Nitrogen Systems
The Huguenot Air Treatment Systems HLN series is a completely self-contained nitrogen-based sprinkler corrosion inhibiting system. The nitrogen generator fire protection unit is factory assembled and tested, and is ready for connection to the sprinkler system riser. The assembly consists of a compressor, refrigerated air dryer, nitrogen generator, and nitrogen receiver. The assembly provides dry air for the system’s initial fill and nitrogen for filling the interior of a dry or preaction sprinkler system with nitrogen at 98% or greater purity.

FEATURES
- Fully factory assembled, adjusted, and tested
 - No field assembly required
 - Just attach AC power and run piping to the sprinkler riser
 - Built-in UL Listed oilless air compressor
 - UL Listed refrigerated dryer delivers -40°F dew point air
 - Membrane-based nitrogen generation
 - Built-in particulate and coalescing filters
 - Single or multiple risers capable
 
BENEFITS
- Saves installation, assembly, and testing time
 - Smallest footprint complete nitrogen system available today
 - Quicker commissioning – just place, connect, and it’s ready
 - Nitrogen generation and sprinkler initial fill (per NFPA 13) from just one unit
 - Nominal 20-gallon nitrogen receiver
 - Digital compressor runtime monitor  Visual indicators of system status: o GREEN = Normal (the system is supplying nitrogen) o RED = Bypass (the system is supplying air for initial fill)
 - Leveling feet
 - Rugged steel construction
 - Best available air drying and filtration for long life and low maintenance
 - Reliable, long-lasting nitrogen generation
 - Easy inspection and maintenance
 - Reliable, dependable protection that functions as designed
 - Expert technical support
 
N I T R O G E N – B A S E D S P R I N K L E R C O R R O S I O N I N H I B I T I N G
Product Data Sheets (PDF)