Air Operated Drum Pump Max Air Pressure 100 psi Suction Tube Material 316 Stainless Steel Self-Priming Yes Overall Length 57 7/8 in Explosion Proof Yes Discharge Connection Type Tri-Clamp Food Grade No Thermal Protection No Air Outlet Size 1/4 in Motor HP 1 1/2 hp Variable Speed Yes Includes Discharge Hose No Noise Level 90 db Max Viscosity 100 000 cps Duty Cycle Continuous Includes Suction Tube Yes Includes Bung Adapter No Includes Nozzle No Includes Spout No Runs Dry No