Double Diaphragm Pump Air Intake Connection Size 3/4 in Air Intake Connection Type NPT Threaded Flange Check Seat Material Buna-N Diaphragm Material Buna-N Flow Rate (Maximum) 150 gpm Manifold Connection Single Port Media Discharge Connection Size 2 in Media Discharge Connection Type NPT Threaded Flange Media Intake Connection Size 2 in Media Intake Connection Type NPT Threaded Flange Media Temperature (Maximum) 180 Degrees F Pump Assembly Type Bolt Solid Diameter (Maximum) 2 in