FES 1135B / Howden 321/1.93 Rotary Screw Compressor Package. Model: 1135B / WRV321/1.93. S/N: MK4D-065. Refrigerant: Last used with R-717 (ammonia). Siemens electric motor, 500 hp, 3565 rpm, 4160 V. FES oil separator, MAWP: 250 psi. at 200 °F. MDMT: -20 °F at 250 psi. Dunham-Bush oil cooler. FES Micro II control panel. Howden rotary screw compressor, Model: WRV321/1.93. Vi setting: 2.6. Displacement: 3,758 cfm. Compressor run time: 2,369 hrs since Stellar Group rebuild. Overall dimensions: 14 ft. 6 in. L x 7 ft. W x 11 ft. H. (ACN1330)
