Bench Furnace
Bench Furnace
These furnaces provide for a variety of heat treating applications. Precision microprocessor based temperature controls and energy-saving insulation maximize the cost efficiency and performance of these rugged units. Ideal for general purpose heat treating of tools, dies and other parts.
Bench Furnace Model Specifications:
Not for use with flammable solvents, vapors, or gases.
| Model | Workspace | Outside Dimensions*(WxDxH) | Max Temp | Heat Input | Insulation Thickness | Operating Characteristics† | Door Type | Height w/ Door Open | Hearth Rating | Approx Shipping Weight | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dimensions(WxDxH) | VolumeCu Ft | ElectricKW | GasBTU/HR | Control Accuracy | Temperature Uniformity | Rise Time (Electric) | Rise Time (Gas) | ||||||||
| BF-8128 | 8" x 12" x 8" | 0.4 | 24" x 31" x 31" | 2,000°F | 4.5 | Not Available | 5" | ± 0.3% | ±15°F | 65 | Not Available | 52" | 60 | 400 lbs | |
| BF-8128-HT | 8" x 12" x 8" | 0.4 | 26" x 33" x 33" | 2,200°F | 4.5 | Not Available | 6" | ± 0.3% | ±20°F | 75 | Not Available | 54" | 60 | 485 lbs | |
| BF-12128 | 12" x 12" x 8" | 0.7 | 28" x 31" x 31" | 2,000°F | 6 | Not Available | 5" | ± 0.3% | ±15°F | 55 | Not Available | 52" | 60 | 450 lbs | |
| BF-12128-HT | 12" x 12" x 8" | 0.7 | 30" x 33" x 33" | 2,200°F | 6 | Not Available | 6" | ± 0.3% | ±20°F | 80 | Not Available | 54" | 60 | 530 lbs | |
| BF-121212 | 12" x 12" x 12" | 1 | 28" x 31" x 37" | 2,000°F | 7.5 | Not Available | 5" | ± 0.3% | ±12°F | 50 | Not Available | 66" | 60 | 500 lbs | |
| BF-121212-HT | 12" x 12" x 12" | 1 | 30" x 33" x 39" | 2,200°F | 7.5 | Not Available | 6" | ± 0.3% | ±17°F | 65 | Not Available | 68" | 60 | 600 lbs | |
| BF-12188 | 12" x 18" x 8" | 1 | 28" x 37" x 31" | 2,000°F | 7.5 | Not Available | 5" | ± 0.3% | ±10°F | 65 | Not Available | 52" | 60 | 525 lbs | |
| BF-12188-HT | 12" x 18" x 8" | 1 | 30" x 39" x 33" | 2,200°F | 7.5 | Not Available | 6" | ± 0.3% | ±15°F | 75 | Not Available | 54" | 60 | 625 lbs | |
| BF-121812 | 12" x 18" x 12" | 1.5 | 28" x 37" x 37" | 2,000°F | 12 | Not Available | 5" | ± 0.3% | ±10°F | 45 | Not Available | 66" | 60 | 550 lbs | |
| BF-121812-HT | 12" x 18" x 12" | 1.5 | 30" x 39" x 39" | 2,200°F | 12 | Not Available | 6" | ± 0.3% | ±15°F | 60 | Not Available | 68" | 60 | 650 lbs | |
| BF-12248 | 12" x 24" x 8" | 1.3 | 28" x 43" x 31" | 2,000°F | 12 | Not Available | 5" | ± 0.3% | ±10°F | 50 | Not Available | 52" | 60 | 625 lbs | |
| BF-12248-HT | 12" x 24" x 8" | 1.3 | 30" x 45" x 33" | 2,200°F | 12 | Not Available | 6" | ± 0.3% | ±15°F | 60 | Not Available | 54" | 60 | 725 lbs | |
| BF-122412 | 12" x 24" x 12" | 2 | 28" x 43" x 37" | 2,000°F | 15 | Not Available | 5" | ± 0.3% | ±10°F | 45 | Not Available | 66" | 60 | 700 lbs | |
| BF-122412-HT | 12" x 24" x 12" | 2 | 30" x 45" x 39" | 2,200°F | 15 | Not Available | 6" | ± 0.3% | ±15°F | 60 | Not Available | 68" | 60 | 800 lbs | |
† Operating Characteristics
- Accuracy as percent of controller span.
- Uniformity at 100°F below maximum temperature.
- Rise Time in minutes to 100°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.
Heat Input footnote:
Electric KW shown above in specification chart is illustrated with 230V. For 460V, reference the below:
- BF-8128 & BF-8128-HT: 6 kW
- BF-12128 & BF-12128-HT: 8 kW
- BF-121212 & BF-121212-HT: 10 kW
- BF-12188 & BF-12188-HT: 10 kW
- BF-121812 & BF-121812-HT: 16 kW
- BF-12248 & BF-12248-HT: 16 kW
- BF-122412 & BF-122412-HT: 20 kW
Specifications for Bench Furnace
| MODEL | BF-8128 |
|---|---|
| MAXIMUM OPERATING TEMP | 2,000°F |
| AIR FLOW | Radiant |
| CONTROL ACCURACY | ± 0.3% |
| OVEN UNIFORMITY | ±15°F |
| RISE TIME - ELECTRIC | 65 mins |
| RISE TIME - GAS | Not Rated |
| WORKS SPACE DIMENSIONS (WxDxH) | 8" x 12" x 8" |
| SHELVES INCLUDED | None |
| NUMBER OF SHELVES MAX | None |
| SHELF CAPACITY | None |
| MAX LOAD CAPACITY | Not Available |
| DOORS | Manual |
| LOADING METHOD | Floor |
| APPROXIMATE SHIP WEIGHT | 400 lbs |
| OUTSIDE DIMENSIONS (WxDxH) | 24" x 31" x 31" |
Standard Features for Bench Furnace
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:
- 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
- Door interlock turns off power to heating elements when door is opened to protect operator from line voltage at heating elements
Controls
- Digital temperature controller
- LED pilot light
- On-off heat switch
- 5 kA short circuit current rating (SCCR)
Construction
- 208 volt (at 80% of 230 volt heat input), 230 volt or 460 volt, 3-phase, 50/60 HZ – other input power available
- All welded construction
- High temperature Kanthal A-1 coiled wire heating elements supported in rugged ceramic plates
- Heating elements located on sidewalls and ceiling of work space for excellent temperature uniformity
- Insulated with light weight, energy saving refractory ceramic fiber
- Heavy gauge aluminized steel exterior with Trilite Green enamel finish
- Brushed stainless steel control panel face
- Gas spring assisted manually operated vertical lift door
- Door hot side faces away from operator
- Removable ceramic hearth tray
- Fully assembled and factory tested
- 1 year limited warranty
Modifications & Accessories for Bench Furnace
-
Floor Stand
Furnace accessory adding a 26″ high floor stand steel cabinet with shelf.
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Alloy Hearth Tray
Furnace accessory adding an Alloy Hearth Tray. Manufactured with heat resistant alloy that protects ceramic hearth plates from impact and heavy loading.
-
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
-
Digital Timing Temperature Controller
Modification adding a Digital Timing Temperature Controller. Microprocessor based, incorporates 99 hour 59 minute timer, starts timing temperature reaches set point and shuts down oven at end of set time.
- Digital Display, two LED, alphanumeric, 4 digit displays; 0.875″ high for temperature display and 0.500″ high for set point display
- Accuracy, ±0.1% of span plus 1 degree display error
-
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.
-
Recording Thermometer
Accessory adding a Recording Thermometer. Thermocouple actuated, includes floor stand. Recorder cannot fit in standard control panel so floor stand must be included to accommodate recorder.
-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
-
Digital Shut Down Timer
Accessory adding a Digital Shut Down Timer. Shuts down oven, selectable range, continuous “hold” feature.
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Install Customer Supplied Temperature Controller
Modification installing a customer supplied temperature controller in lieu of standard controller.
-
Digital Batch Timer
Oven modification adding a Digital Batch Timer. Uniformly timing batch operations, continuous alarm with door interlock, alarm sounds at end of preset time until door is opened or timer reset.
