Inert Atmosphere Ovens
Inert Atmosphere Ovens
These ovens protect parts from oxidation using any non-flammable gas such as Nitrogen, Argon or Carbon Dioxide. Horizontal air flow completely surrounds work on shelves or large parts placed directly on the optional reinforced work space bottom. Includes cooling jacket which can be equipped with optional cooling blower and automatic dampers. Installation of optional atmosphere purge solenoid, cooling blower and programming temperature controller provides completely automatic sequencing.
Inert Atmosphere Ovens Model Specifications:
Not for use with flammable solvents, vapors, or gases.
| Model | Workspace | Outside Dimensions*(WxDxH) | Max Temp | Blower | Heat Input | Insulation Thickness | Operating Characteristics† | Approx Shipping Weight | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dimensions(WxDxH) | VolumeCu Ft | CFM | HP | ElectricKW | GasBTU/HR | Control Accuracy | Temperature Uniformity | Rise Time (Electric) | Rise Time (Gas) | |||||
| IA-550 | 24" x 24" x 24" | 8 | 44" x 55" x 50.6" | 550°F | 400 | ⅓ | 9 | Not Rated | 6" | ±0.3% | ±5°F | 23 | Not Available | 1,075 lbs |
| IA-750 | 24" x 24" x 24" | 8 | 48" x 59" x 52.6" | 750°F | 400 | ⅓ | 12 | Not Rated | 8" | ±0.3% | ±8°F | 35 | Not Available | 1,250 lbs |
| IB-550 | 24" x 36" x 24" | 12 | 44" x 67" x 50.6" | 550°F | 400 | ⅓ | 9 | Not Rated | 6" | ±0.3% | ±5°F | 30 | Not Available | 1,315 lbs |
| IB-750 | 24" x 36" x 24" | 12 | 48" x 71" x 52.6" | 750°F | 400 | ⅓ | 12 | Not Rated | 8" | ±0.3% | ±8°F | 57 | Not Available | 1,510 lbs |
| IC-550 | 36" x 36" x 36" | 27 | 56" x 67" x 62.6" | 550°F | 600 | ½ | 12 | Not Rated | 6" | ±0.3% | ±5°F | 39 | Not Available | 1,700 lbs |
| IC-750 | 36" x 36" x 36" | 27 | 60" x 71" x 64.6" | 750°F | 600 | ½ | 18 | Not Rated | 8" | ±0.3% | ±8°F | 55 | Not Available | 2,060 lbs |
| ID-550 | 36" x 48" x 36" | 36 | 56" x 79" x 62.6" | 550°F | 600 | ½ | 12 | Not Rated | 6" | ±0.3% | ±5°F | 52 | Not Available | 2,180 lbs |
| ID-750 | 36" x 48" x 36" | 36 | 60" x 83" x 64.6" | 750°F | 600 | ½ | 18 | Not Rated | 8" | ±0.3% | ±8°F | 73 | Not Available | 2,540 lbs |
† Operating Characteristics
- Accuracy as percent of controller span.
- Uniformity at 50°F below maximum temperature.
- Rise Time in minutes to 50°F below maximum temperature.
- Tests run with empty oven and minimum exhaust.
- Performance will vary with load and application.
- See Control & Instrumentation Summary for additional details.
Specifications for Inert Atmosphere Ovens
| MODEL | IB-750 |
|---|---|
| MAXIMUM OPERATING TEMP | 750°F |
| AIR FLOW | Forced Convection, Horizontal |
| CONTROL ACCURACY | ±0.3% |
| OVEN UNIFORMITY | ±8°F |
| RISE TIME - ELECTRIC | 57 mins |
| RISE TIME - GAS | Not Rated |
| WORKS SPACE DIMENSIONS (WxDxH) | 24" x 36" x 24" |
| SHELVES INCLUDED | 2 |
| NUMBER OF SHELVES MAX | 7 |
| SHELF CAPACITY | 100 |
| MAX LOAD CAPACITY | Not Available |
| DOORS | Manual |
| LOADING METHOD | Shelf |
| APPROXIMATE SHIP WEIGHT | 1510 lbs |
| OUTSIDE DIMENSIONS (WxDxH) | 48" x 71" x 52.6" |
Standard Features for Inert Atmosphere Ovens
Certifications
- UL Listed Control Panel
- Meets the Requirements of the Following Standards:
- NFPA 86 (Standard for Ovens and Furnaces)
- NFPA 70 (National Electric Code)
- FM (Factory Mutual)
- OSHA
- Caution:
- For use with inert atmospheres only cannot be used with flammable gases
- When processing combustible material fire protection should be considered
- Not for use with flammable solvents or vapors. Other models available for these applications. For more information see Class A Solvent Processing page at this website
Safety Equipment
- Adjustable manual reset excess temperature interlock to turn off heat on malfunction of main temperature controller
- Separate heating element control contactors to turn off heat on malfunction of main control contactors
- Recirculating blower air flow safety switch to turn off heat on loss of recirculated air flow
- Electrical interlock shuts off heat if power to recirculating blower is interrupted
Controls
- Digital temperature controller
- Motor control push buttons and on-off heat switch
- LED pilot lights
- 5 kA short circuit current rating (SCCR)
Construction
- 208 volt, 230 volt or 460 volt, 3-phase, 60 HZ – other input power available
- All welded construction – interior seams welded gas-tight
- Durable, electrically isolated, Incoloy tubular heating elements
- Heating elements located in heat chamber to prevent radiant heating
- High pressure carbon steel recirculating blower with exterior blower shaft seal
- Wall penetrations through pipes welded at inside wall and fitted with compression fitting at outside of oven
- Inert atmosphere inlet (½” NPT) with pressure regulator to maintain positive pressure within oven
- Oven atmosphere outlet with pressure relief that can be manually opened to increase inert gas flow to purge air from oven
- 0 to 200 cubic foot per hour atmosphere flow meter
- 0 to 3” water column pressure gauge to display internal pressure
- Air jacket on inner oven walls for forced cooling
- Channel shelf supports prevent shelves tipping
- Insulated with 10 lbs per cubic foot density rockwool insulation
- 16 gauge 304 stainless steel interior with plated hardware
- Aluminized steel exterior with Trilite Green enamel finish
- Brushed stainless steel control panel face
- Heavy duty doors with adjustable offset door hinges allowing adjustment to maintain gas tight seal
- Inner oven walls extended through oven throat area to seal directly against silicone rubber door seal
- Adjustable, 2-point, cam action positive latching door hardware
- Fully assembled and factory tested for temperature uniformity
- 1 year limited warranty
Modifications & Accessories for Inert Atmosphere Ovens
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Nickel Plated Carbon Steel Shelf
Oven accessory adding a nickel plated carbon steel shelf with maximum distributed load of either 50lbs 100lbs, or 200lbs depending on the oven model.
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Stainless Steel Shelf
Oven accessory adding a Stainless Steel Shelf with maximum distributed load of either 50lbs, 100lbs or 200lbs depending on oven model.
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Integral Oven Legs
Oven modification adding integral oven legs. Includes steel plate shelf.
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Removable Oven Stand
Oven modification adding a removable oven stand. Includes steel plate shelf.
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Reinforced Workspace Bottom
Oven modification adding a reinforced workspace bottom of 500 lbs. capacity at removable subway grate; reduces available work space height by 1″.
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Programmable Temperature Controller
Oven modification adding a programmable Temperature Controller. Microprocessor based, digital indicating, thermocouple actuated, in lieu of standard controller.
-Program Parameters: 40 profiles of up to 50 steps each, a real-time clock with battery backup to allow starting profile at any time of day
-Digital Display, 4.3” color touch screen
-Accuracy, ±0.1% of span plus 1 degree display error
-Connectivity, Relay output for alarm or other notification, two (2) USB ports, Ethernet compatible
Also Available:
-Up to four (4) control channels of temperature, relative humidity or vacuum
-Monitor up to16 sensors
-Math and logic functions
-Digital inputs and outputs
-Data logging
-Graphic Trending
-
Recording Thermometer
Accessory adding a Recording Thermometer. Thermocouple actuated.
- Record: 10″ diameter circular chart 24 hour chart rotation
- Digital Display: 0.56″ high, LED, alphanumeric, 4 digit display; LED status display
- Accuracy: ±0.25%of span plus 1 degree display error
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SCR Power Controller
Electrical modification adding an SCR Power Controller. Features:
•Silicon controlled rectifier power controllers are completely solid state industrial controllers that ensure precise proportioning of electric power to the heating elements.
•Oven temperature is maintained smoothly and evenly over the entire temperature range of the unit.
•SCR power controllers minimize maintenance, as there are no moving parts or electrical contacts to wear out.
•Heating element fatigue is reduced since the elements do not cool between releases of electric power.
•Zero voltage firing, including the first one half cycle of voltage, minimizes radio frequency and electromagnetic interference.
•Transient voltage suppressor networks are included, and the units are provided with protective fusing.
-
Digital Shut Down Timer
Accessory adding a Digital Shut Down Timer. Shuts down oven, selectable range, continuous “hold” feature.
Custom Ovens
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Special Inert Atmosphere Walk-In Oven
Serial #: 6603723′ x 13′ x 3′ oven includes flatbed loading truck and transfer dolly
- MAX TEMP: 650ºF
- WORKSPACE DIMS (WxDxH): 36" x 156" x 48"
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Modified Model HY-550 with Inert Atmosphere Construction
Serial #: 750037Horizontal air flow oven constructed for use with nitrogen atmosphere
- MAX TEMP: 500ºF
- WORKSPACE DIMS (WxDxH): 38" x 38" x 38"
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Model IB-750 Inert Atmosphere Oven
Serial #: 770035Integral leg stand and top mounted control panel
- MAX TEMP: 750ºF
- WORKSPACE DIMS (WxDxH): 24" x 36" x 24"
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Inert Atmosphere Walk-In Oven
Serial #: 112395A0714White epoxy finish and insulated floor with truck wheel guide tracks
- MAX TEMP: 500ºF
- WORKSPACE DIMS (WxDxH): 60" x 72" x 84"
