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Class A Bench Ovens

Article No. 12569

Bench Oven Industrial 230V 400F Max

The Class A Bench Ovens are rugged bench ovens designed for a wide variety of industrial heat processing applications including those where flammable solvents or vapors will be present in the oven. Model NBS-400 meets the requirements of OSHA and National Fire Protection Association Standard 86 for Class A ovens. Not for use in hazardous locations as defined in the National Electric Code.

$11,520.00 excl. taxes & shipping cost


  • 230 Volt (21 amp), 1 phase, 50-60 HZ
  • 3-wire cord on 208 and 230 volt models
  • 460 volt models incoming power must be hardwired to control panel
  • Durable, electrically isolated, Incoloy tubular heating elements
  • Heating elements located in heat chamber to prevent radiant heating
  • Recirculating blower
  • 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
  • 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. Designed for processing maximum of 3 ounces (0.024 gallons) flammable solvents or vapors per batch at a maximum temperature of 400°F. Do not exceed this solvent volume.
  • 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
  • 35 CFM powered forced exhauster to provide safety ventilation to remove solvent vapors
  • Exhauster air flow safety switch to turn off heat on loss of safety ventilation
  • Purge timer provides time delay to allow exhauster to pull four oven volumes of air through the oven prior to turning on heat to clear any accumulated solvent fumes from oven
  • Controls: analog non-indicating temperature controller, amber pilot light to indicate blower and exhauster operation, red pilot light to indicate heater operation, on-off switch
  • For solvent based systems please fill out our oven design form Here and submit to gardco@altana.com

Technical Attributes

  • Data
    Part No.:12569
    Maximum Operating Temp:400°F
    Air Flow:Forced Convection, Side to Side
    Control Accuracy:±0.5%
    Oven Uniformity:±10°F
    Rise Time - Electric40 mins
    Rise Time - GasNot Rated
    Works Space Dimensions (WxDxH)28" x 24" x 18"
    Shelves Included:2
    Number of Shelves Max:7
    Shelf Capacity:20
    Max Load Capacity:Not Available
    Loading Method:Shelf
    Approximate Ship Weight:300 lbs
    Outside Dimensions (WxDxH):41" x 30" x 39"

More Information

Cancellation - Orders are not subject to cancellation without seller's written consent and then only upon agreement to compensate seller for loss caused by such cancellation.

Prices - All prices NET F.O.B. Shipping Point, packed for domestic shipment. Prices quoted are current in effect as of quote date. In the event of increases in prices on auxiliary operating equipment, such equipment will be involved at prices in effect on date of shipment. We reserve the right to correct all typographical or clerical errors which may be present in the prices or specifications on this quotation.

Delivery - Based on present conditions, estimated shipment can be made as shown, subject of course, to any U.S. Government restrictions. Shipment dates are approximate and based on prompt receipt of all necessary information to us by the factory. We shall not be liable for loss, damage, detention or delay caused by fire, strike, civil or military authority, insurrection or riot or for any other cause beyond our reasonable control.

Taxes - The customer is responsible for any addition which may be necessary to cover any tax or charge now existing or hereafter imposed by Federal, State, or Municipal authorities upon equipment or services herein described, or the production, sale, distribution, or delivery thereof, or upon any feature of this transaction.

Installations - All apparatus shall be installed by and at the expense of the purchaser unless otherwise stipulated. The manufacturer will furnish, at its option, engineers to supervise the installation and starting of the apparatus, if, and as, expressly stipulated in the quotation. The expenses incurred to be subject to agreement. Standard installation not requiring special technical assistance must be conducted in a timely fashion in accordance with the instructions in the manual provided with shipment.

Guarantee - This equipment is quoted and will be sold, if ordered, subject to the mutual agreement that it is warranted by the manufacturer free from defects or material and of construction, which warranty we will make good by replacement or repairing at manufacturer's factory any defective material or construction, which becomes apparent within 90 days after this equipment is received, without damage of any kind and the purchaser, by the acceptance of this equipment will assume all liability for the consequences of its use or misuse by the purchaser, his employees, or others. We make no warranty in respect to thermostats, recorders, control equipment or other accessories, except as warranted by their respective manufacturers.

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