Coltri/Nuvair MCH6 Marine Package

Specifically designed for use aboard vessels, the Coltri/Nuvair MCH6 compressor is mounted in a stainless steel frame and is equipped with a inverter drive for use with generators. The MCH6 Portable is a standalone, four stage, high-pressure compressor that is lightweight and easy to maneuver on or below decks. Fill hose, auto drains, pressure switch, remote on/off switch, and air filtration system are included. The MCH6 is designed for personal use. It is not engineered for continuous-duty filling of storage tanks or cascade storage systems of any kind.


  • Excellent portability
  • 4500 psi (310 bar) maximum pressure
  • Four stage, 3.5 CFM high-pressure compressor 
  • Grade E breathing air filtration
  • Pressure switch
  • Automatic condensate drain
  • Phase inverter drive for use with small generators
  • Stainless steel frame
  • Digital hour meter
  • Remote start/stop button


Model Portable MCH6 Marine
Fill Time* ~19 minutes
Charging Rate* 4.2 SCFM (119 L/min)
CFM FAD 3.5 CFM (100 L/min)
Input Power 220V / E1 / 50 or 60 Hz
15.6A (~20A on startup)
Engine Power 4 hp (3 kW)
Maximum Operating Pressure 4500 psi (310 bar)
RPM 2800
Number of Stages 4
Number of Fill Hoses 1
Condensate Drain Automatic
Sound Level @ 3 meters 83 dB
(L x W x H)
26 x 15 x 15 in
(66 x 38 x 38 cm)
Weight 88 lb (40 kg)
Lubrication Splash Lubrication, capacity 12 oz
Air Quality DIN 3188 - CGA Grade E - NFPA 1500 - EN12021

* Based on 80 cu ft cylinder from 500 to 3000 psi.