Frick Booster Rotary Screw Compressor Package- 260 to 270 Tons of Low Suction. Model: RWB 126-B. S/N's: 2512x217 and 2512x421. Refrigerant: NH3. Volume ratio: 2.4. Maximum speed: 3600 rpm. Maximum pressure: 300 psig. Capable of running at partial load or full load. Unit is excellent for high capacity in a limited space. Package designed for service as a booster. (-)40 °F to +20 °F intermediate discharge. Unit can operate on Ammonia or Freon. Package was built in 1984, but compressors were rebuilt in the 90's. Ram Industries Motor, 150 hp, 3570 rpm, 230/460 V, 332/166 amps, 60 Hz, 3 phase. Westinghouse Motor, 150 hp, 3550 rpm, 460 V, 169 amps, 60 Hz, 3 phase. Inlets: (2) 6 in. dia. suction ports with 12-1/2 in. dia. flanges and (12) 1/2 in. dia. attachment holes at a center-to-center distance of 10-1/2 in. Outlets: (1) 8 in. dia. discharge with a 15 in. dia. flange and (12) 1 in. dia. holes at a center-to-center distance of 13 in. Microprocessors are not included. Overall dimensions: 31 in. L x 65 in. W x 96 in.