Materials Testing
    Floor Level Cabinet OvensFloor Level Cabinet Ovens

Floor Level Cabinet Ovens

  • Grieve - CAH-400, CAH-550, CBH-400, CBH-550 and more
  • Motor control push buttons and on-off heat switch
  • LED pilot lights
  • 5 kA short circuit current rating (SCCR)

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Large, low cost, shelf processing ovens for bulky or numerous parts at temperatures to 550°F. 

Work can be placed directly on reinforced floor or shelf loaded. Work space starts at floor level for convenient loading of large items and easy access to top shelves.


  • 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


  • When processing combustible material fire protection should be considered
  • Processing flammable solvents or vapors requires forced exhaust to provide safety ventilation

Safety Equipment

  • Adjustable manual reset excess temperature interlock to turn off heat on malfunction of main temperature controller
  • 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

Electric Heat Includes

  • Separate heating element control contactors to turn off heat on malfunction of main control contactors

Gas Heat Includes

  • Modulating burner for 1000 BTU per cubic foot natural gas at 6” water column pressure – propane available. Inlet 1” NPT (1-¼ “ NPT above 350,000 BTU/hr input)
  • Automatic pre-ignition purge period to clear accumulated gas or fumes
  • Push button electric ignition
  • Microprocessor based electronic flame safeguard protection to continuously monitor flame and close gas valves if flame is not present
  • 325 CFM powered forced exhauster to provide combustion venting
  • Exhauster air flow safety switch to close gas valves on loss of venting
  • Two pilot valves to guarantee gas flow to pilot can be stopped
  • High and Low gas pressure switches to confirm safe operating pressure range
  • Two main burner safety shut off valves with valve seat position indicator to assure gas flow to main burner can be stopped
  • Proof of closure switch on one main valve to prevent igniting pilot unless main valve is closed
  • Leak test station at each pilot and main burner valve to allow testing for leakage through valve


  • Digital temperature controller
  • Motor control push buttons and on-off heat switch
  • LED pilot lights
  • 5 kA short circuit current rating (SCCR)


  • Choice of

* Recirculating air flow patterns – Horizontal or Vertical air flow

* Electric or Gas heat

* 208 volt, 230 volt or 460 volt, 3-phase, 60 HZ – other input power available

  • All welded construction
  • Durable, electrically isolated, Incoloy tubular heating elements
  • Heat source located in heat chamber to prevent radiant heating
  • High pressure carbon steel recirculating blower
  • Adjustable fresh air intake and 4” diameter (6” on Gas Heat) exhaust outlet damper
  • Channel shelf supports prevent shelves tipping
  • Insulated with 10 lbs per cubic foot density rockwool insulation
  • Aluminized steel interior
  • Aluminized steel exterior with Trilite Green enamel finish
  • Brushed stainless steel control panel face
  • Heavy duty doors with explosion venting latches
  • Slip flashing at doorway to allow inner oven to expand without affecting door sealing
  • Fully insulated 2 inch thick floor reinforced for 500 pounds distributed loading
  • Silicone rubber door gasket
  • Full coverage supply and return duct work with adjustable opposed louvers on horizontal air flow models
  • Fully assembled and factory tested for temperature uniformity


Standard & custom-made Grieve ovens in action

*** CAUTION:  Ovens processing combustible material are required by National Fire Protection Association 86 Standard for Ovens and Furnaces (NFPA 86) to have a fire suppression system.  If flammable solvents or vapors are present in an oven, OSHA requires conformance with NFPA 86 Class A Oven requirements.  A powered forced exhauster and other non-standard safety equipment must be added.

CAH-40036" x 36" x 60"4556" x 67" x 74"400°F1,6001 ½12132,0006"±0.3%±4°F20102,330 lbs
CAH-55036" x 36" x 60"4556" x 67" x 74"550°F1,6001 ½18200,0006"±0.3%±6°F34152,440 lbs
CBH-40048" x 48" x 60"8068" x 79" x 74"400°F2,000218132,0006"±0.3%±4°F18102,800 lbs
CBH-55048" x 48" x 60"8068" x 79" x 74"550°F2,000224200,0006"±0.3%±6°F29152,940 lbs
CAV-40036" x 36" x 60"4556" x 67" x 74"400°F1,000¾12132,0006"±0.3%±4°F20102,330 lbs
CAV-55036" x 36" x 60"4556" x 67" x 74"550°F1,000¾18200,0006"±0.3%±6°F34152,460 lbs
CBV-40048" x 48" x 60"8068" x 79" x 74"400°F1,200118132,0006"±0.3%±4°F18102,650 lbs
CBV-55048" x 48" x 60"8068" x 79" x 74"550°F1,200124200,0006"±0.3%±6°F29152,700 lbs