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Walk-In Ovens 		 
BULLETIN
WI-512

WALK-IN BATCH OVEN
HORIZONTAL AIR FLOW
REAR HEAT CHAMBER




Circulation Diagram
(Top View)
SPECIFICATIONS CAUTION: WALK-IN BATCH OVENS PROCESSING COMBUSTIBLE MATERIAL ARE REQUIRED BY NATIONAL FIRE PROTECTION ASSOCIATION STANDARD 86 TO HAVE A FIRE SUPPRESSION SYSTEM. IF FLAMMABLE SOLVENTS OR VAPORS ARE PRESENT IN A WALK-IN BATCH OVEN, OSHA REQUIRES CONFORMANCE WITH NFPA 86 WHICH DEFINES WALK-IN BATCH OVENS FOR THESE APPLICATIONS AS CLASS A OVENS. A POWERED FORCED EXHAUSTER AND OTHER NON-STANDARD SAFETY EQUIPMENT MUST BE ADDED. SEE BULLETIN TC-940 AND CONSULT FACTORY.
Model
Work Space
Outside
Dimensions*
(WxDxH)
Max
Temp
Blower
Insu-
lation
Heat Input
Operating Characteristics†
Approx
Shipping
Weight
Dimensions
(WxDxH)
Volume
Cu Ft
CFM
HP
KW
BTU/HR
Control
Accuracy
Oven
Uniformity
Rise Time
Electric Gas
WRH446-500 48" x 48" x 72" 96    67" x 86" x 83" 500°F 3300   2 4" 30 250,000   ±0.3% ±6°F      40 min 20 min 2945  
WRH446-650 48" x 48" x 72" 96    69" x 88" x 84" 650°F 3300   2 5" 40 300,000   ±0.3% ±8°F      45 min 25 min 3355  
WRH446-800 48" x 48" x 72" 96    73" x 90" x 86" 800°F 4000   3 6" 45 350,000   ±0.3% ±10°F      55 min 35 min 3775  
WRH566-500 60" x 72" x 72" 180    81" x 110" x 83" 500°F 4200   3 4" 40 300,000   ±0.3% ±6°F      40 min 20 min 3930  
WRH566-650 60" x 72" x 72" 180    83" x 112" x 84" 650°F 4200   3 5" 45 350,000   ±0.3% ±8°F      50 min 25 min 4645  
WRH566-800 60" x 72" x 72" 180    87" x 114" x 86" 800°F 5000   5 6" 60 400,000   ±0.3% ±10°F      50 min 35 min 4765  
WRH586-500 60" x 96" x 72" 240    83" x 134" x 83" 500°F 6000   5 4" 45 350,000   ±0.3% ±6°F      40 min 25 min 4090  
WRH586-650 60" x 96" x 72" 240    85" x 136" x 84" 650°F 6000   5 5" 60 400,000   ±0.3% ±8°F      45 min 30 min 5005  
WRH586-800 60" x 96" x 72" 240    88" x 152" x 85" 800°F 7800   5 6" 80 600,000   ±0.3% ±10°F      50 min 35 min 5855  
WRH666-500 72" x 72" x 78" 234    95" x 110" x 89" 500°F 6000   5 4" 45 350,000   ±0.3% ±6°F      40 min 25 min 40 85  
WRH666-650 72" x 72" x 78" 234    97" x 112" x 90" 650°F 6000   5 5" 60 400,000   ±0.3% ±8°F      45 min 30 min 5000  
WRH666-800 72" x 72" x 78" 234    102" x 120" x 92" 800°F 7800   5 6" 80 600,000   ±0.3% ±10°F      50 min 35 min 5860  
WRH686-500 72" x 96" x 78" 312    97" x 148" x 89" 500°F 7800   5 4" 60 400,000   ±0.3% ±6°F      40 min 25 min 6685  
WRH686-650 72" x 96" x 78" 312    99" x 150" x 90" 650°F 7800   5 5" 80 600,000   ±0.3% ±8°F      45 min 25 min 7000  
WRH686-800 72" x 96" x 78" 312    104" x 152" x 92" 800°F 10,000   7-1/2 6" 100 700,000   ±0.3% ±10°F      45 min 30 min 8230  
WRH6106-500 72" x 120" x 78" 390    100" x 173" x 88" 500°F 10,000   7-1/2 4" 80 600,000   ±0.3% ±6°F      30 min 20 min 7555  
WRH6106-650 72" x 120" x 78" 390    102" x 174" x 89" 650°F 10,000   7-1/2 5" 100 700,000   ±0.3% ±8°F      35 min 25 min 7870  
WRH6106-800 72" x 120" x 78" 390    108" x 176" x 91" 800°F 12,500   10 6" 120 800,000   ±0.3% ±10°F      45 min 35 min 8605  
WRH6126-500 72" x 144" x 78" 468    104" x 197" x 88" 500°F 12,500   10 4" 80 600,000   ±0.3% ±6°F      40 min 20 min 8735  
WRH6126-650 72" x 144" x 78" 468    106" x 198" x 89" 650°F 12,500   10 5" 100 700,000   ±0.3% ±8°F      45 min 25 min 9050  
WRH6126-800 72" x 144" x 78" 468    116" x 206" x 91" 800°F 17,500   15 6" 120 800,000   ±0.3% ±10°F      55 min 35 min 11,220  
WRH688-500 72" x 96" x 96" 384    98" x 149" x 106" 500°F 10,000   7-1/2 4" 80 600,000   ±0.3% ±6°F      30 min 20 min 7550  
WRH688-650 72" x 96" x 96" 384    100" x 150" x 17" 650°F 10,000   7-1/2 5" 100 700,000   ±0.3% ±8°F      35 min 25 min 7860  
WRH787-500 84" x 96" x 84" 392    112" x 149" x 94" 500°F 10,000   7-1/2 4" 80 600,000   ±0.3% ±6°F      35 min 20 min 8255  
WRH787-650 84" x 96" x 84" 392    114" x 150" x 95" 650°F 10,000   7-1/2 5" 100 700,000   ±0.3% ±8°F      40 min 25 min 8670  
WRH7107-500 84" x 120" x 84" 490    116" x 173" x 94" 500°F 12,500   10 4" 80 600,000   ±0.3% ±6°F      40 min 25 min 9435  
WRH7107-650 84" x 120" x 84" 490    118" x 174" x 95" 650°F 12,500   10 5" 100 700,000   ±0.3% ±8°F      45 min 30 min 9850  
WRH7127-500 84" x 144" x 84" 588    122" x 203" x 94" 500°F 17,500   15 4" 100 700,000   ±0.3% ±6°F      40 min 25 min 11,145  
WRH7127-650 84" x 144" x 84" 588    124" x 204" x 95" 650°F 17,500   15 5" 140 1,200,000   ±0.3% ±8°F      40 min 25 min 11,565  
WRH8108-500 96" x 120" x 96" 640    132" x 179" x 106" 500°F 17,500   15 4" 120 800,000   ±0.3% ±6°F      35 min 25 min 11,365  
WRH8108-650 96" x 120" x 96" 640    134" x 180" x 107" 650°F 17,500   15 5" 160 1,200,000   ±0.3% ±8°F      35 min 25 min 11,880  
WRH8128-500 96" x 144" x 96" 768    140" x 210" x 106" 500°F 24,500   20 4" 140 1,200,000   ±0.3% ±6°F      35 min 25 min 13,705  
WRH8128-650 96" x 144" x 96" 768    142" x 211" x 107" 650°F 24,500   20 5" 180 1,200,000   ±0.3% ±8°F      35 min 25 min 14,215  
*All Models—Control panel overhang 9" right side.
Blower motor overhang 19" rear through 5 HP, 26" up to 10 HP, 30" at 15 HP, and 36" at 20 HP.
Gas Models—Burner overhang 15" right side
325 CFM exhauster except 650 CFM at 1,200,000 BTU/HR 		  †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. See Bulletin TC-920 for additional details.
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Specifications Subject to Change Without Notice
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