1997 Waukesha Positive Displacement Pump. Model: 18-U1. Flow rate for new pump is 17 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this pump should handle your specific duty. Setup to accept the non-standard / non-sanitary PS-1 Fluidol lip seal of made of FKM material, this U1 design features a temperature range from -40°F to 300°F and 316 stainless steel product contact surfaces. This unit does not include the seal. Inlets/outlets: (2) 1-1/2 in. dia. Overall dimensions: 1 ft. 1 in. L x 7 in. W x 8 in. H.(ACN35).