Specifications - Carbolite GHA Installation, Operation & Maintenance Instructions Manual

9.0 S
PECIFICATIONS
9.1 Models Covered by this Manual
GHA models – horizontal single-zone tube furnaces with controls in integral base
GVA models – versatile single-zone tube furnaces with controls in integral base
GHC models – horizontal three-zone tube furnaces with controls in integral base
GVC models – versatile three-zone tube furnaces with controls in integral base
All models have cylindrical elements with wire formed in the surface of the insulation material.
All models have can accept work tubes up to a maximum outside diameter of 170mm.
All models have a maximum operating temperature of 1200°C (1100° continuous).
Model names are of the type "GHA 12/300" where 300 is the heated length. Sizes range from
300mm heated length (GHA/GVA) or 450mm (GHC/GVC) to 1200mm (all models).
Heated
Length
(mm)
300
450
500
750
900
1050
1200
1500
Work tubes may be supplied in any commercially available size up to the maximum of 170mm
o/d. Type C protrudes about 40mm from each end of the furnace (from the end guards), while type
D allows for the fitting of gas seals or other attachments.
9.2 Environment
The furnaces contain electrical parts and should be stored and used in indoor conditions as
follows:
temperature:
relative humidity:
MF48 -1.18
Carbolite reserves the right to change specifications without notice.
Max. Minimum
Power work tube
length
(W) (mm)
2340 480
3120 630
3900 780
4680 930
5460 1080
6240 1230
7020 1380
8580 1530
5°C - 40°C
maximum 80% up to 31°C decreasing linearly to 50% at 40°C
Type C Type D
work tube work tube
(mm) (mm)
600 900
750 1050
900 1200
1050 1350
1200 1500
1350 1650
1500 1800
1800 2100
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