NUVAIR NUVAIR PRO Breathing Air Compressor: Common Faults and Maintenance

NUVAIR is an American manufacturer of diving and breathing air compressors. The NUVAIR PRO is typically used for industrial breathing-air supply. Below we outline where the unit is used, what tends to go wrong, and how to keep air quality within limits.

Common faults and diagnosis

Oil carry-over

Oil carry-over is a frequent issue: worn piston rings or an incorrect oil grade raise the hydrocarbon content of the delivered air. Use a breathing-air-grade lubricant and replace it on schedule.

Filter saturation

Filter saturation is a leading cause of failed air-quality tests. Keep spare breathing filter cartridges on hand and record each change.

Low or unstable pressure

If the unit struggles to reach rated pressure, check the intake filter, belt tension and inter-stage cooling before replacing major components.

Compatible consumables

For the NUVAIR NUVAIR PRO we offer compatible lubricating oil and replacement breathing filter cartridges suitable for use with this model. They are independent aftermarket items, not original parts.

Dejue breathing air compressors

Dejue supplies breathing air compressors from its Shanghai base and publishes a 100–1000 L/min selection table that helps match flow and pressure to your duty: https://www.bs986.com/list_29/100-1000l-breathing-air-compressor-selection-table.html.

Contact

Tell us your flow, pressure and duty cycle, and we will recommend a compatible consumable kit or a Dejue breathing air compressor.

View the 100–1000 L/min breathing air compressor selection table