85xx series

Description

Bitzer's open type screw compressors are designed for air-conditionning, medium and low temperatures applications and are suitable for booster systems applications.


Technical specifications

• Displacement at 2900 / 3500 1/min in m³/h
• Efficient capacity control: 100 % – 75 % – 50 %
• From model OS.85, three-step or infinite slider control
• High-quality and reliable shaft seal
• Capacity range: Up to ten displacement stages
• Parallel operation: Up to six compressors is possible
• Parallel circuits offer further advantages of the system:

                         - High system reliability and redundancy without over-dimensioning
                         - Virtually infinite capacity control
                         - High part load efficiencies by powering compressors up and down
                         - Compact compressor system with simple maintenance and service


Advantages

• High cooling capacity and performance coefficient with and without economiser operation
• integrated
• Reliable continuous operation through patented lubrication system and generously dimensioned bearings
• Standard motors can be flanged directly to the optional coupling housing without costly alignment work
• Clutches are also available as accessories

Applications

• Large commercial
• Industrial applications
• Marine refrigeration systems
• Explosion protection zones