(3) Viking Asphalt Series Internal Gear Pumps. Models: H32 and HL32*. S/N's: 10854122, 10854127 and 10798560*. Nominal capacity at maximum speed: 20 gpm. Maximum speed: 1200 rpm. Maximum pressure: 100 psi. The Asphalt Pump series are economical General Purpose pumps utilizing a floating rotor design. The jacketed head and rotor bearing sleeve are designed to allow passage of saturated steam or heat transfer fluid to melt asphalt that has solidified in the pump prior to startup. Inlets/outlets: (2) 1 in. dia NPT (female), (2)* 1-1/2 in. dia. NPT (female). Overall dimensions: 12 in. L x 5-1/2 in. W x 6 in. H. Note: (*) Represents Viking pump HL32 which has 1-1/2 in. ports.