Fristam Centrifugal Pump. Model: FPX702-99. Flow rate for new pump is 50 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this pump should handle your specific duty. (1) 4 in. dia. impeller. Motor information not specified. (1) 1-1/2 in. s-line inlet. (1) 1-1/2 in. s-line outlet. Overall dimensions: 1 ft. 9-1/2 in. L x 9-1/2 in. W x 7-3/8 in. H.