Rotary Gear Pump Pump Type Carbonator 1/3 hp HP 1 Phase Voltage 115/230 5.6/2.8 Amps Motor Frame Carbonator Mount Motor Enclosure ODP Port Size (In.) 1/4 in Suction Lift (Ft.) 3.2 ft GPM Max 2.2 gpm Max Pressure (PSI) 100 psi Relief Valve Yes Seal Buna N Mechanical Body Material Bronze Shaft Material 303 Stainless Steel Temp Range -20 Degrees to 210 Degrees F Max Temp (F) 210 Degrees F Gear Material Bronze Spur Max RPM 1 725 RPM Bushing Carbon Graphite Gears Bronze