OS.A95 Series

OS.A95 SERIES

Etalase : BITZER SCREW COMPRESSORS OPEN

The OS.A95 series is the new open-drive BITZER screw compressor series for use in industrial ammonia applications. The series combines increased refrigerating capacity with proven reliability and outstanding energy efficiency in full and part load. The on-board IQ MODULE simplifies installation and service and increases the system uptime.


Applicable refrigerants

  • Natural low-GWP refrigerant
    • R717 (NH?)

Capacity range

  • 4 models: 700... 1,015 m³/h at 2,900 rpm

Certifications

  • CE
  • EAC
  • DNV
  • UL (IQ MODULE)

Industry sectors

  • Food and beverages industry
  • Chemical and pharmaceutical industry
  • Leisure and sports industry
  • Marine and offshore industry

Applications

  • Refrigerated MT and LT storage
  • Blast chilling/freezing systems
  • Process and A/C liquid chillers
  • Ice production
  • Ice rinks

Features

Highlights

  • Industry-leading efficiency in full and part load operation
  • Outstanding wide application range
  • Easy parallel compounding for increased system capacity
  • Suitable for VSD operation
    • Speed range 1,450 ... 4,000 rpm

Cutting-edge technology

  • On-board IQ MODULE
    • Protection, monitoring, analysis, operation and communication
  • Double slider technology
    • Stepless mechatronic capacity regulation: 100% ... 10%
    • Automatic V? adaptation

Product versions

  • OSKA: Universal for MT, LT and A/C applications
  • OSNA: Increased efficiency in LT applications

Benefits

Reduced life cycle costs

  • Very low operating costs due to outstanding high energy efficiency
  • Long lifetime due to high robustness and low-vibration design
  • Low maintenance costs due to service-friendly design
  • BITZER Global Service network for quick spare part availability all over the world

Operational safety and reliability

  • High compressor reliability
    • Application limits monitoring
    • Advanced oil management
  • All compressors are 100% factory-tested and pre-parameterised

Flexibility

  • Wide application range enables flexible use
    • In a wide range of system configurations
    • Mechatronic capacity control or variable-speed drive
  • Easy parallel operation of compressors due to internal discharge check valve

Accessories

Compressor-related accessories

  • Wide range of suction and discharge bushings and discharge gas shut-off valves
  • Matching couplings and coupling housings
  • Adaptor and shut-off valve for economiser connection
  • OS.A85: IQ MODULE for simplified compressor control and monitoring

System-related accessories

  • Primary and secondary oil separators
    • Oil separators for NH?: OA..A series
    • Combined oil separators for NH?: OAC series; OAHC series
    • Secondary oil separators for NH?: OAS series
  • Oil coolers
    • Water cooled oil coolers for NH?: OW..A series
  • Liquid receivers:
    • Horizontal liquid receivers for NH?: F..A series