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Walk-In Ovens Horizontal Air Flow Rear Mounted Heat Chamber

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Walk-In Ovens Horizontal Air Flow Rear Mounted Heat Chamber

These ovens produce heated air blown horizontally across the work space between full coverage duct work. For shelf truck loading applications with densely loaded shelves, solid bottom trays or flat sheets where heated air can only pass sideways above and below each level. Rear heat chamber for easy handling, low profile equipment.

Walk-In Ovens Horizontal Air Flow Rear Mounted Heat Chamber Model Specifications:

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.  See Class A Oven Equipment for Solvent Processing resource page, reference our FAQs or our contact us us for more information.

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)
WRH446-500 48" x 48" x 72" 96 67" x 86" x 83" 500°F 3,300 2 30 350,000 6" ±0.3% ±6°F 40 20 2,945 lbs
WRH446-650 48" x 48" x 72" 96 69" x 88" x 84" 650°F 3,300 2 40 350,000 7" ±0.3% ±8°F 45 25 3,355 lbs
WRH446-800 48" x 48" x 72" 96 73" x 90" x 86" 800°F 4,000 3 45 350,000 8" ±0.3% ±10°F 55 35 3,775 lbs
WRH566-500 60" x 72" x 72" 180 81" x 110" x 83" 500°F 4,200 3 40 350,000 6" ±0.3% ±6°F 40 20 3,930 lbs
WRH566-650 60" x 72" x 72" 180 83" x 112" x 84" 650°F 4,200 3 45 350,000 7" ±0.3% ±8°F 50 25 4,645 lbs
WRH566-800 60" x 72" x 72" 180 87" x 114" x 86" 800°F 5,000 5 60 400,000 8" ±0.3% ±10°F 50 35 4,765 lbs
WRH586-500 60" x 96" x 72" 240 83" x 134" x 83" 500°F 6,000 5 45 350,000 6" ±0.3% ±6°F 40 25 4,090 lbs
WRH586-650 60" x 96" x 72" 240 85" x 136" x 84" 650°F 6,000 5 60 400,000 7" ±0.3% ±8°F 45 30 5,005 lbs
WRH586-800 60" x 96" x 72" 240 88" x 152" x 86" 800°F 7,800 5 80 600,000 8" ±0.3% ±10°F 50 35 5,855 lbs
WRH666-500 72" x 72" x 78" 234 95" x 110" x 89" 500°F 6,000 5 45 350,000 6" ±0.3% ±6°F 40 25 4,085 lbs
WRH666-650 72" x 72" x 78" 234 97" x 112" x 90" 650°F 6,000 5 60 400,000 7" ±0.3% ±8°F 45 30 5,000 lbs
WRH666-800 72" x 72" x 78" 234 102" x 128" x 92" 800°F 7,800 5 80 600,000 8" ±0.3% ±10°F 50 35 5,860 lbs
WRH686-500 72" x 96" x 78" 312 97" x 148" x 89" 500°F 7,800 5 60 400,000 6" ±0.3% ±6°F 40 25 6,685 lbs
WRH686-650 72" x 96" x 78" 312 99" x 150" x 90" 650°F 7,800 5 80 600,000 7" ±0.3% ±8°F 45 25 7,000 lbs
WRH686-800 72" x 96" x 78" 312 104" x 152" x 92" 800°F 10,000 7 ½ 100 700,000 8" ±0.3% ±10°F 45 30 8,230 lbs
WRH6106-500 72" x 120" x 78" 390 100" x 173" x 88" 500°F 10,000 7 ½ 80 600,000 6" ±0.3% ±6°F 30 20 7,555 lbs
WRH6106-650 72" x 120" x 78" 390 102" x 174" x 89" 650°F 10,000 7 ½ 100 700,000 7" ±0.3% ±8°F 35 25 7,870 lbs
WRH6106-800 72" x 120" x 78" 390 108" x 176" x 91" 800°F 12,500 10 120 800,000 8" ±0.3% ±10°F 45 35 8,605 lbs
WRH6126-500 72" x 144" x 78" 468 104" x 197" x 88" 500°F 12,500 10 80 600,000 6" ±0.3% ±6°F 40 20 8,735 lbs
WRH6126-650 72" x 144" x 78" 468 106" x 198" x 89" 650°F 12,500 10 100 700,000 7" ±0.3% ±8°F 45 25 9,050 lbs
WRH6126-800 72" x 144" x 78" 468 116" x 206" x 91" 800°F 17,500 15 120 800,000 8" ±0.3% ±10°F 55 35 11,220 lbs
WRH688-500 72" x 96" x 96" 384 98" x 149" x 106" 500°F 10,000 7 ½ 80 600,000 6" ±0.3% ±6°F 30 20 7,550 lbs
WRH688-650 72" x 96" x 96" 384 100" x 150" x 107" 650°F 10,000 7 ½ 100 700,000 7" ±0.3% ±8°F 35 25 7,860 lbs
WRH787-500 84" x 96" x 84" 392 112" x 149" x 94" 500°F 10,000 7 ½ 80 600,000 6" ±0.3% ±6°F 35 20 8,255 lbs
WRH787-650 84" x 96" x 84" 392 114" x 150" x 95" 650°F 10,000 7 ½ 100 700,000 7" ±0.3% ±8°F 40 25 8,670 lbs
WRH7107-500 84" x 120" x 84" 490 116" x 173" x 94" 500°F 12,500 10 80 600,000 6" ±0.3% ±6°F 40 25 9,435 lbs
WRH7107-650 84" x 120" x 84" 490 118" x 174" x 95" 650°F 12,500 10 100 700,000 7" ±0.3% ±8°F 45 30 9,850 lbs
WRH7127-500 84" x 144" x 84" 588 122" x 203" x 94" 500°F 17,500 15 100 700,000 6" ±0.3% ±6°F 40 25 11,145 lbs
WRH7127-650 84" x 144" x 84" 588 124" x 204" x 95" 650°F 17,500 15 140 1,200,000 7" ±0.3% ±8°F 40 25 11,565 lbs
WRH8108-500 96" x 120" x 96" 640 132" x 179" x 106" 500°F 17,500 15 120 800,000 6" ±0.3% ±6°F 35 25 11,365 lbs
WRH8108-650 96" x 120" x 96" 640 134" x 180" x 107" 650°F 17,500 15 160 1,200,000 7" ±0.3% ±8°F 35 25 11,880 lbs
WRH8128-500 96" x 144" x 96" 768 140" x 210" x 106" 500°F 24,500 20 140 1,200,000 6" ±0.3% ±6°F 35 25 13,705 lbs
WRH8128-650 96" x 144" x 96" 768 142" x 211" x 107" 650°F 24,500 20 180 1,200,000 7" ±0.3% ±8°F 35 25 14,215 lbs

* Outside Dimensions

  • All Models: Control panel overhang 9″ right side.
  • Blower motor overhang 19″ rear through 5 HP, 26″ up to 10 HP and 30″ at 15 HP.
  • Gas Models: Burner overhang 15″ right side.
  • 325 CFM exhauster except 650 CFM at 1,200,000 BTU/HR.

† 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.

Walk-In Ovens Horizontal Air Flow Rear Mounted Heat Chamber Model Details:

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Specifications for Walk-In Ovens Horizontal Air Flow Rear Mounted Heat Chamber

MODEL WRH8128-650
MAXIMUM OPERATING TEMP 650°F
AIR FLOW Forced Convection, Side to Side
CONTROL ACCURACY ±0.3%
OVEN UNIFORMITY ±8°F
RISE TIME - ELECTRIC 35 mins
RISE TIME - GAS 25mins
WORKS SPACE DIMENSIONS (WxDxH) 96" x 144" x 96"
SHELVES INCLUDED None
NUMBER OF SHELVES MAX None
SHELF CAPACITY None
MAX LOAD CAPACITY Not Available
DOORS Manual
LOADING METHOD Cart or Truck, Floor
APPROXIMATE SHIP WEIGHT 14215 lbs
OUTSIDE DIMENSIONS (WxDxH) 142" x 211" x 107"
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Standard Features for Walk-In Ovens Horizontal Air Flow Rear Mounted Heat Chamber

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
    • 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
  • 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 (650 CFM at 1,200,000 BUT/hr input) 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
Controls
  • Digital temperature controller
  • Motor control push buttons and on-off heat switch
  • LED pilot lights
  • 5 kA short circuit current rating (SCCR)
Construction
  • Choice of
    • 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
  • Full coverage supply and return duct work with adjustable opposed louvers
  • Adjustable fresh air intake and 6” diameter exhaust outlet damper
  • Insulated with 6 lbs per cubic foot density rockwool insulation
  • Aluminized steel interior with carbon steel structural members
  • Flat plate floor (12 gauge aluminized steel to 6’ wide work space, ¼” steel plate on wider work spaces) with door sill angle for doors to seal against
  • Door sill angle can be eliminated and doors provided with drag seals
  • Provisions for installation of insulated floor and truck wheel guide tracks
  • Aluminized steel exterior with Trilite Green enamel finish
  • Brushed stainless steel control panel face
  • Exceptionally heavy duty doors, hinges and door frame with explosion venting latches
  • Expansion joints on inner doors avoid bowing
  • Fiberglass door gasket with stainless steel spring insert
  • Fully assembled and factory tested for temperature uniformity
  • 1 year limited warranty

Modifications & Accessories for Walk-In Ovens Horizontal Air Flow Rear Mounted Heat Chamber

  • Walk-In Oven Loading Truck Shelf

    Oven accessory adding a carbon steel shelf for walk-in oven shelf truck. Size and capacity determined by oven model.

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  • Flat Bed Truck

    Oven accessory adding a Flat Bed Truck with subway grate surface and removable push handle.

    Add to quote
  • Walk-In Oven Shelf Truck

    Oven accessory adding a shelf loading truck for walk-in oven. Need to specify desired capacity and material.

    Add to quote
  • Insulated Floor

    Oven modification adding a insulated floor to minimize heat loss and improve temperature uniformity. Floor thickness determined by oven model.

    Add to quote
  • Truck Tracks

    Oven modification adding floor level Truck Tracks. Truck tracks to allow truck loading through doorsill and prevent damage to sidewall louvers.

    Add to quote
  • Insulated Floor With Recessed Truck Tracks

    Oven modification adding an insulated floor with recessed truck tracks, used where oven will be loaded at factory level.

    Add to quote
  • Insulated Floor With Surface Truck Tracks

    Oven modification adding a insulated floor with surface truck tracks, used where oven will be recessed into factory floor or loaded with an external ramp.

    Add to quote
  • Programmable Temperature Controller

    Oven modification adding a programmable Temperature Controller. Microprocessor based, digital indicating, thermocouple actuated, in lieu of standard controller.

    Add to quote
  • 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.

    Add to quote

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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