Waukesha Positive Displacement Pump. Model: 10. S/N: D045006 SS. Flow rate for new pump is 9 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this refurbished pump should handle your specific duty. Product contact surfaces are constructed of stainless steel. Inlets/outlets: (2) 1 in. dia. ACME fittings. Overall dimensions: 1 ft. L x 7 in. W x 8 in. H. (ACN51).