General description VEVOR Air-Operated Double Diaphragm Pump is designed for efficient transfer of petroleum, diesel, oil, and low viscosity fluids. Featuring a robust polypropylene body and double PTFE diaphragms, this pump is built to withstand corrosion and ensure leak-proof operation. With a maximum flow rate of 2.5 GPM and a pressure capacity of up to 80 PSI, it is ideal for various industrial applications. Technical specifications Model: QBY-15PP Body Material: Polypropylene Inlet Port: 1/2 inch (12.7 mm) Outlet Port: 1/2 inch (12.7 mm) Air Inlet Size: FNPT 1/4 inch (6.35 mm) Max Flow Rate: 2.5 GPM Suction: 0-5 m (0-16.4 ft) Max Suspended Solids: 2.38 mm (3/32 inch) Max Head: 69 m (226.4 ft) Max PSI: 80 psi Temperature Rating: -20℉ ~ 150 ℉ Self-Priming Dry: 3 m (10 ft) Self-Priming Wet: 4.6 m (15 ft) Ball Material: Santoprene(R) Compatibility and accessories 1 x Air-Operated Double Diaphragm Pump 1 x Product Manual Installation Installation is straightforward, with accessible