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LTG - Low Temperature
Gas Ovens
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Gas-Fired Radiant Tube or Open Fired
Call to get a quote, or look at the bottom of this page for leasing options!
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LTG-1830
For Tempering Steel or Heat Treating Aluminum
Temperature Range (300° F to 1200° F)
This
series of LTG (Low Temperature Gas) Furnaces was designed for
use in tool hardening shops and metallurgical technology laboratories
for tempering, or drawing hardened parts or dies. It is also suitable
for solution and precipitation treatment of aluminum and other
non-ferrous alloys where extreme accuracy and clean atmospheres
are required.
Tempering operations do not exceed 1200° F and are below the
red heat radiation range, therefore heat is transmitted to the furnace work load
by CONVECTION (passing of heated air over the work load).
The models LTG-1824 and LTG-1830 are radiant tube style
furnaces where the burner is contained in a stainless steel tube and exhausted
out the rear of the furnace. This keeps combustion by-products from being
introduced into the work chamber, thereby providing a clean atmosphere for heat
treating aluminum.
MIFCO now manufactures larger low temperature units. These
larger units are an Open Fire burner type, meaning that the burners fire in the
open air at the top of the furnace chamber.
LTG-1830 - $17744.00 plus freight
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| FURNACE MODEL |
DOOR
|
CHAMBER
|
OVERALL
|
HEARTH
|
VOLTS |
Ph. |
FLOOR
SPACE |
APPROX.
WEIGHT |
| LTG-1824 |
|
|
|
|
240/480 |
3 |
42w x 33d |
1,040 lbs. |
| LTG-1830 |
|
|
|
|
240/480 |
3 |
42w x 39d |
1,762 lbs. |
| LTG-2424-36 |
|
|
|
|
240/480 |
3 |
55w x 84d |
2,800 lbs. |
| LTG-3030-36 |
|
|
|
|
240/480 |
3 |
61w x 84d |
3,200 lbs. |
| LTG-3030-42 |
|
|
|
|
240/480 |
3 |
61w x 90d |
3,400 lbs. |
| LTG-3636-36 |
|
|
|
|
240/480 |
3 |
87w x 88d |
3,600 lbs. |
| LTG-3636-48 |
|
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|
|
240/480 |
3 |
97w x 100d |
4,400 lbs. |
| LTG-4848-48 |
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|
|
240/480 |
3 |
99w x 100d |
5,600 lbs. |
| LTG-4848-60 |
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|
|
240/480 |
3 |
99w x 112d |
6,800 lbs. |
| LTG-4848-72 |
|
|
|
|
240/480 |
3 |
90w x 124d |
7,800 lbs. |
| LTG-6060-60 |
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|
|
240/480 |
3 |
121w x 112d |
9,200 lbs. |
| LTG-6060-72 |
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|
240/480 |
3 |
121w x 124d |
10,400 lbs. |
| LTG-6060-84 |
|
|
|
|
240/480 |
3 |
121w x 136d |
11,900 lbs. |
| LTG-6060-96 |
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|
240/480 |
3 |
121w x 148d |
13,400 lbs. |
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FURNACE CONSTRUCTION
The
furnaces are constructed of heavy steel, reinforced with structural
members and welded for rigidity. Simplified design permits quick
removal or replacement of furnace components. The furnace top
plate, including the fan assembly, can be removed to expose the
heating tube and work chamber.
BURNER SYSTEM
The gas-fired radiant
tube assembly bolts to the furnace back plate and can be removed
easily for inspection or maintenance. The tube is heated by a
proportioning gas/air burner that can be adjusted for any type
of fuel gas. Automatic spark ignites the pilot which is continually
monitored by an ultra-violet scanner. The air supply is controlled
by a motorized butterfly air valve.
Larger units have multiple proportioning burners and an FM
approved valve train and safety system. These burners are open firing burners
that fire across the top of the furnace work chamber.
CIRCULATING FAN
The belt driven stainless
steel circulating fan and fan shaft utilize standard self aligning
pillow block bearings to assure long trouble free operation and
to facilitate servicing. The motor is a standard "C"
flange ball bearing motor with overload protection. The fan shaft
heat slinger, mounted below the lower bearing, prevents excess
shaft and bearing temperatures. The dual belt drive is protected
by a sheet metal guard. On the larger units, a water cooled bearing
system is utilized. Included with these units is a self contained
coolant system that requires no water or drain lines be connected
to the furnace.
CAR BOTTOM DESIGN
Car bottoms are available on models
LTG-3636-48 and larger and are hydraulically driven.
COMBUSTION SAFEGUARD
MIFCO furnishes an Ultra-Violet
Control System that is activated by the ultra-violet rays emitted
by a spark or flame. Ignition is automatic by high intensity spark
at start up. In the event of flame failure, for any reason, the
flame scanner closes the gas solenoid valve immediately and purges
the system. Manual reset is then necessary to restart the furnace.
AUTOMATIC TEMPERATURE CONTROL SYSTEM
Standard temperature control systems
consist of digital readout, micro-processor based controllers
mounted in a separate control panel. All control panels are completely
wired, ready for immediate installation.
Various programmable and recording instruments can be supplied. Some will
require special control panels.
All control panels are completely wired, ready for immediate installation.
Operating the LT Series Low Temperature Furnace, equipped
with Automatic Temperature Control and and the FM Combustion Safeguard System is
extremely simple. Just press the start button on the control panel and enter the
set point on the control instrument. Ignition and operation is completely
automatic with maximum safety.
TEMPERATURE UNIFORMITY
The LTG Convection series is a tempering or drawing furnace with
high velocity re-circulating fan. It continually bathes the work
load with evenly distributed, high velocity air, held to a constant
temperature. Built to industrial standards, the furnace will meet
the most critical metallurgical
requirements for tool room or laboratory and has excellent temperature
uniformity.
Machine Tools for Metal and Wood working
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