Chamber Ovens Electrically Heated or Gas-Fired

The high-performance air circulation enables optimum temperature uniformity throughout the work space.

Process Control
Chamber oven KTR 1500 with charging cart

Function and equipment

KTR1500 mit Chargierwagen.png
KTR22500S
KTR3100S
KTR6250.png
KTR_gasbeheizt
KTR3100S_Skizze
KTR_Einlegeboeden
Chargierwagen.png
KTR3100DT.png

Heating cabinets are ideal for processes in the low temperature range up to max. 150 °C, such as for drying, preheating molds and tools or tempering and curing plastics. They have a compact design and are especially suitable for large charges. They are heated with a separate heating unit that is generally located behind the heating cabinet.

  • Tmax 260 °C
  • Electrically heated (via a heating register with integrated chrome steel heating elements) or gas-fired (direct or indirect gas-fired including injection of the hot air into the intake duct)
  • Temperature uniformity up to +/− 3 °C according to DIN 17052-1 (for design without track cutouts)
  • High-quality mineral wool insulation provides for outer temperatures of < 25 °C above room temperature
  • Exclusive use of insulation materials without categorization according to EC Regulation No 1272/2008 (CLP). This explicitly means that alumino silicate wool, also known as “refractory ceramic fiber” (RCF), which is classified and possibly carcinogenic, is not used.
  • High air exchange for fast drying processes
  • Double-wing door for furnaces KTR 2300 and larger
  • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the oven and load
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive
  • Controller B500 (5 programs with 4 segments each)

Additional equipment

Additional Equipment

  • Base frame to charge the oven via a charging forklift
  • Additional door in the back for charging from both sides or to use the oven as lock between two rooms
  • Fan system for faster cooling with manual or motor-driven control of the exhaust flaps
  • Programmed opening and closing of exhaust air flaps
  • Air circulation with speed control, recommendable for processes with light or sensitive charge
  • Observation window and furnace chamber lighting
  • Safety technology according to EN 1539 (models KTR .. LS) for charges containing solvents 
  • Design for clean room heat treatment processes
  • Rotating systems e. g. for tempering processes
  • All KTR-models are also available with Tmax 300 °C
  • Process control and documentation via VCD software package or Nabertherm Control Center (NCC) for monitoring, documentation and control

Accessories

  • Adjustable plate shutters to adapt the air guide to the charge and improve temperature uniformity
    Guide-in tracks and shelves
    Shelves with 2/3 extraction with evenly distributed load on the whole shelve surface
    Platform cart in combination with drive-in tracks
    Charging cart with rack system in combination with drive-in tracks
    Sealing shoes for ovens with drive-in tracks to improve temperature uniformity in the work space

Technical specifications

Model Tmax Inner dimensions in mm Volume Outer dimensions2 in mm Heating power in kW1 Electrical
  °C w d h in l W D H KTR KTR .. LS connection*
KTR 1000 (LS) 260 1000 1000 1000 1000 1820 1430 1890 18 36 3-phase
KTR 1500 (LS) 260 1000 1000 1500 1500 1820 1430 2390 18 36 3-phase
KTR 2000 (LS) 260 1100 1500 1200 2000 1920 1930 2090 18 36 3-phase
KTR 2300 (LS) 260 1250 1250 1500 2300 2120 1680 2460 27 36 3-phase
KTR 3100 (LS) 260 1250 1250 2000 3100 2120 1680 2960 27 45 3-phase
KTR 3400 (LS) 260 1500 1500 1500 3400 2370 1930 2460 45 54 3-phase
KTR 4500 (LS) 260 1500 1500 2000 4500 2370 1930 2960 45 54 3-phase
KTR 4600 (LS) 260 1750 1750 1500 4600 2620 2175 2480 45 54 3-phase
KTR 6000 (LS) 260 2000 2000 1500 6000 2870 2430 2460 54 54 3-phase
KTR 6125 (LS) 260 1750 1750 2000 6125 2620 2175 2980 45 63 3-phase
KTR 6250 (LS) 260 1250 2500 2000 6250 2120 3035 2960 54 63 3-phase
KTR 8000 (LS) 260 2000 2000 2000 8000 2870 2430 2960 54 81 3-phase
KTR 9000 (LS) 260 1500 3000 2000 9000 2490 3870 2920 72 90 3-phase
KTR 12300 (LS) 260 1750 3500 2000 12300 2620 4350 2980 90 108 3-phase
KTR 13250 (LS) 260 1250 5000 2000 13250 2120 6170 2960 108 108 3-phase
KTR 16000 (LS) 260 2000 4000 2000 16000 2870 4850 2960 108 120 3-phase
KTR 21300 (LS) 260 2650 3550 2300 21300 3600 4195 3380 108 120 3-phase
KTR 22500 (LS) 260 2000 4500 2500 22500 3140 5400 3500 108 120 3-phase
1Depending on furnace design connected load might be higher
2External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.Outer dimensions from chamber ovens KTR .. LS are different

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Customer Test Center

What furnace is the right choice for this specific process? This question cannot always be answered easily. Therefore, we have set up our modern test center which is unique in respect to size and variety. A representative number of furnaces is available for tests for our customers.