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Vacuum Ovens

BULLETIN
VO-150

DUAL PURPOSE
HIGH TEMPERATURE
VACUUM OVENS


 

Versatile Grieve Vacuum Ovens can be used for process drying under vacuum or standard atmospheric conditions. High reliability operation from UL Listed hydraulic primary and back-up safety thermostats. Four models, three chamber sizes to choose from.

STANDARD FEATURES Back to Top

—Temperatures to 280°C (536°F)
—Hydraulic primary control thermostat
—Second, independent safety thermostat provides excess temperature interlock
—Radiant wall heating provides uniform temperature and total use of work space
—Vacuum gauge, control and release valves
—Full-view tempered safety glass window
—304 stainless steel interior
—Powder coated Heavy gaugesteel exterior
—Two (2) removable, solid aluminum shelves
—Secure latch and silicone rubber door gasket provide tight seal
—3" of glass wool insulation insures minimum heat loss
—3-wire line cord
—Work space thermometer
—1 year limited warranty



Model VF-220
Square chamber vacuum oven with stainless steel work space, 10" wide x 12" deep x 10" high, with two(2) solid aluminum shelves. Temperatures to 220°C (428°F).

Model VK-220
Same as Model VF-220 above except work space is 14" wide x 20" deep x 14" high.

Model VC-280
Square chamber vacuum oven with bottom mounted control panel utilizes available bench space to maximum advantage. Stainless steel work space, 10" wide x 11 1/2" deep x 10" high, with two(2) fully adjustable chrome-plated shelves. Temperatures to 280°C (536°F).

Model VL-280
Square chamber vacuum oven with side mounted control panel. Stainless steel work space, 12" wide x 18" deep x 12" high to accommodate larger loads, with two(2) fully adjustable chrome-plated shelves. Temperatures to 280°C (536°F)

   
SPECIFICATIONS Back to Top
 NOT FOR USE WITH FLAMMABLE SOLVENTS, VAPORS OR GASES.
Model
Work Space
Total Shelf
Area
Outside
Dimensions
(WxDxH)
Max
Temp
Number
of
Shelves
Insu-
lation
Watts
Operating Characteristics†
Approx
Shipping
Weight
Dimensions
Volume
Cu Ft
Control
Accuracy
Oven
Uniformity
Rise Time
VF-220 10"W x 12"D x 10"H 0.7 224 sq in 20" x 17" x 16" 220°C 2 3" 600 ± 1°C ± 5°C 90 min 130 lbs 
VK-220 14"W x 20"D x 14"H 2.3 536 sq in 26" x 25" x 22" 220°C 2 3" 1600 ± 1°C ± 5°C 120 min 295 lbs 
VC-280 10"W x 11.5"D x 10"H 0.7 260 sq in 18" x 17.5" x 23" 280°C 2 3" 1700 ±1°C ± 1°C N/A 90 lbs
VL-280 12"W x 18"D x 12"H 1.5 448 sq in 23" x 26" x 22" 280°C 2 3" 1400 ±2°C ± 5°C N/A 205 lbs
STANDARD EQUIPMENT   Back to Top
  †Accuracy and uniformity at 100°C. Rise Time in minutes to 100°C. Tests run with empty oven. Performance will vary with load and application. See Bulletin TC-920 for additional details. N/A indicates information not available.
Standard Electrical Characteristics
— 120 volts, 50-60 Hz, 3-wire cord and plug
— 240 volts, 50-60 Hz, 3-wire cord (Can be operated on 208 volts. Heat input will be reduced by 20%.)


MODELS VF-220 AND VK-220
Vacuum levels precisely controlled between 2" and 30" Hg; three-way valve for easy evacuation and flushing; side mounted control panel with all controls and vacuum line connections in a single, convenient location; vacuum gauge, hydraulic control thermostat with pilot light and built-in ecess temperature interlock; power switch is a combination circuit breaker and pilot light; dial thermometer inside oven.
Shelves in Model VF-220 rated 20 lbs distributed loading; maximum 40 lbs oven load. Shelves in Model VK-220 rated 30 lbs distributed each; maximum oven load of 60 lbs.
Models VF-220 and VK-220, 240 volt ovens only, carry label unless digital vacuum display is added.


MODELS VC-280 AND VL-280
Bottom mounted control panel with vacuum gauge reading to 30" Hg; vacuum control valve, 1/4" connectors, vacuum release valve, hydraulic control thermostat with pilot light, adjustable excess temperature interlock with pilot light, line switch with pilot light and circuit breaker; dial thermometer inside oven. Shelves rated 25 lbs distributed loading; 50 lbs maximum oven load.




 


 


 
ADDITIONAL EQUIPMENT AVAILABLE Back to Top
ALL MODELS
Vacuum Pump, complete with 6 feet of 1/4" I.D. vacuum hose.
 
  Single Cylinder, 1/6 HP, capable of 1.8 CFM of free air at 0" Hg vacuum and a maximum vacuum of 27.5" Hg with muffler, thermal protection, carrying handle, foot support and electric cord.
  115 volts/60 Hz  ............................................................. Option SC160
  230 volts/60 Hz  ............................................................. Option SC260
  220 volts/50 Hz  ............................................................. Option SC250
 
Twin Cylinder, 1/3 HP, capable of 4.5 CFM of free air at .0" HG vacuum and a maximum vacuum of 28" Hg, oil-less rocking piston pump, with rubber feet and electric cord.
  115 volts/60 Hz  ............................................................. Option TC160
  220 volts/50 Hz  ............................................................. Option TC250
 
VK SERIES ONLY
  Digital Temperature Display..........................................Option DTD

 
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Specifications Subject to Change Without Notice
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