The Husky 3300 air-operated diaphragm pump features a stall-free low pulsation air valve which provides a smooth and rapid changeover. The one-piece center section eliminates leaks and reduces maintenance on the Husky pumps when compared to other diaphragm pumps. Overall improved efficiency (up to 40% more efficient) Highest fluid flow rate in its class Up to 5 times longer diaphragm life compared to other air operated diaphragm pumps Expanded material offering to handle endless applications Offered in ATEX configuration. Expanded material offering to handle numerous applications Flow rates up to 300 gpm (1,135 lpm) Modular stall-resistant air valve design Complete 3 inch family of diaphragm pumps available in aluminum or polypropylene center sections Heavy-duty construction Air Exhaust Port Size (in) 1 Air Exhaust Port Thread Gender Female Air Exhaust Port Thread Type NPT Air Inlet Size (in) 3/4 Air Inlet Thread Gender Female Air Inlet Thread Type NPT Application Industrial Ball Material Acetal Center Section Material Aluminum Compatible Material Antifreeze, Detergents, Motor Oil, Hydraulic Fluid, Cutting Oil, Water - Wastewater Transfer Connection Type Center Flange ANSI/DIN, Threaded Diaphragm Compatible Material TPE Diaphragm Material TPE Fluid Inlet Size (in) 3 Fluid Inlet Thread Gender Female Fluid Inlet Thread Type NPT Fluid Outlet Size (in) 3 Fluid Outlet Thread Gender Female Fluid Outlet Thread Type NPT Fluid Section Material Aluminum Manifold Configuration Center Port Manifold O-Ring Material Buna-N Material Aluminum Maximum Air Consumption (SCFM) 335 Maximum Air Pressure (MPa) 0.86 Maximum Air Pressure (psi) 125 Maximum Cycle Rate (CPM) 103 Maximum Flow Rate (GPM) 300 Maximum Fluid Pressure (MPa) 0.86 Maximum Fluid Pressure (psi) 125 Maximum Operating Temperature (°F) 150 Maximum Solid Size (in) 0.5 Minimum Operating Temperature (°F) 32 Minimum Storage Temperature (°F) 32 Model Husky Overall Height (in) 32.56 Power Source Air Seat Material TPE Series 3300 Type Pneumatic Diaphragm Pump Weight (lb) 150 Wetted Material Aluminum, Acetal, TPE, Buna-N