Air Operated Drum Pump Max Air Pressure 100 psi Suction Tube Material 316 Stainless Steel Self-Priming Yes Overall Length 48 1/8 in Explosion Proof Yes Discharge Connection Type Hose Barb Food Grade No Thermal Protection No Air Outlet Size 1/4 in Hose Length 48 in Motor HP 3/4 hp Variable Speed Yes Includes Discharge Hose Yes Motor Enclosure Air Noise Level 76 db Max Viscosity 2 000 cps Duty Cycle Continuous Includes Suction Tube Yes Includes Bung Adapter No