201 incorporates a service valve, a vapor equalizing valve, a fixed liquid level gauge, and a connection for a pressure gauge. They are intended for use in ASME domestic bulk tanks in combination with separate filler, safety relief, and liquid withdrawal valves.

Standard dip tube length ("DT" dimension) is 12" and this length will be furnished unless otherwise specified. The 1/4" FNPT pressure gauge connection is plugged.