This kind of product is istall to the side below the oil truck.It's apply to load the oil quickly.The front adaptor is in accord with American API RP1004 Standard.Offer great convenience while connect to the dischargeable hose.The hydrodynamic structure enables the inside pressure to minimum while work in heave duty.Its outlet adopts the flat configuration in case of leakage.Safe and reliable.The adaptor can connect to the hose easily with its 70°inclined design.This helps prolong its life-span effectively.