M&M Refrigeration Inc. - Screw Compressor Packages

Back to Main Page

S-Series Compressor Features

	5 lobe/7 flute rotor design, with 1.7 L/D ratio for maximum efficiency			unique slide valve configuration that drastically reduces wear
	automatic two position variable volume ratio, independent of the control panel			built-in oil pump and internally distributed oil for simplified package design and more reliable operation
	exceptionally quiet operation			movable economizer port for greater efficiency
	roller and ball bearings—no pre-lube pump required			built-in suction strainer for easier maintenance
	5 sizes ranging from 678 to 2,684 CFM (60 Hz)			two-year warranty

Standard Range

Ratings are based on water cooled or thermosyphon oil cooling, saturated suction temperature °F, with 10°F liquid subcooling from condenser.Booster ratings with liquid cooling to intermediate temperature. Economizer is flash type, with cooling of liquid to 10°F above saturatedeconomizer port temperature. Dimensions and weights are based on R717 high stage with thermosyphon oil cooling. All ratings are at 3550 RPM.