Waukesha Positive Displacement Pump. Model: 30. 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. (2) 4-3/8 in. rotors. (1) 1-1/2 in. s-line inlet. (1) 1-1/2 in. s-line outlet. Pump is packed and equipped with a variable frequency drive. 102/565 final output min/max RPM for motor drive. Motor information is not specified. Overall dimensions: 3 ft. 11 in. L x 1 ft. 3 in. W x 4 ft. 5-3/8 in. H.(ACN74).