Wanner Engineering, Inc. Stainless Steel Hydra-Cell Pump. Max Flowrate: 35 GPM at 1150 RPM. Pump Head Material: 316 Stainless Steel. Originally setup with the following items: Diaphragm / O-Ring Material: EDPM. Valve / Valve Seat Material: Nitronic 50. Valve Springs: Elgiloy. Valve Spring Retainers: 17-7 PH Stainless Steel. Hydra-Oil: 40 weight, high-temp, edpm compatible. North American Electric motor: 7.5 hp, 1180 rpm, cat no: H1272, 208-230 /460 volts, 21.0-19./ 9.5 amps, 60 hz, 3 ph, Frame: 254T. ABB VFD: type: ACH401600632, code no: 64078887. (1) 1-1/2 in. tri-clamp outlet. (1) 3 in. tri-clamp inlet. Overall dimensions: 5 ft. 4 in. L x 2 ft. W x 1 ft. 9 in. H.