No suction or discharge valves provide smooth, quiet, vibration-free operation.
Low-clearance screw design for lower oil-circulation rates.
Ideal for variable-speed applications.
Precision long-life bearings.
Capacity control.
Economizer-cooled motor provides high-efficiency operation.
Uses O-ring seals.
Compatible with many different refrigerant/oil combinations.
Internal discharge check valve.
No oil pump.
Two-step Vi for low-temperature models to maximize efficiency over a wide operating range.