Waukesha Positive Displacement Pump. Model: 25 U1. Flow rate for new pump is 36 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this refurbished pump should handle your specific duty. Materials of construction: 316 stainless steel. Electric Motor, 1 hp, 3 phase. U.S. Varidrive Module, Ratio: 2.25. This pump is 3A and BISCC approved. Easy disassembly for easy cleaning. Inlets/outlets: (2) 1 ½ in. dia. ACME fittings. Overall dimensions: 3 ft. 6 in. L x 1 ft. 1 in. W x 2 ft. 11 in. H.(ACN57).