Double Diaphragm Pump Air Intake Connection Size 1/2 in Air Intake Connection Type FNPT Check Seat Material 316 Stainless Steel Diaphragm Material PTFE Flow Rate (Maximum) 86 gpm Manifold Connection Single Port Media Discharge Connection Size 1 1/2 in Media Discharge Connection Type Tri-Clamp Media Intake Connection Size 1 1/2 in Media Intake Connection Type Tri-Clamp Media Temperature (Maximum) 220 Degrees F Operating Pressure (Maximum) 125 psi Pump Assembly Type Clamp