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    ePARTS makes finding the appropriate spare parts for our products fast and easy. The parts are listed according to the model range and appear as a simple zoomable expanded-view drawing. The software is free of charge. As a direct BITZER customer registered at myBITZER, you benefit from additional advanced features – for example, the ability to view online prices of individual spare parts.

    ePARTS makes finding the appropriate spare parts for our products fast and easy. The parts are listed according to the model range and appear as a simple zoomable expanded-view drawing. The software is free of charge. As a direct BITZER customer registered at myBITZER, you benefit from additional advanced features – for example, the ability to view online prices of individual spare parts.

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Screw Compressors Open For hazardous atmosphere (AT... OS.(A) ex ser...
OS.(A)74-EX Series

OS.(A)74-EX Series

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OS.(A)74-EX Series

The OS.(A)74-EX open-drive screw compressor series is dedicated to operation in hazardarous atmospheres zone 1 and zone 2. It is specially designed for installations in machines located in areas that are subject to the EU Explosion Protection Directive 2014/34/EU.

Refrigerants

  • OS.A74-EX:
    • Natural low-GWP refrigerant R717 (NH₃)
  • OS.74-EX:
    • HFC, HFC blends, HCFC, non-flammable A1

Product range

  • Four models: 165 ... 250 m³/h at 2,900 rpm

Certifications

  • EU Explosion Protection Directive 2014/34/EU

Applications

  • Explosion-proof process and A/C liquid chillers

Industry sectors

  • Oil and gas industry
  • Chemical and pharmaceutical industry
  • Marine and offshore industry

Submit request

Products

OSN7441ex-K  165 / 199 *

Technical Data TO DOCUMENTATION

OSN7451ex-K  192 / 232 *

Technical Data TO DOCUMENTATION

OSN7461ex-K  220 / 266 *

Technical Data TO DOCUMENTATION

OSN7471ex-K  250 / 302 *

Technical Data TO DOCUMENTATION

OSNA7452ex-K  192 / 232 *

Technical Data TO DOCUMENTATION

OSNA7462ex-K  220 / 266 *

Technical Data TO DOCUMENTATION

OSNA7472ex-K  250 / 302 *

Technical Data TO DOCUMENTATION

OSK7441ex-K  165 / 199 *

Technical Data TO DOCUMENTATION

OSK7451ex-K  192 / 232 *

Technical Data TO DOCUMENTATION

OSK7461ex-K  220 / 266 *

Technical Data TO DOCUMENTATION

OSK7471ex-K  250 / 302 *

Technical Data TO DOCUMENTATION

OSKA7452ex-K  192 / 232 *

Technical Data TO DOCUMENTATION

OSKA7462ex-K  220 / 266 *

Technical Data TO DOCUMENTATION

OSKA7472ex-K  250 / 302 *

Technical Data TO DOCUMENTATION

* Displacement in m³/h at 2900/3500 rpm

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