single burners
RatioAir
Based on the technology of the ThermJet, the RatioAir is a packaged Velocity Burner utilizing high excess air and ratio control.
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Overview
The Eclipse RatioAir is a premium air heating burner ideally suited for applications that require:
Features & Benefits:
- A velocity burner with integral packaged blower
- High excess air and ratio control
- Use of unusual fuels (e.g. low Btu fuels)
- High chamber temperatures up to 2500˚F (1370˚C)
- Confined firing chambers
Features & Benefits:
- RatioAir burners are easy to install, operate and maintain
- Integral packaged blower
- High excess air and ratio control
- High chamber temperatures
- Can be disassembled from the rear without entering the firing chamber
- Quick change spark and flame rods; optional quick-change air filter
- Standard nozzles burn natural gas, propane, butane and unusual fuels
- Right or left hand piping. NPT or BSP inlet pipe threads
Specifications
Air & Combustion Air Specifications
- Air/Gas Ratio Control
- Ratio regulator with impulse line
- Excess Air Capability
- 10 to 15% at high fire
- Higher at low fire
- Combustion Air Requirements
- Fresh (20.9% O₂), clean, ≤150 deg F (65 deg C)
Performance, Flow & Capacity
- Turndown Ratio
- Wide turndown (high‑turndown option available)
Actuation, Valve & Motion Control Specifications
- Shut-Off Valves
- Automatic/manual, NFPA compliant
Standards & Certifications
- Safety Standards
- NFPA Compliant (e.g., dual gas shut-off valves)
Safety, Protection & Reliability
- Safety Features
- Air pressure switch, flame monitoring, limit switches
- Hazard Warnings
- Hot surfaces, combustion risks, crystalline silica exposure
Control, Logic & Functional Behavior
- Ratio Regulator
- Maintains air/gas ratio via impulse line
Applications & Compatibility
- Primary Application
- Direct and indirect air heating
Pressure Specifications
- Pressure Switch
- Detects low air pressure
- Fuel Pressure Range
- Must meet datasheet specs; low pressure may cause unsafe operation
Processing & Performance Metrics
- Outlet Tube Velocity
- Standard, Medium (250 ft/s), High (500 ft/s)
Mechanical Design & Adjustment Characteristics
- Loading Line
- Plastic, Braided Stainless Steel, or Rigid Stainless Tube
Ignition, Flame & Supervision Specifications
- Ignition Type
- Direct Spark Ignition (low fire or bypass start gas)
- Ignition Transformer Specs
- 6000 to 8000 VAC, ≥ 0.02 A, Full wave output
- Flame Supervision
- Flame rod (RA0025 to RA0200), UV scanner (all models)
- Flame Sensor
- Flame rod or UV scanner
- Flame Monitoring
- Individual or multiple burner control options
Fuel, Gas & Media Specifications
- Fuel Type
- Natural Gas, Propane, Butane
Motor Specifications
- Control Motor Specifications
- ≤2 rpm, ≥25 in-lb torque, 90 deg stroke, reversible
- Control Motor
- Kromschröder IC 20 actuator or bracket for customer motor
- Blower Motor Types
- NEMA (60Hz), IEC (50Hz), TEFC or automotive duty
Combustion Design & Characteristics
- Combustor Tube
- Alloy (low temp), SiC or refractory block (high temp)
- Combustion Type
- Nozzle-mix, direct or indirect fired
Combustion, Mixing & Fuel Dynamics
- Combustion Principle
- Nozzle‑mix burner
Overview
- Burner Type
- Nozzle‑mix air‑heating burner
Product Design & Configuration
- Burner Family
- RatioAir®
- Burner Design
- Modular design with various configurations
Combustion, Fuel & Mixing Sub‑Systems
- Burner Configuration
- Vertical Down, Vertical Up, Horizontal
Combustion Air, Blower & Emissions Specifications
- Blower Options
- Integrated or remote blower (SMJ series)
Operating Limits, Durability & Lifecycle
- Altitude Adjustment
- Capacity reduced ~3% per 1000 ft above sea level
Air & Combustion Air Specifications
- Air/Gas Ratio Control
- Ratio regulator with impulse line
- Excess Air Capability
- 10 to 15% at high fire
- Higher at low fire
- Combustion Air Requirements
- Fresh (20.9% O₂), clean, ≤150 deg F (65 deg C)
Performance, Flow & Capacity
- Turndown Ratio
- Wide turndown (high‑turndown option available)
Actuation, Valve & Motion Control Specifications
- Shut-Off Valves
- Automatic/manual, NFPA compliant
Standards & Certifications
- Safety Standards
- NFPA Compliant (e.g., dual gas shut-off valves)
Safety, Protection & Reliability
- Safety Features
- Air pressure switch, flame monitoring, limit switches
- Hazard Warnings
- Hot surfaces, combustion risks, crystalline silica exposure
Control, Logic & Functional Behavior
- Ratio Regulator
- Maintains air/gas ratio via impulse line
Applications & Compatibility
- Primary Application
- Direct and indirect air heating
Pressure Specifications
- Pressure Switch
- Detects low air pressure
- Fuel Pressure Range
- Must meet datasheet specs; low pressure may cause unsafe operation
Processing & Performance Metrics
- Outlet Tube Velocity
- Standard, Medium (250 ft/s), High (500 ft/s)
Mechanical Design & Adjustment Characteristics
- Loading Line
- Plastic, Braided Stainless Steel, or Rigid Stainless Tube
Ignition, Flame & Supervision Specifications
- Ignition Type
- Direct Spark Ignition (low fire or bypass start gas)
- Ignition Transformer Specs
- 6000 to 8000 VAC, ≥ 0.02 A, Full wave output
- Flame Supervision
- Flame rod (RA0025 to RA0200), UV scanner (all models)
- Flame Sensor
- Flame rod or UV scanner
- Flame Monitoring
- Individual or multiple burner control options
Fuel, Gas & Media Specifications
- Fuel Type
- Natural Gas, Propane, Butane
Motor Specifications
- Control Motor Specifications
- ≤2 rpm, ≥25 in-lb torque, 90 deg stroke, reversible
- Control Motor
- Kromschröder IC 20 actuator or bracket for customer motor
- Blower Motor Types
- NEMA (60Hz), IEC (50Hz), TEFC or automotive duty
Combustion Design & Characteristics
- Combustor Tube
- Alloy (low temp), SiC or refractory block (high temp)
- Combustion Type
- Nozzle-mix, direct or indirect fired
Combustion, Mixing & Fuel Dynamics
- Combustion Principle
- Nozzle‑mix burner
Overview
- Burner Type
- Nozzle‑mix air‑heating burner
Product Design & Configuration
- Burner Family
- RatioAir®
- Burner Design
- Modular design with various configurations
Combustion, Fuel & Mixing Sub‑Systems
- Burner Configuration
- Vertical Down, Vertical Up, Horizontal
Combustion Air, Blower & Emissions Specifications
- Blower Options
- Integrated or remote blower (SMJ series)
Operating Limits, Durability & Lifecycle
- Altitude Adjustment
- Capacity reduced ~3% per 1000 ft above sea level
- Air/Gas Ratio Control : Ratio regulator with impulse line
- Turndown Ratio : Wide turndown (high‑turndown option available)
- Shut-Off Valves : Automatic/manual, NFPA compliant
- Safety Standards : NFPA Compliant (e.g., dual gas shut-off valves)
- Safety Features : Air pressure switch, flame monitoring, limit switches
- Ratio Regulator : Maintains air/gas ratio via impulse line
- Primary Application : Direct and indirect air heating
- Pressure Switch : Detects low air pressure
- Outlet Tube Velocity : Standard, Medium (250 ft/s), High (500 ft/s)
- Loading Line : Plastic, Braided Stainless Steel, or Rigid Stainless Tube
- Ignition Type : Direct Spark Ignition (low fire or bypass start gas)
- Ignition Transformer Specs : 6000 to 8000 VAC, ≥ 0.02 A, Full wave output
- Hazard Warnings : Hot surfaces, combustion risks, crystalline silica exposure
- Fuel Type : Natural Gas, Propane, Butane
- Fuel Pressure Range : Must meet datasheet specs; low pressure may cause unsafe operation
- Flame Supervision : Flame rod (RA0025 to RA0200), UV scanner (all models)
- Flame Sensor : Flame rod or UV scanner
- Flame Monitoring : Individual or multiple burner control options
- Excess Air Capability : 10 to 15% at high fire|Higher at low fire
- Control Motor Specifications : ≤2 rpm, ≥25 in-lb torque, 90 deg stroke, reversible
- Control Motor : Kromschröder IC 20 actuator or bracket for customer motor
- Combustor Tube : Alloy (low temp), SiC or refractory block (high temp)
- Combustion Type : Nozzle-mix, direct or indirect fired
- Combustion Principle : Nozzle‑mix burner
- Combustion Air Requirements : Fresh (20.9% O₂), clean, ≤150 deg F (65 deg C)
- Burner Type : Nozzle‑mix air‑heating burner
- Burner Family : RatioAir®
- Burner Design : Modular design with various configurations
- Burner Configuration : Vertical Down, Vertical Up, Horizontal
- Blower Options : Integrated or remote blower (SMJ series)
- Blower Motor Types : NEMA (60Hz), IEC (50Hz), TEFC or automotive duty
- Altitude Adjustment : Capacity reduced ~3% per 1000 ft above sea level
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10002787
CMBSTR,ALLY,686MM LG,300MM OUTLT,SZ 7,AI
10002787
CMBSTR,ALLY,686MM LG,300MM OUTLT,SZ 7,AI
10005394-3
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10005394-3
CMBSTR,ALLY,544MM LG,300MM OUTLT,SZ 7,AI
10012506
SHIM,BDY,SZ 7
10012506
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10015028-1
PLT,DIFFSR,AIR,33% OPEN AREA
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PLT,DIFFSR,AIR,50% OPEN AREA
10015028-2
PLT,DIFFSR,AIR,50% OPEN AREA
10053451-1
KIT,LIT,RA,RA0025,ENG
10053451-1
KIT,LIT,RA,RA0025,ENG
10053451-10
KIT,LIT,RA,RA1500,ENG
10053451-10
KIT,LIT,RA,RA1500,ENG
10053451-11
KIT,LIT,RA,RA2000,ENG
10053451-11
KIT,LIT,RA,RA2000,ENG
10053451-2
KIT,LIT,RA,RA0040,ENG
10053451-2
KIT,LIT,RA,RA0040,ENG
10053451-3
KIT,LIT,RA,RA0075,ENG
10053451-3
KIT,LIT,RA,RA0075,ENG
