GS Series Screw Compressor Package
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Catalog excerpts

GS Series Screw Compressor Package - 1

GS Series Screw Compressor Package 4 Models 25 - 150 HP Designed for high stage, booster, or single stage operation, utilizing various refrigerants including R-717, R-22, R-507, R-134A, R-744 and others Compressor Features: Package Features: Proprietary line-generated rotor profile and optimized rotor dimensions for improved volumetric efficiency and lower power consumption. Multi-stage oil separator design guarantees low oil loss. 5:6 male to female lobe ratio for improved bearing load distribution, lower noise generation, and better bhp/ton performance. High performance, steel, elastomeric coupling with high torque center member for quick installation and removal. Patented flow-optimized suction inlet improves volumetric efficiency and reduces noise. Unique keyless frictional coupling hub on the compressor end provides an easily adjustable and releasable mechanical shrink fit. This feature provides all the benefits of a shrink fit, but without the problems. High performance cylindrical roller axial bearings and duplex angular contact ball thrust bearings. Double-acting hydraulic capacity control, infinitely adjustable from 10% to 100%. Unique Hermetic Differential Transformer (HDT) transmits slide valve position without wear or friction and requires no external seal. Integrated suction strainer and check valve. Internal oil pump for capacity control on high stage units. Integrated oil filter and metering valve. Three-way thermostatic oil temperature control valve standard with oil cooler options. NEMA C Face mounted Motor bolts to the coupling housing and requires no alignment. TM Advanced GForce microprocessor control panel is standard with options for refrigeration system control. Product Drawings: Contact your nearest GEA FES, Inc. sales representative or go to www.geafes.com, click on ‘Tools’ . . . ‘Documentation’ . . . ‘G Series General Arrangement (GA) drawings’.

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GS Series Screw Compressor Package - 2

GS Series Compressor Packages 55GS 60GS 75GS 85GS . . . Small Size (4 models, 25 - 150 HP) . . . Large Features • No Speed Increasing Gears • Extremely Quiet • Full Unload Capability, Like Larger Compressors • Rebuildable • Controlled by the Most Reliable Microprocessor in the Industry GForceTM Integrated • Suction strainer and check valve • Capacity control solenoids • Oil filter • Oil pump Semi-hermetic Slide Valve Position Indicator IP-67 Wire Harness System For • Weathertight application • Quick connect sensors • Minimal package tubing • No leaks • 4 - 20 mA output • Compact design...

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