APV / Crepaco R-Series Positive Displacement Pump. Model: 4R. Flow rate for new pump is 70 gpm with required horsepower and pressure at 80 psi. Discuss with salesperson your process and product to determine if this refurbished pump should handle your specific duty. Stainless steel pump body with vented cover. Leeson motor: 5 hp, 1740 rpm. Inlet/Outlet. (2) 2 in. ACME fitting. Includes spare rotors.(ACN74a).