Designed for high stage, booster or single stage operation GEA FES GL seriesFeatures:Multi-stage oil separator design guarantees low oil lossPartial-flow, full-time oil pumpThree-way thermostatic oil temperature control valve standard with oil cooler optionsPatented low pressure drop suction strainerHigh performance, all steel, multiple disccoupling with factory assembled center member for quick installation and removalUnique keyless frictional coupling hub on the compressor end provides an easily adjustable and releasable mechanical shrink fit.Uses industry standard size motors with oversized junction box for easier connectionShimless motor mounts facilitate fast, easy, and accurate motor alignment checksAdvanced GEA GForceTM microprocessor control panel is standard with options for refrigeration system control