1995 OMAC Lobe Pump. Matriculate: 4236. Model: B660 list. Flow rate for new pump is 740 gpm with required horsepower, pressure and viscosity. Discuss with salesperson your process and product to determine if this refurbished pump should handle your specific duty. Siemens motor, 1460 & 1756 rpm, 400-690 & 460 V, 28.5-16.5 & 28.3 amps, 20.11 hp (15 kw) & 23.19 hp (17.3 kw), COSP: 0.84 & 0.85. Lenze Motor Drive, Type: P1: 20.11 hp (15 kw), N1: 1500 rpm, N2: 375-71 rpm, M2: 294-921 Nm. Max speed: 500 rpm, max power: 100 hp. Inlet/outlets: (2) 6 in., flange dia.: 11 in. with 8 holes, ¾ in. dia., center to center: 9-1/2 in. Overall dimensions: 6 ft. 2 in. L x 3 ft. 2 in. W x 5 ft. H.