Bitzer - Screw Compressor | OS.(A)74- Ex Series Get latest price

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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

Industry Sectors

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

Features

Highlights

• Explosion-proof design according to EU Directive 2014/34/EU
  • EU Explosion Protection Directive 2014/34/EU designation: Ex II 2G Ex h IIC T4 Gb X
• Applicable in zone 1 and zone 2 (EU Explosion Protection Directive 2014/34/EU) according to EU Directive 1999/92/EC

Capacity Regulation

• Mechatronic capacity control
  • Multi-stage capacity control (control pistons)
• Suitable for VSD operation
  • OS.(A)74-EX: Speed range 1,450 ... 4,000 rpm

Product Versions

• OSK(A): MT and A/C applications
• OSN(A): LT and MT applications

Benefits

Reduced Life Cycle Costs

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

Easy to Apply

• Extensive documentation and BITZER know-how for technical support
• Wide range of matching accessories
  • Easy calculation and selection via BITZER SOFTWARE

Reliability and Flexibility

• All compressors are 100% factory-tested
• Integrated mechanical capacity regulation (CR) and start unloading (SU)
• Suitable for wide-range VSD operation
• Easy parallel operation of compressors due to internal discharge check valve

Accessories

Compressor-Related Accessories

• Matching explosion-proof couplings
• Matching coupling housings
• Explosion-proof solenoid coils for multiple supply voltages
• Wide range of suction and discharge bushings and discharge gas shut-off valves
• Adaptor and shut-off valve for economiser connection

System-Related Accessories

Explosion-proof oil separators:

• Explosion-proof oil separators for synthetic refrigerants: OA..EX series
• Explosion-proof oil separators for NH3: OA..AEX series

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To contact BITZER Australia about Bitzer Screw Compressor | OS.(A)74- Ex Series use Get a quote.