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Services & Products

We at Sigma offer new or rebuilt rotary screw, vane and reciprocating industrial air compressors, blowers, dryers, vacuum pumps, filtration systems, aftercoolers, condensate drains, air receivers, controllers, related products and parts, overhauls, services and repairs to all major air compressor brands.

24-Hour Emergency Repair

With our 24-hour repair service, an emergency breakdown doesn’t have to mean a loss in production time. This service is available to South Africa and neighboring countries.

Emergency Contact


  • New unit sales
  • Overhauls
  • Airend Rebuilds
  • Major Service
  • Minor Service
  • Repairs
  • Part replacements
  • Portable Compressor Rentals
  • Electric Compressor Rentals

Products Sold, Supplied & Maintained

Rotary Screw Compressors
Rotary Vane Compressors
Reciprocating Compressors

Rotary Lobe Blowers
Rotary Screw Blowers

Vacuum Pumps:
Rotary Screw Vacuum pump
Rotary Vane Vacuum pump
Reciprocating Vacuum pump

Desiccant Air Dryers
Refrigerated Air Dryers

Inline filtration systems

Condensate Drains:
Automatic Condensate Drains
Automatic Magnetic Drains

Condensate Management:
Condensate Filtration

Air Receivers:
Vertical Air Receiver
Horizontal Air Receiver

Other brands we specialise in

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