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GLF Series Electric Box Furnace

The GLF series electric box furnaces are capable of reaching 2,500°F (1,371°C). These medium-sized furnaces are designed for high-temperature applications involving high speed tool steels and technical ceramics. With SCR controlled heating elements and rapid heat-up times, the GLF series offers precise control and uniform temperature distribution, making it a reliable choice for high-temperature processing.

  • Power Type:Electric
  • Models:10
  • Customizable: Yes
GLF

What Makes the GLF Series Unique?

The GLF Series Series Electric Box Furnace is designed to deliver unmatched performance and reliability for a variety of demanding heat-treating processes.

Multiple Processes
With silicon carbide elements capable of reaching up to 2500°F, this furnace is perfect for a variety of demanding applications, including high-speed tool steel heat treatment and advanced ceramic processes.
Even Heating
This furnace provides even heating from both above and below the workpiece using silicon carbide elements. This design ensures uniform temperature distribution, making it ideal for applications that require consistent and precise heat treatment throughout the entire load.
Refractory Vestibule
The refractory vestibule provides excellent protection for the heating elements while ensuring a tight door seal. This design minimizes heat loss, enhances energy efficiency, and extends the lifespan of the furnace components, making it perfect for high-temperature applications.

Comprehensive Features for Optimal Performance

The GLF Series comes equipped with a robust set of standard features, carefully selected to ensure efficient and reliable heat treatment processes. For more specialized applications, optional features are available to enhance the machines capabilities and meet your specific requirements.

Standard Features

All standard features included on GLF Series

Furnace Type
Box
Chamber Size
Medium
Max Temperature
2500ºF / 1371ºC
Chambers
Single
Chamber Circulation
Natural Convection
Chamber Insulation
Firebrick
Roof Insulation
Ceramic Fiber Modules
Door Type
Horizontal
Element Type
Silicon Carbide
Hearth Type
Ceramic Plate
Hearth Support
Firebrick Piers
Atmosphere Type
Ambient Air
Control Panel Type
Free Standing
Control Voltage
120 VAC
Temperature Controller
Single Temperature
Element Power Controller
Digital SCR Control

Optional / Upgrade Features

Optional and upgraded features available on GLF Series

Door Type
Vertical (Electric), Vertical (Pneumatic)
Atmosphere Type
Inert
Atmosphere Control
Manual Rotameter, Automatic Rotameter, Mass Flow Control
Atmosphere Seal
Basic
Control Voltage
24 VDC
Temperature Controller
Basic Programmer, Advanced Programmer, PLC
AMS Compliance
AMS2750
Data Recorder
Addon
Signal Tower
Addon
High Powered Heating Elements
Addon
Heat Shields
Addon

GLF Series Standard Model Sizes

The GLF Series is available in a range of standard sizes to accommodate various load dimensions and production requirements. As with most L&L furnaces, custom sizes are available upon request. To inquire about custom sizes, please contact our sales team .

Model NameWorking DimensionsInterior DimensionsExterior DimensionsMax PowerMax LoadTotal Weight
WHDWHDWHDkWLbsLbs
GLF 524151524172726706150301752,000
GLF 814181224212426735850302252,200
GLF 824181824213026736450372252,600
GLF 836181836213038736462473253,200
GLF 236241836273038796462544503,800
GLF 244242424273626797050503003,600
GLF 248242448273626797074806005,500
GLF 3636363636395838918262956757,000
GLF 36483636483948509182741149008,200
GLF 36723636723948749182981801,3509,600

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