This is an API load/unload valve found on tanker trucks. It is used for bottom loading and unloading of petroleum tankers. It is manufactured to American Petroleum Institute (API) RP-1004 specifications which allows for connections to drop adapters and rack couplers.
It has an API adapter on one side and a 4″ TTMA flange on the other side. The large inside diameter allows for a higher flow rate at 290 gallons per minute.
The valve is made of heat-treaded aluminum with a brass ring. It includes a heavy-duty poppet and stainless steel trim for a longer life.
It includes a multi-position short stroke aluminum handle with smooth rotation of less than 60″. The flat body helps eliminate product accumulation after loading.
Also it has an openable sight glass and the sight glass for product viewing.