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Reciprocating Air Compressors Compressed air bu southern cross air compressors australia


The Reciprocating Air Compressor – Piston – The KA series range is designed as a heavy-duty, slow revving, cast iron, industrial compressor that is built for rugged, reliable operation.

The KA Series Piston compressors have been engineered using only the highest quality components ensuring reliability in a myriad of heavy-duty applications. These Heavy-Duty, cast iron, slow-revving compressors incorporating over-sized pumps, large cooling fans and disc valves results in a super-efficient and reliable machine with superior performance and a longer trouble-free life. The slow-revving pump coupled with a large cooling fan and deep cooling fins means a correctly sized KA series piston compressor can handle the most  demanding applications

Heavy Duty, Cast Iron Piston Compressors have always been the backbone of industry for decades. Southern Cross Compressors (Australia) have a range of models from 4 – 15kW (5.5 – 20hp) which are ideal for a wide range of applications.

Be it primary producers, small manufacturers, processing plants, packaging, transport, automotive or tyre industries we have you covered with safe, reliable and clean compressed air. Contact us now for expert advice on selecting the right compressor for you needs.

Models of Reciprocating Compressors Available

  • 3kW Reciprocating Air Compressor – Piston – KA-4
  • 4kW Reciprocating Air Compressor – Piston – KA-5.5
  • 5.5kW Reciprocating Air Compressor – Piston – KA-7.5
  • 7.5kW Reciprocating Air Compressor – Piston – KA-10
  • 11kW Reciprocating Air Compressor – Piston – KA-15
  • 15kW Reciprocating Air Compressor – Piston – KA-20

KA Series Piston Air Compressors

Southern Cross Heavy Duty Piston Air Compressors are engineered using the highest quality components.

  • Slow Revving, Cast Iron Pump
  • Tapered Roller Bearings
  • Disc Valves
  • Robust Safety Guard
  • IP55 MEPS Compliant WEG Electric Motor
  • Industrial Grade High Quality Finish
  • Powerfull, High Flow Cooling Fans
  • Start/Stop Control (standard on KA4 – KA10)
  • Star Delta Starter (KA15 & KA20)
  • Dual Control (KA15 & KA20)
  • Air Receivers designed to AS1210-3

Every compressor is rigorously workshop tested to perform to stringent quality standards.

WHY Reciprocating Compressors

Every feature of the Reciprocating compressor – Piston – KA Series range highlights its quality.

The Southern Cross KA Series reciprocating compressor presents superior value. We are so confident in it’s heavy-duty capability we offer a number of options for extended warranty terms to give you peace of mind knowing that it not only reduces energy usage through exceptional efficiency but industry leading reliability as well.


  • Start/Stop Control Standard on models KA-4 to KA-10
  • Dual Control On models KA-15 and KA-20
  • Slow-revving, cast iron pumps
  • Heavy-duty, tapered roller bearings
  • Large cooling fan
  • Large air receiver in compliance with AS1210-3
  • Disc valves
  • 3 Year warranty on all models


  • Flexible Service Plans
  • System Design & Consultation
  • Installation
  • 24/7 Servicing
  • Preventative Maintenenace
  • Air Audits
  • Air Receiver Inspections
  • Air End Rebuilds
  • Air Compressor Hire

Ancillary Equipment

  • Air Receivers
  • Dryers
  • After-Coolers
  • Coalescing Air Filters
  • Oil-Water Separators
  • Auto Drains
  • Condensate Separators
  • Safety Valves


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