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Coltri MCH 6 EM Compact Portable Breathing Air Compressor (MCH6)

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Coltri MCH 6 EM Compact Portable Breathing Air Compressor (MCH6)

This Coltri MCH 6 portable breathing air compressor is light and easy to handle, technically advanced, but simple and economical to use. These features mean that you can use this motor driven MCH6 compressor even in your own home.

Coltri MCH 6 EM Compact Portable Breathing Air Compressor (MCH6)

Coltri MCH 6 EM Compact Portable Breathing Air Compressor Front View
Coltri MCH 6 EM Compact Portable Breathing Air Compressor Rear View
Coltri MCH 6 EM Compact Stainless Steel Portable Breathing Air Compressor Stainless Steel Option
Coltri MCH 6 EM Compact Portable Breathing Air Compressor
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or contact us / call our UK based sales team on +44 (0)1772 687775


The MCH 6 portable breathing air compressor is Coltri Aerotechnica's smallest unit capable of 2.8 CFM (80 Litres / minute), the compressor can fill a 10 Litre cylinder from empty to 200 Bar in around 25 minutes. The combination of the proven four stage Coltri pump unit and single phase electric motor makes this a really versatile and portable breathing air compressor, a must for the recreational diver. 

The Compact unit has a slightly larger frame than the standard offering a little more protection to the operator and unit itself.

Supplied complete with filtration to give breathing quality air to EN12021, high pressure whip hose assembly and filling connector of choice. Optional accessories include autostop feature, digital hour meter and stainless steel frame.

This Coltri diving compressor is also available in a stainless steel frame for extra durability.


This MCH 6 portable breathing air compressor has the following diving compressor specification:

  • Charging rate: 80 L/min - 2.8 CFM
  • Filling time cylinder 10 L - 0-200 Bar: 20 min
  • Working pressure: 225 Bar / 3300 Psi - 300 Bar / 4300 Psi
  • Driven by: Three-phase electric motor
  • Power: 2,2 Kw
  • Full load Amp: 14 A (230 V - 50/60Hz)  6,7 A (400 V - 50/60Hz)
  • Dimensions: height 47cm/18.5", width 73cm/28.7", depth 37cm/14.5"
  • Dry weight: 56,7 Kg / 125 lbs
  • Noise pressure: 83 dB
  • Number of stages and cylinders: 4
  • Lubricating oil capacity: 300 cc (0,3 L) / 10 FL. OZ.
  • Lubricant: Coltri Oil CE 750
  • Frame: Powder coated steel
  • Oil/mosture separator: After last stage with vortex generator
  • Filtration: Filter cartridge activated carbon and molecular sieve
  • Safety valve: On the separator housing 225-300-330 Bar
  • Interstage coolers and after coolers: Stainless steel
  • Suction filter: 2 micron paper
  • Breathing air: EN 12021  CGA E

Product Documents

For instant service contact our sales team
Telephone +44 (0)1772 687775

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Autodrain with Timer

This useful component add-on allows you to run your compressor continually without the requirement to manually bleed the condensate every 15 mins. As with the Auto-stop facility, this is a big time saver that allows you to get on with other tasks


This filling panel has an integrated pressure gauge and 4 x BC INT/DIN filling connections


Autostop is an optional add-on which will automatically cut off the power to the compressor once the cylinder being filled reaches full capacity.


This filling panel has a built in pressure gauge complete with 4 x LV INT/DIN filling connections