Carbolite - Model HTK Series - Metal Insulation Chamber Furnace
From Vacuum Furnaces - Chamber Furnaces
The HTK range of Carbolite Gero high temperature furnaces consists of metallic furnaces made of Molybdenum and Tungsten.
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Product Details
The rectangular design with a front door allows for easy loading and unloading. The HTK range is available in three different sizes. The smallest designs with a capacity of 8 litres and 25 litres are typically employed by laboratories for research and development. The 80 litre furnaces are predominantly used as pilot manufacturing systems or large scale production.
The metallic furnaces constructed of tungsten (HTK W) or molybdenum (HTK MO) permit the greatest possible purity of inert atmosphere and final vacuum level in the high vacuum region (5 x 10-6 mbar). Upon request, an ultra-high vacuum can be configured. Common gases that are typically used include: Nitrogen, Argon, Hydrogen or mixtures.
The heating elements are made from the same metallic material as the insulation. The heating insulation is constructed of several radiation shields constructed from tungsten or molybdenum with respect to the furnace type selected. A retort can be utilized for gas flow guidance or to improve the temperature uniformity. The maximum temperature for the HTK W is 2200 °C and 1600 °C in the HTK MO.
Application Examples
Carbon free atmosphere, metal injection moulding (MIM), metallization, sintering
Standard Features:
- Metallic furnaces provide a precisely defined atmosphere with the highest possible purity (6 N or better)
- Metallic furnaces offer the best possible vacuum
- Hydrogen partial pressure operation if requested
- Precisely controlled vacuum pumping speeds appropriate for powders
- Data recording for quality management
Technical Details
View inside of the HTK
- frame
- water cooled vessel
- heating cassette
- groove for the sealing
- front door
- insulation
Inside the chamber, heating elements are positioned at the bottom, left, right, and top sides of the furnace chamber allowing for improved temperature uniformity. For larger volumes, the back wall and front are equipped with heating elements to maintain excellent temperature uniformity. The HTK W, HTK MO, HTK GR and HTK KE furnaces are surrounded by a water cooled vessel; thus classifying, the HTK systems as a cold wall furnace. The cooling water is guided through the double walled vessel.
Technical Details (Models)
HTK 8 MO/16-1G
- Insulation material : Molybdenum
- Volume (litres) : 8
- Tmax vacuum (°C) : 1600
- Dimensions: External H x W x D (mm) : 2100 x 1300 x 1100
- Transport weight (kg) : 1200
- Usable space :
- H x W x D usable space without retort (mm) : 200 x 200 x 200
- H x W x D usable space with retort (mm) : 200 x 180 x 180
- Thermal values : Tmax atmosphere pressure (°C) : 1600 -Delta-T between 500 and 1500°C (K) according to DIN 17052 : ± 5
- Max. heat-up rate (K/min) : 10
- Cooling time (h) : 6
- Connecting values :
- Power (kW) : 30
- Voltage (V) : 400
- Current (A) : 75
- Series fuse (A) : 3x 100
- Vacuum (option) : Leakage rate - clean, cold and empty (mbar l/s) : 5x10-3
- Vacuum range depending on the pumping unit : rough, fine or high vacuum
- Cooling water required : Volume (l/min) : 40
- Max entry temperature (°C) : 23
- Gas supply : Nitrogen or Argon, others on request (l/h) : 200-2000
- Controller : on request
HTK 25 MO/16-1G
- Insulation material : Molybdenum
- Volume (litres) : 25
- Tmax vacuum (°C) : 1600
- Dimensions: External H x W x D (mm) : 2200 x 1900 x 1800
- Transport weight (kg) : 1700
- Usable space :
- H x W x D usable space without retort (mm) : 250 x 250 x 400
- H x W x D usable space with retort (mm) : 230 x 230 x 400
- Thermal values : Tmax atmosphere pressure (°C) : 1600
- -Delta-T between 500 and 1500°C (K) according to DIN 17052 : ± 5
- Max. heat-up rate (K/min) : 10
- Cooling time (h) : 6
- Connecting values :
- Power (kW) : 80
- Voltage (V) : 400 (3P)
- Current (A) : 3x 120
- Series fuse (A) : 3x 160
- Vacuum (option) : Leakage rate - clean, cold and empty (mbar l/s) : 5x10-3
- Vacuum range depending on the pumping unit : rough, fine or high vacuum
- Cooling water required :
- Volume (l/min) : 70
- Max entry temperature (°C) : 23
- Gas supply : Nitrogen or Argon, others on request (l/h) : 200-2000
- Controller : on request
HTK 80 MO/16-1G
- Insulation material : Molybdenum
- Volume (litres) : 80
- Tmax vacuum (°C) : 1600
- Dimensions: External H x W x D (mm) : 2300 x 2100 x 2200
- Transport weight (kg) : 2000
- Usable space :
- H x W x D usable space without retort (mm) : 400 x 400 x 500
- H x W x D usable space with retort (mm) : 380 x 380 x 500
- Thermal values : Tmax atmosphere pressure (°C) : 1600
- -Delta-T between 500 and 1500°C (K) according to DIN 17052 : ± 5
- Max. heat-up rate (K/min) : 10
- Cooling time (h) : 8
- Connecting values :
- Power (kW) : 100
- Voltage (V) : 400 (3P)
- Current (A) : 3x 150
- Series fuse (A) : 3x 200
- Vacuum (option) :Leakage rate - clean, cold and empty (mbar l/s) : 5x10-3
- Vacuum range depending on the pumping unit : rough, fine or high vacuum
- Cooling water required :
- Volume (l/min) : 100
- Max entry temperature (°C) : 23
- Gas supply :Nitrogen or Argon, others on request (l/h) : 200-2000
- Controller : on request
HTK 8 W/22-1G
- Insulation material : Tungsten
- Volume (litres) : 8
- Tmax vacuum (°C) : 2200
- Dimensions: External H x W x D (mm) : 2100 x 1300 x 1100
- Transport weight (kg) : 1300
- Usable space :
- H x W x D usable space without retort (mm) : 200 x 200 x 200
- H x W x D usable space with retort (mm) : 180 x 180 x 200
- Thermal values :Tmax atmosphere pressure (°C) : 2200
- -Delta-T between 500 and 1500°C (K) according to DIN 17052 : ± 5
- Max. heat-up rate (K/min) : 10
- Cooling time (h) : 6
- Connecting values :
- Power (kW) : 45
- Voltage (V) : 400
- Current (A) : 112
- Series fuse (A) : 3x 160
- Vacuum (option) : Leakage rate - clean, cold and empty (mbar l/s)
- Vacuum range depending on the pumping unit : rough, fine or high vacuum
- Cooling water required : Volume (l/min) : 40
- Max entry temperature (°C) : 23
- Gas supply : Nitrogen or Argon, others on request (l/h) : 200-2000
- Controller : on request
HTK 25 W/22-1G
- Insulation material : Tungsten
- Volume (litres) : 25
- Tmax vacuum (°C) : 2200
- Dimensions: External H x W x D (mm) : 2200 x 1900 x 1800
- Transport weight (kg) : 1900
- Usable space :
- H x W x D usable space without retort (mm) : 250 x 250 x 400
- H x W x D usable space with retort (mm) : 230 x 230 x 400
- Thermal values : Tmax atmosphere pressure (°C) : 2200 -Delta-T between 500 and 1500°C (K) according to DIN 17052 : ± 5
- Max. heat-up rate (K/min) : 10
- Cooling time (h) : 6
- Connecting values :
- Power (kW) : 100
- Voltage (V) : 400 (3P)
- Current (A) : 3x 150
- Series fuse (A) : 3x 200
- Vacuum (option) : Leakage rate - clean, cold and empty (mbar l/s)
- Vacuum range depending on the pumping unit : rough, fine or high vacuum Cooling water required :
- Volume (l/min) : 100
- Max entry temperature (°C) : 23
- Gas supply : Nitrogen or Argon, others on request (l/h) : 200-2000
- Controller : on request
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