Air Operated Drum Pump Max Air Pressure 120 psi Spout Connection Size 1/2 in Suction Tube Material Steel Self-Priming Yes Overall Length 46 1/2 in Explosion Proof No Discharge Connection Type FNPT Features Low Noise Air Pump Spout Length 8 in Food Grade No Air Outlet Size 1 in Bung Connection Dia 2 in Hose Length 25 ft Variable Speed Yes Includes Discharge Hose Yes Noise Level 90 db Max Viscosity 14 000 cps Adapter Connection Type FNPT Duty Cycle Continuous