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Forced Convection Bench Ovens

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Forced Convection Bench Ovens

Economical ovens easily moved to various locations. For processing large parts, baking, drying components after cleaning, dehydration, preheating, curing and other applications requiring circulation of heated air.

Forced Convection Bench Ovens Model Specifications:

Not for use with flammable solvents, vapors, or gases. Other models available for these applications.

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)
NB-350 28" x 24" x 18" 7 41" x 30" x 23" 350°F Not Available NA 2 Not Rated 2" ±0.3% ±10°F 17 Not Available 210 lbs
NB-550 26" x 22" x 16" 5.3 41" x 30" x 23" 550°F Not Available NA 2.4 Not Rated 3" ±0.3% ±15°F 32 Not Available 235 lbs
DR-350 12" x 25" x 2" 0.3 41" x 30" x 23" 350°F Not Available NA 2 Not Rated 2" ±0.3% ±25°F 20 Not Available 285 lbs

Model NB-550 requires 30 ampere service on 115 volts.

† 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.

Forced Convection Bench Ovens Model Details:

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Specifications for Forced Convection Bench Ovens

MODEL DR-350
MAXIMUM OPERATING TEMP 350°F
AIR FLOW Forced Convection, Side to Side
CONTROL ACCURACY ±0.3%
OVEN UNIFORMITY ±25°F
RISE TIME - ELECTRIC 20 mins
RISE TIME - GAS Not Rated
WORKS SPACE DIMENSIONS (WxDxH) 12" x 25" x 2"
SHELVES INCLUDED 8
NUMBER OF SHELVES MAX 8
SHELF CAPACITY 20
MAX LOAD CAPACITY Not Available
DOORS Manual
LOADING METHOD Drawer
APPROXIMATE SHIP WEIGHT 285 lbs
OUTSIDE DIMENSIONS (WxDxH) 41" x 30" x 23"
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Standard Features for Forced Convection Bench Ovens

Certifications
  • Meets the Requirements of the Following Standards:
    • NFPA 86 (Standard for Ovens and Furnaces)
    • NFPA 70 (National Electric Code)
    • OSHA
  • Caution:
    • When processing combustible material fire protection should be considered
    • Processing flammable solvents or vapors requires forced exhaust to provide safety ventilation. For more information see Class A Solvent Processing page at this website
Safety Equipment
  • Hydraulic manual reset excess temperature interlock disconnects power to heaters if maximum oven temperature is exceeded
  • Electrical interlock shuts off heat if recirculating blower is turned off
Controls
  • Calibrated hydraulic temperature controller
  • Red pilot light to indicate heater operation
  • On-Off switch
Construction
  • 115 volt, 208 volt, 230 volt or 460 volt, 1-phase, 50-60 HZ
  • 3-wire cord with plug on 115 volt models (Model NB-550 requires 30 ampere service on 115 volts)
  • 3-wire cord only on 208 and 230 volt models
  • 460 volt models incoming power hardwired to control panel
  • Durable, electrically isolated, Incoloy tubular heating elements
  • Heating elements located in heat chamber to prevent radiant heating
  • Recirculating blower
  • Shelves adjustable on 2” centers
  • Model DR-350 includes eight (8) 11-3/4” wide x 25” deep x 2” high (3-1/2” total clearance) drawers with ¾” diameter perforations on 1-1/4” staggered centers; solid drawers available
  • Insulated with 6 lbs per cubic foot density rockwool insulation
  • 304 stainless steel interior with plated hardware
  • Brushed stainless steel exterior
  • Silicone rubber door gasket
  • Fully assembled and factory tested
  • 1 year limited warranty

Modifications & Accessories for Forced Convection Bench Ovens

  • Bench Oven Shelf

    Oven accessory adding an additional shelf with a maximum distributed load of 20 lbs.

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  • Drying Pans

    Oven accessory adding eight (8x) drying pans. Made from 304 stainless steel. Requires two additional shelves to fit all pans inside oven.

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  • Bench Oven Stand

    Oven modification adding a Bench Oven Stand that raises a unit to a convenient 31″ work level.

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  • Dial Thermometer

    Oven accessory adding a Dial Thermometer Range of 50 to 550 degrees F, 10 to 290 C

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  • Digital Indicating Temperature Controller

    Oven modification adding a Digital Indicating Temperature Controller. Microprocessor based, thermocouple actuated, in lieu of standard controller.

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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.

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  • 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.

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  • Recording Thermometer

    Accessory adding a Recording Thermometer. Thermocouple actuated, 10″ diameter circular chart, 24 hour chart rotation.

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  • Digital Excess Temperature Interlock

    Oven modification adding an Adjustable Digital Excess Temperature Interlock in lieu of fixed setpoint excess temperature interlock. Digital indicating, thermocouple actuated, manual reset.

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Custom Ovens

Custom ovens and furnaces tailored to your specific worksite and requirements

No two worksites are alike. That means your oven or furnace needs to be built to your exact specifications. Sometimes that will be an oven in our catalog. Otherwise, we will specially design for your application.

Custom Oven and furnace Info

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Industrial Equipment Made to Order

Your business has specific needs. We’ll make them work. We’ll build your custom oven or furnace to last for the long haul. Let’s talk.

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