APV / Crepaco Centrifugal Pump. Model: 18. Flow rate for new pump is 220 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this refurbished pump should handle your specific duty. Impeller diameter: 4-3/4 in. Louis Allis electric motor, 5 hp, 3 phase. Inlet: (1) 2-1/2 in. dia. ACME fitting. Outlet: (1) 2 in. dia. ACME fitting. Overall dimensions: 1 ft. 9 in. L x 1 ft. 7/8 in. W x 11-3/8 in H.(ACN25).