line and duct burners
CROSSFIRE®
Maxon CROSSFIRE® Burners are nozzle-mixing, modular line burners designed for a variety of fresh and recirculated air process heating applications.
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Overview
MAXON CROSSFIRE® Low NOx Burners comply to the world's toughest air quality standards for NOx and CO by cleanly combusting gaseous fuels. CROSSFIRE® Burners are nozzle-mixing, modular line burners designed for a variety of fresh and re-circulated industrial air process heating applications. This low NOx burner is available in straight, grid, and insert cartridge sections which are used to spread heat across your duct for very uniform temperature distributions.The CROSSFIRE® Burner can be designed within a system to allow for up to 2,500,000 BTU/hr/ft (730 kW/ft)while producing extremely low emissions of both NOx and CO. You can combine CROSSFIRE® Low NOx Burners with SMARTFIRE® Intelligent Combustion Controls for optimal control of emissions and efficiency.
Features & Benefits:
Features & Benefits:
- Operational flexibility
- High moisture air streams
- Low O2 air streams
- Highly inert air streams
- Parallel velocities up to 4000 fpm, cross velocities up to 3000 fpm
- Extremely low emissions
- NOx levels of 25 ppm and CO levels of 250 ppm at 3% O2 are possible
- Contact your Maxon sales representative about your specific application
- Temperature uniformity to enhance product quality
- Up to 25:1 turndown for process flexibility
- High firing capacity - up to 2,500,000 Btu/hr/ft (732 kW/ft)
- Nozzle-mixing line burner for use with low pressure natural gas firing
- Also available in stainless steel housings and nickel-plated body versions
Specifications
Air & Combustion Air Specifications
- Air Stream Conditions
- Suitable for high‑moisture, low‑O₂, and highly inert air streams
- Process Air Velocity
- Parallel velocities up to 4000 fpm; cross velocities up to 3000 fpm
Control, Logic & Functional Behavior
- Control System Type
- MICRO-RATIO® valve for air and fuel; manual start-up adjustments then reconnect for automatic control
- Functions
- Line burner requiring external blower; gas and air are piped separately into the burner assembly
Ignition, Flame & Supervision Specifications
- Flame Supervision
- UV Scanner recommended; use magnifying lens when Scanner tube length > 24 in
- Ignition Type
- Pilot/ignition takes combustion air from upstream of the MICRO-RATIO® valve; spark ignitor fed through duct wall; pilot bleed air to prevent soot; pilot to be interrupted after main flame is established
Installation & Mounting Specifications
- Mounting Options
- Provide independent supports for burner and gas piping; use flexible connections to allow for thermal expansion; avoid external loads on inlets
Processing & Performance Metrics
- CO/NOx Emissions
- 25 ppm NOx at 3 % O₂ achievable (application‑dependent)
- 250 ppm CO at 3 % O₂ achievable (application‑dependent)
Performance Specifications
- Firing Capacity
- Up to 2,500,000 Btu/hr per foot (per CROSSFIRE Fuel/Air Settings reference)
Performance, Flow & Capacity
- Turndown Ratio
- Up to 25:1
Combustion, Mixing & Fuel Dynamics
- Mixing Concept
- Homogeneous fuel/air jet impingement producing high excess air combustion
Product Design & Configuration
- Burner Design
- Nozzle‑mixing line burner
Applications & Compatibility
- Applications
- Induct firing in process heating systems (fresh or recirculated air)
Fuel, Gas & Media Specifications
- Fuel Type
- Low‑pressure natural gas
Material Specifications
- Material
- Stainless‑Steel Housings and Nickel‑Plated Bodies
Air & Combustion Air Specifications
- Air Stream Conditions
- Suitable for high‑moisture, low‑O₂, and highly inert air streams
- Process Air Velocity
- Parallel velocities up to 4000 fpm; cross velocities up to 3000 fpm
Control, Logic & Functional Behavior
- Control System Type
- MICRO-RATIO® valve for air and fuel; manual start-up adjustments then reconnect for automatic control
- Functions
- Line burner requiring external blower; gas and air are piped separately into the burner assembly
Ignition, Flame & Supervision Specifications
- Flame Supervision
- UV Scanner recommended; use magnifying lens when Scanner tube length > 24 in
- Ignition Type
- Pilot/ignition takes combustion air from upstream of the MICRO-RATIO® valve; spark ignitor fed through duct wall; pilot bleed air to prevent soot; pilot to be interrupted after main flame is established
Installation & Mounting Specifications
- Mounting Options
- Provide independent supports for burner and gas piping; use flexible connections to allow for thermal expansion; avoid external loads on inlets
Processing & Performance Metrics
- CO/NOx Emissions
- 25 ppm NOx at 3 % O₂ achievable (application‑dependent)
- 250 ppm CO at 3 % O₂ achievable (application‑dependent)
Performance Specifications
- Firing Capacity
- Up to 2,500,000 Btu/hr per foot (per CROSSFIRE Fuel/Air Settings reference)
Performance, Flow & Capacity
- Turndown Ratio
- Up to 25:1
Combustion, Mixing & Fuel Dynamics
- Mixing Concept
- Homogeneous fuel/air jet impingement producing high excess air combustion
Product Design & Configuration
- Burner Design
- Nozzle‑mixing line burner
Applications & Compatibility
- Applications
- Induct firing in process heating systems (fresh or recirculated air)
Fuel, Gas & Media Specifications
- Fuel Type
- Low‑pressure natural gas
Material Specifications
- Material
- Stainless‑Steel Housings and Nickel‑Plated Bodies
- Air Stream Conditions : Suitable for high‑moisture, low‑O₂, and highly inert air streams
- Process Air Velocity : Parallel velocities up to 4000 fpm; cross velocities up to 3000 fpm
- Control System Type : MICRO-RATIO® valve for air and fuel; manual start-up adjustments then reconnect for automatic control
- Flame Supervision : UV Scanner recommended; use magnifying lens when Scanner tube length > 24 in
- Mounting Options : Provide independent supports for burner and gas piping; use flexible connections to allow for thermal expansion; avoid external loads on inlets
- CO/NOx Emissions : 25 ppm NOx at 3 % O₂ achievable (application‑dependent)|250 ppm CO at 3 % O₂ achievable (application‑dependent)
- Firing Capacity : Up to 2,500,000 Btu/hr per foot (per CROSSFIRE Fuel/Air Settings reference)
- Turndown Ratio : Up to 25:1
- Mixing Concept : Homogeneous fuel/air jet impingement producing high excess air combustion
- Ignition Type : Pilot/ignition takes combustion air from upstream of the MICRO-RATIO® valve; spark ignitor fed through duct wall; pilot bleed air to prevent soot; pilot to be interrupted after main flame is established
- Burner Design : Nozzle‑mixing line burner
- Applications : Induct firing in process heating systems (fresh or recirculated air)
- Functions : Line burner requiring external blower; gas and air are piped separately into the burner assembly
- Fuel Type : Low‑pressure natural gas
- Material : Stainless‑Steel Housings and Nickel‑Plated Bodies
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0.5EIXFSTR
6" End Inlet Crossfire Straight
0.5EIXFSTR
6" End Inlet Crossfire Straight
1.5EIXFSTR
1.5' End Inlet Crossfire Straight
1.5EIXFSTR
1.5' End Inlet Crossfire Straight
1043403
END BRKT
1043403
END BRKT
1044853
PLTD PILT END PLT
1044853
PLTD PILT END PLT
1044879
PILT AIR END CAP
1044879
PILT AIR END CAP
1044880
SS PILT AIR END CAP
1044880
SS PILT AIR END CAP
1045009
CROSSFIRE EXTL CVR PLT
1045009
CROSSFIRE EXTL CVR PLT
1045010
CROSSFIRE EXTL MTG PLT
1045010
CROSSFIRE EXTL MTG PLT
1045054
3",4" ADPT FLG
1045054
3",4" ADPT FLG
1045055
3",4" SS ADPT FLG
1045055
3",4" SS ADPT FLG
