... 55 and GA 75)Model GA 37+ -75 (GA 37+, GA 45+, GA 55 and GA 75)Standard Scope of SupplyThe ... GA 37+ -75 is an air or water cooled, ... stop button is also provided. The GA 37+ -75 compressors are driven by Siemens TEFC, IP 55 squirrel cage ... optimized cooling and low noise levels, the GA 37+ -75 compressors have one main radial cooling fan, rotating at ...