GHH Series Electric Box Furnace
Molybdenum Disilicide Element Front Loading Box Furnaces 3100°F (1700°C)
- Power Type:Electric
- Available Models:6
- Customizable: Yes

What Makes the GHH Series Unique?
The GHH Series Series Electric Box Furnace is designed to deliver unmatched performance and reliability for a variety of demanding heat-treating processes.
- Ultra-High Tech Ceramics •
- The GHH model is designed specifically for high temperature technical ceramics and composite work.
- Cool Exterior •
- Double wall construction with cooling allows for low case temperatures at extremely high operating temperatures.
- Ergonomic Design •
- Front loading waist high hearth level makes for easy ergonomic loading.
- Multi Power •
- A step transforms make it possible to increase the element voltage output to help compensate for changes in resistance with age.
Comprehensive Features for Optimal Performance
The GHH 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 GHH Series
- Furnace Type
- Box
- Chamber Size
- Small - Medium
- Max Temperature
- 3100ºF / 1704ºC
- Chambers
- Single
- Chamber Circulation
- Natural Convection
- Insulation Type
- Ceramic Fiber Board
- Door Type
- Horizontal
- Door Closure
- Manual Toggle Clamps
- Element Type
- Kanthal Super (MolyD)
- Hearth Type
- Ceramic Plate
- 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 GHH Series
- Door Closure
- Pneumatic Toggle Clamps
- Atmosphere Type
- Inert
- Atmosphere Seal
- Basic
- Atmosphere Control
- Manual Rotameter, Automatic Rotameter
- Control Voltage
- 24 VDC
- Temperature Controller
- Basic Programmer, Advanced Programmer
- Data Recorder
- Addon
- Signal Tower
- Addon
- Heat Shields
- Addon
GHH Series Standard Model Sizes
The GHH 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 Name | Working Dimensions | Interior Dimensions | Exterior Dimensions | Max Power | Max Load | Total Weight | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | H | D | W | H | D | W | H | D | kW | Lbs | Lbs | |
| GHH 5 | 5 | 5 | 6 | 8 | 6 | 7 | 18 | 28 | 18 | 4 | 10 | 350 |
| GHH 8 | 8 | 8 | 10 | 13 | 9 | 12 | 16 | 36 | 30 | 5 | 30 | 650 |
| GHH 12 | 12 | 12 | 14 | 16 | 14 | 16 | 36 | 51 | 60 | 8 | 60 | 1,100 |
| GHH 14 | 14 | 10 | 20 | 18 | 111 | 23 | 38 | 48 | 66 | 13 | 100 | 1,400 |
| GHH 24 | 24 | 20 | 23 | 28 | 22 | 26 | 47 | 72 | 46 | 40 | 200 | 2,100 |
| GHH 36 | 30 | 30 | 46 | 35 | 33 | 48 | 51 | 86 | 66 | 80 | 500 | 2,900 |
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