HTS Maxon Line & Duct Burners – NP-LE Airflo Series

The MAXON NP-LE AIRFLO® is a low-emission line/duct burner designed for direct-fired make-up air and process air heating applications. It delivers improved emissions performance compared to typical gas burners, with significantly lower CO and NO₂. With higher capacities up to 1,000,000 BTU/hr/ft (300 kW/ft), NP-LE AIRFLO is an economical choice for large air handlers, ovens, dryers, and industrial air heating systems.

Features & Benefits

• Low-emission performance for direct-fired air heating
• Significantly lower CO and NO₂ compared to typical gas burners
• High capacity up to 1,000,000 BTU/hr/ft (300 kW/ft)
• Modular line-burner design supports a wide range of configurations
• Economical solution for make-up air and process air systems
• Designed to meet common direct-fired industrial heating standards (application dependent)

Model Overview

• Product family: NP-LE AIRFLO®
• Burner type: Line-style / in-duct firing burner (raw gas)
• Primary use: Direct-fired make-up air and process air heating
• Key attribute: Short flame length

Technical Specifications

• Capacity (line rating): Up to 961 kW/m (1,000,000 BTU/h/ft)
• Fuel type: Natural gas
• Application: In-duct firing / air stream heating (make-up air and process air)
• Burner design: Modular raw gas line-style burner

Applications

• Direct-fired make-up air units
• Industrial air handlers and duct heaters
• Process air heating for ovens and dryers
• Paint finishing and coating lines (fresh air heating)
• General industrial air heating where low emissions are required

Documentation

Additional Information

• Final burner selection depends on duct geometry, airflow, temperature rise, and emissions requirements.
• Use the Docuthek Technical Information documents for configuration limits, sizing guidance, and installation details.