Grieve standard 2000°F and
2200°F Bench Furnaces provide for a variety of heat treating applications. Precision
microprocessor based temperature controls and energy-saving insulation maximize
the cost efficiency and performance of these rugged units. Five sizes from 0.44
to 2.0 cubic feet. Ideal for general purpose heat treating of tools, dies and
other parts.
Controls
—Digital, microprocessor based, thermocouple actuated, indicating temperature controller
—On-off heat switch
—Easy-to-see pilot light
Safety Equipment
—Adjustable, thermocouple actuated, manual reset excess temperature controller
—Separate heating element control contactor
—Door interlock switch turns off power to heating elements when door is opened; restores power when door is closed
Construction
—Heavy gauge aluminized steel cabinet with enamel finish
—Brushed stainless steel control panel face
—Gas spring assisted manually operated vertical lift door
—Door hot side faces away from operator at all times
—High temperature alloy wire heating elements supported by rugged ceramic plates
—Energy-saving lightweight ceramic fiber insulation reduces operating costs
—Fast heat-up
—Heating elements located on sidewall and roof for excellent temperature uniformity throughout work space
—Ceramic hearth tray
—1 year limited warranty
All equipment fully assembled and individually factory tested
SPECIFICATIONS Back
to Top NOT FOR USE WITH FLAMMABLE
SOLVENTS OR VAPORS.
Model
Work Space
Outside Dimensions (WxDxH)
Max Temp
Insu- lation
Height w/Door Open
Heat Input KW
Operating Characteristics
Approx Shipping Weight
Model
Dimensions (WxDxH)
Volume Cu Ft
230V
460V
Control Accuracy
Furnace Uniformity
Rise Time
230V
460V
BF-8128
8" x 12" x 8"
0.44
24" x 31" x 31"
2000°F
5"
52"
4.5
6
± 0.3%
±15°F
65 min
50 min
400 lbs
BF-8128
BF-8128-HT
8" x 12" x 8"
0.44
26" x 33" x 33"
2200°F
6"
54"
4.5
6
± 0.3%
±20°F
75 min
55 min
485 lbs
BF-8128-HT
BF-12128
12" x 12" x 8"
0.67
28" x 31" x 31"
2000°F
5"
52"
6
8
± 0.3%
±15°F
55 min
45 min
450 lbs
BF-12128
BF-12128-HT
12" x 12" x 8"
0.67
30" x 33" x 33"
2200°F
6"
54"
6
8
± 0.3%
±20°F
80 min
60 min
530 lbs
BF-12128-HT
BF-121212
12" x 12" x 12"
1.0
28" x 31" x 37"
2000°F
5"
66"
7.5
10
± 0.3%
±12°F
50 min
40 min
500 lbs
BF-121212
BF-121212-HT
12" x 12" x 12"
1.0
30" x 33" x 39"
2200°F
6"
68"
7.5
10
± 0.3%
±17°F
65 min
50 min
600 lbs
BF-121212-HT
BF-12188
12" x 18" x 8"
1.0
28" x 37" x 31"
2000°F
5"
52"
7.5
10
± 0.3%
±10°F
65 min
50 min
525 lbs
BF-12188
BF-12188-HT
12" x 18" x 8"
1.0
30" x 39" x 33"
2200°F
6"
54"
7.5
10
± 0.3%
±15°F
75 min
55 min
625 lbs
BF-12188-HT
BF-121812
12" x 18" x 12"
1.5
28" x 37" x 37"
2000°F
5"
66"
12
16
± 0.3%
±10°F
45 min
35 min
550 lbs
BF-121812
BF-121812-HT
12" x 18" x 12"
1.5
30" x 39" x 39"
2200°F
6"
68"
12
16
± 0.3%
±15°F
60 min
45 min
650 lbs
BF-121812-HT
BF-12248
12" x 24" x 8"
1.33
28" x 43" x 31"
2000°F
5"
52"
12
16
± 0.3%
±10°F
50 min
40 min
625 lbs
BF-12248
BF-12248-HT
12" x 24" x 8"
1.33
30" x 45" x 33"
2200°F
6"
54"
12
16
± 0.3%
±15°F
60 min
45 min
725 lbs
BF-12248-HT
BF-122412
12" x 24" x 12"
2.0
28" x 43" x 37"
2000°F
5"
66"
15
20
± 0.3%
±10°F
45 min
35 min
700 lbs
BF-122412
BF-122412-HT
12" x 24" x 12"
2.0
30" x 45" x 39"
2200°F
6"
68"
15
20
± 0.3%
±15°F
60 min
45 min
800 lbs
BF-122412-HT
†Accuracy
as percent of controller span. Uniformity at 100°F below maximum temperature.
Rise Time in minutes to 100°F below maximum temperature. Tests run
with empty furnace. Performance will vary with load and application. See
Bulletin TC-920 for additional details.
Standard Electrical Characteristics
— 208 volts, 1 or 3-phase, 50/60 Hz
— 230 volts, 1 or 3-phase, 50/60 Hz
— 460 volts, 3-phase, 50/60 Hz
— Other electrical characteristics available
Each furnace features completely wired control panel, located under the furnace,
enclosing terminals for incoming power, temperature controller, heating element
control contactor, excess temperature controller, separate contactor interlocked
with
excess temperature controller, 115 volt control circuit transformer, on-off
heat switch and red pilot light. Door interlock switch turns off power to heating
elements when door is opened. High temperature enamel painted aluminized steel
exterior. Ceramic hearth tray rated for 60 lbs distributed loading.
Cross section through work space
(Front View)
ADDITIONAL
EQUIPMENT AVAILABLE Back
to Top
See Bulletin TC-960 for modifications and other
optional equipment.
Floor Stand,
26" High, heavy duty steel cabinet with shelf Option FS
Programmable Temperature
Controller, microprocessor based, digital indicating, thermocouple actuated,
in lieu of standard controller Option PTC
Recording Thermometer,
thermocouple actuated, 24-hour, 10" diameter circular chart, used in conjunction
with standard controller, includes floor stand to house recorder. Floor stand
cannot be used for storage Option RT
Programmable Recording
Temperature Controller, microprocessor based, thermocouple actuated, digital
display, 24-hour, 10" diameter circular chart, in lieu of standard controller,
includes floor stand to house temperature controller. Floor stand cannot be
used for storage Option PRTC
Digital Timing System,
incorporated into standard temperature controller, 99 hour 59 minute range,
starts timing at temperature set point and shuts down furnace at end of set
time Option DTS3
Shut Down Timer,
with continuous "hold" feature; 1, 5, 10 or 30 hour range Option SDT
Batch Timer, for
uniformly timing batch operations. Continuous alarm with door interlock; alarm
at end of preset time period until door is opened or timer reset; 1, 5, 10
or 30 hour range Option BT
Alloy
Hearth Tray
7"
x 11"
Option AH812
11" x 11"
Option
AH1212
11" x 17"
Option
AH1218
11" x 23"
Option
AH1224
Quench Tank,
carbon steel, 40 gallon capacity, 12" x 20" x 12" deep work basket,
subway grating basket support, 1/2 HP direct driven mixer, 23” x 23”
x 44” high overall, for 115 or 230/1/60 Option QT
Quench Tank
Electric Heater, with temperature control Option QTH
