Description : This 44 GPM Air-Operated Double Diaphragm Pump is with 1-1/2 Inch Inlet And Outlet. This powerful air-operated double diaphragm pump operates from 29 to 115 PSI. Features a 1-1/2 in. inlet and 1-1/2 in. outlet capable of pumping up to 44 gallons/min at temperatures up to 80 degrees F. Application: Perfect for use with water. Ideal for use with low viscosity petroleum fluids including diesel, kerosene, motor oil and some waste oil. Feature: Air-operated double diaphragm pump With 1-1/2 inch inlet and outlet 2/5 Inch air inlet 1/8 Inch max diameter suspended solids Perfect for use with water Ideal for use with low viscosity petroleum fluids Solid construction Specifications: Product: Diaphragm pump Type: Air-operated double diaphragm Model: QBK_40L Body Material: Aluminum alloy Inlet Port: 1-1/2 inch (40 mm) Outlet Port: 1-1/2 inch (40 mm) Air Inlet Size: NPT 2/5 inch (10 mm) Average Air Consumption: 9 CFM Max Flow rate: 10 m3/h (44 GPM) Suction: 0-5 m (0-16.4 ft) Max Suspended Solids: 3 mm (1/8 inch) Max Head: 69 m (226.38 ft) Max. PSI: 115 Operating PSI: 29-115 Max Fluid Temp.: 80 ℉ Package Size: 56 x 56 x 35 cm (22.05 x 22.05 x 13.8 inch) Gross Weight: 14.8kg (32.6lbs) Package Content: 1 x Air-Operated Double Diaphragm Pump 1 x Product Manual Warning: Can not use for corrosive liquid. Note: If the diaphragm pump you received, 8m3/h is written on the body, please rest assured that this is written wrongly by the manufacturer, in fact, it can reach 10m3/h (44GPM).