Nuvair MCH72 Offshore Compressor

Custom-built at our California production facility, the Nuvair MCH72 Offshore Compressor has two (2) MCH36 compressor blocks powered by two (2) 20 hp motors mounted inside of a large galvanized crash frame with removable covers. With a working pressure up to 6000 psi (414 bar) and a dual breathing air filter filtration system rated for 60,000 cu ft, the MCH72 delivers 72m³/hr FAD (1200 L/min or 42 CFM) and can fill a 80 cu ft scuba tank in under two minutes.



  • Large offshore galvanized crash frame with removable covers
  • (2) Coltri MCH36 compressor blocks
  • (2) 20 hp motors with Star Delta Start
  • Working pressure up to 6000 psi (414 bar)
  • Charging rate of 42 CFM (1200 L/min)
  • Operation panel with the following functions:
    - Start/stop button
    - Dial-a-Pressure automatic shutdown
    - Condensate test button
    - High temperature display
    - Automatic shutdown for high temperature and low oil
    - Phase control (proper rotation) recognition
    - Hour meter
    - Stage and oil pressure gauges
  • Automatic condensate drains
  • Pressure-free start/stop
  • Low pressure oil pump with filter and oil level sight gauge
  • Large stainless steel interstage cooling tubes with large condensate separators
  • Dual filter filtration 60,000 cu ft
  • Up to 6000 psi (414 bar) maximum pressure
  • Grade E breathing air filtration
  • Interstage pressure gauges
  • Stainless steel intercoolers
  • User Manual


  • Visual carbon monoxide (CO) and moisture indicator
  • Audible and visual CO and high temperature alarm with shutdown
  • Can be upgraded to any size of filtration
  • Nuvair Pro CO (carbon monoxide) analyzer
  • Nuvair Pro H2O (moisture) monitor


(2) MCH36 Compressor Blocks 4 cylinder, 4 stage, air-cooled, pressure lubricated
Power Supply 480V/E3/60Hz
Working Pressure Up to 6000 psi (414 bar)
Fill Time* <2 minutes
Charging Rate 42 CFM (1200 L/min)
Dual Air Filtration 60,000 cu ft
Oil Capacity 4.5 qt × 2
Operating Temperature 32-102°F (0-48°C)
Cooling Air Required 3000 CFM
Noise Level 70 dB @ 1m
Warranty 12 months

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