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  W 3300/85S with chain drive Bogie hearth furnace with air circulation W 19150/60AS for tempering of semi-finished borosilicate glass products

Cooling fan for accelerated cooling

W 10430/85AS in custom sizes

Bogie hearth furnaces with powerful air circulation are used when an optimal temperature uniformity in the low temperature range is required. They are particularly useful for processes like glass tempering or cooling. With the wide range of additional equipment the furnaces can be individually adapted to the individual process. 

  • Tmax 600  °C or 850  °C
  • Dual shell housing with rear ventilation provides for low shell temperatures for the 850  °C models
  • Swing door hinged on the right side
  • Heating from chrome steel heating elements in the intake area of the air circulation system for the 600  °C models
  • Heating from three sides (both side walls and the trolley) for the 850  °C models
  • High-performance air circulation fan with vertical circulation
  • Temperature uniformity up to ∆T 10 K according to DIN 17052-1
  • Bottom heating protected by SiC tiles on the bogie providing level stacking surface for the 850  °C models
  • Furnace chamber fitted with inner sheets made of stainless steel 1.4301 for 600  °C models and of 1.4828 for 850  °C models
  • Insulation structured with high-quality mineral wool for 600  °C models
  • Insulation made of high-quality, non-classified fiber material for 850  °C models
  • Bogies with flanged wheels running on rails for easy and precise movement of heavy loads
  • Electric chain-driven bogie in combination with rail operation for smooth movement of heavy loads from model W 4800
  • Over-temperature limiter with manual reset for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load

Additional equipment

  • Direct gas heating or upon request with indirect gas heating with radiation tube
  • Custom-built sizes
  • Electric chain-driven bogie in combination with rail operation for smooth movement of heavy loads up to Model W 4000
  • Optimization of the temperature uniformity up ∆T 6 K according to DIN 17052-1
  • Bogie running on steel wheels with gear rack drive, no rails in front of the furnace necessary
  • Different possibilities for an extension to a bogie hearth furnace system:
    • Additional bogies
    • Bogie transfer system with parking rails to exchange bogies running on rails or to connect multiples furnaces
    • Motor-driven bogies and cross-traversal system
    • Fully automatic control of the bogie exchange
  • Electro-hydraulic lift door
  • Motor-driven exhaust air flaps, adjustable via the program
  • Uncontrolled or controlled cooling system with frequency-controlled cooling fan and motor-driven exhaust air flap
  • Multi-zone control adapted to the particular furnace model provides for optimum temperature uniformity in the 850  °C models
  • Commissioning of the furnace with test firing and temperature uniformity measurement (also with load) for the purpose of process optimization
  • Designed for Tmax 950  °C, fan blade driven indirectly via a belt to protect the air recirculation motor against over-heating
  • Process documentation and control with Controltherm MV software package and the Nabertherm NCC control center for monitoring, documentation and control
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmConnectedElectrical
 °Cwdhin lWDHload/kWconnection*
W 1000/.. A   800 1600 800 1000 1800 2390 2305 50.0 3-phase
W 1600/.. A   1000 1600 1000 1600 2000 2390 2535 50.0 3-phase
W 2200/.. A   1000 2250 1000 2200 2000 3040 2535 95.0 3-phase
W 3300/.. A 600 1200 2250 1200 3300 2200 3040 2745 95.0 3-phase
W 4000/.. A or 1500 2250 1200 4000 2500 3040 2780 120.0 3-phase
W 4800/.. A 850 1200 3300 1200 4800 2200 4090 2780 120.0 3-phase
W 6000/.. A   1500 3300 1200 6000 2500 4090 2900 156.0 3-phase
W 6600/.. A   1200 4600 1200 6600 2200 5390 2770 152.0 3-phase
W 7500/.. A   1400 3850 1400 7500 2400 4640 2980 154.0 3-phase
W 8300/.. A   1500 4600 1200 8300 2500 5390 2780 203.0 3-phase
*Please see page 61 for more information about supply voltage
 

Chamber Ovens and Dryers, Electrically Heated or Gas-Fired Heat Soak Test Ovens for Toughened Safety Glass (TSG)

N 4010/45 HA N 12000/26 HA with individual custom measurements

2 x N 10000/45HA

N 2880/60HAS for glass cooling with frame for opening of individual chamber segments

Adjustable air outlets for optimization of the temperature uniformity

Temperature recording in accordance with EN 14179-1

N 560/26.. - N 10000/45…

These chamber ovens are available for maximum working temperatures of 260 °C or 450 °C. They are suitable for numerous processes such as pre-heating of moulds, ageing or drying. The version suitable for temperatures up to 450 °C is recommended for Heat Soak testing of Toughened Safety Glass (TSG). During a Heat Soak Test in accordance with EN 14179-1 the panes are exposed to a temperature of 290 °C for at least four hours in order to transform nickel sulfide inclusions and hence to prevent the pane from breaking spontaneously later. The documentation of the heat treatment process is strongly recommended. Program entry, visualization and the documentation of the process are achieved by means of the PLC-control in combination with the powerful Nabertherm Control Center (NCC), which registers and archives the temperatures at different measuring points on the pane.

  • Tmax 260 °C or 450 °C
  • Heated electrically or with gas
  • Electrical heating by means of heater coils
  • Direct gas heating or optionally indirect gas heating with temperature transfer via steel tube or heat exchanger
  • Available with horizontal (type/HA) or vertical air circulation (type/A) for optimal uniformity in your charge
  • Ground level charging without floor insulation for 260 °C models
  • Temperature uniformity up to ∆T 6 K according to DIN 17052-1
  • Optimal air circulation for your charge by means of adjustable air outlets
  • Furnace chamber lined with alloy 314 (AISI)/(DIN material no. 1.4841)
  • Low shell temperature by means of high quality mineral wool insulation
  • Manually adjustable air inlet and exhaust air vent
  • High air exchange for fast drying processes
  • Furnace sizes suitable for common charging systems, such as pallets, baskets, etc.
  • Double-winged door for models with an internal width of more than 1500 mm
  • Over-temperature limiter with manual reset for thermal protection class in accordance with EN 60519-2 as temperature limiter controler to protect the oven and load

Additional equipment

  • Data recording via Nabertherm Control Center (NCC) in accordance with the requirements of EN 141791 for Heat Soak Tests of Tempered Safety Glass (TSG)
  • Racks for loading of standing glass panes
  • Optional floor insulation for improved temperature uniformity on 260 °C models
  • Entry ramp or track cutouts for floor-level charging of models with insulated bottom
  • Electro-hydraulic lift door
  • Fan system for faster cooling with manual or automatic control
  • Motor-driven control of exhaust air flaps for better ventilation of the furnace chamber
  • Window and furnace chamber illumination
  • Safety technology according to EN 1539 for charges containing solvents
  • Catalytic or thermal exhaust gas cleaning systems
  • Custom sizes up to 40,000 liters and charge weights up to 30 tons
ModelTmaxInner dimensions in mmVolumeCirculationConnected load/kWElectrical
 °Cwdhin lrate m³/h260 °C450 °Cconnections*
N 9900/.. A 260 or 450 1500 3000 2200 9900 21500 85.0 85.0¹/100.0 3-phase
N 17600/.. A 260 or 450 2000 4000 2200 17600 33000 130.0 130.0¹/145.0 3-phase
N 41600/.. A 260 or 450 2000 6500 3200 41600 64000 200.0 200.0¹/230.0 3-phase
                   
N 560/.. 260 or 450 750 1000 750 560 900 13.0 13.0¹/ 19.0 3-phase
N 1000/.. 260 or 450 1000 1000 1000 1000 3600 18.0 18.0¹/ 40.0 3-phase
N 1500/.. 260 or 450 1500 1000 1000 1500 3600 22.0 22.0¹/ 40.0 3-phase
N 1500/..1 260 or 450 1000 1500 1000 1500 3600 22.0 22.0¹/ 40.0 3-phase
N 2000/.. 260 or 450 1500 1100 1200 2000 6400 22.0 22.0¹/ 46.0 3-phase
N 2000/..1 260 or 450 1100 1500 1200 2000 6400 22.0 22.0¹/ 46.0 3-phase
N 2010/.. 260 or 450 1000 1000 2000 2000 7200 30.0 30.0¹/ 54.0 3-phase
N 2880/.. 260 or 450 1200 1200 2000 2880 9000 54.0 54.0¹/ 66.0 3-phase
N 4000/.. 260 or 450 1500 2200 1200 4000 9000 47.0 47.0¹/ 65.0 3-phase
N 4000/..1 260 or 450 2200 1500 1200 4000 9000 47.0 47.0¹/ 65.0 3-phase
N 4010/.. 260 or 450 1000 2000 2000 4000 9000 54.0 54.0¹/ 66.0 3-phase
N 4500/.. 260 or 450 1500 1500 2000 4500 12800 54.0 54.0¹/ 66.0 3-phase
N 5600/.. 260 or 450 1500 2500 1500 5600 9000 69.0 69.0¹/ 93.0 3-phase
N 6750/.. 260 or 450 1500 3000 1500 6750 19200 98.0 98.0¹/116.0 3-phase
N 7200/.. 260 or 450 2000 1500 2400 7200 18000 93.0 93.0¹/117.0 3-phase
N 10000/.. 260 or 450 2000 2500 2000 10000 25600 106.0 106.0¹/130.0 3-phase
¹Reduced connected power for plastics applications *Please see page 61 for more information about supply voltage
 

Chamber Dryers, Electrically Heated or Gas-Fired Ovens for Laminated Safety Glass (LSG)

 
  KTR 8000 with clean room specs Standard models

KTR 6125

N 12012/26 HAS1 N with drawer shelves

Air circulation in the chamber dryer

KTR 3100/S for curing of composites in vacuum bags incl. pump and necessary connections in the oven chamber

The chamber dryers of the KTR range can be used for complex drying processes and heat treatment of charges of normal weight and packing density to an application temperature of 260 °C. The high-performance air circulation enables optimum temperature uniformity throughout the usable space. A wide range of accessories allow the furnace to be modified to meet specific process requirements. The chamber dryers can also be used for production of laminated safety glass (LSG). During this process two panes are bonded using a laminating foil and entered into the oven inside a vacuum bag. From outside the furnace a vacuum is generated via hose connection in order to avoid air inclusions between the panes during the heat treatment.

  • Tmax 260  °C
  • Electrically heated (via a heating register with integrated chrome steel heating elements) or gas-fired (direct gas heating including injection of the hot air into the intake duct)
  • Temperature uniformity up to ∆T 6 K according to DIN 17052-1 (for design wihout track cutouts)
  • High-quality mineral wool insulation provides for outer temperatures of < 20  °C above room temperature
  • High air exchange for fast drying processes
  • Double-wing door for furnaces KTR 3100 and larger
  • Over-temperature limiter with manual reset for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the dryer and load
  • Incl. floor insulation

Additional equipment

  • Entry ramp for pallet trucks or track cutouts for charging cart
  • Connection ports for vacuum bags inside the oven for laminated safety glass (LSG). The vacuum pump is connected on the outside of the furnace.
  • Optimal air circulation for individual charges by means of adjustable air outlets
  • Fan system for faster cooling with manual or motor-driven control
  • Programmed opening and closing of exhaust air flaps
  • Observation window and furnace chamber lighting
  • Safety technology according to EN 1539 for charges containing solvents
  • Charging cart with or without rack system
  • Custom-built sizes
  • Design for clean room heat treatment processes
  • Process control and documentation with Controltherm MV software package
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmConnectedElectrical
 °Cwdhin lWDHload kWconnection*
KTR 1500 260 1000 1000 1500 1500 1930 1430 2315 21.0 3-phase
KTR 3100 260 1250 1250 2000 3100 2160 1680 2880 30.0 3-phase
KTR 4500 260 1500 1500 2000 4500 2410 1930 2880 48.0 3-phase
KTR 6125 260 1750 1750 2000 6125 2660 2180 3000 50.0 3-phase
KTR 8000 260 2000 2000 2000 8000 2910 2430 3000 59.0 3-phase
*Please see page 61 for more information about supply voltage
 

Ovens, Electrically Heated also with Safety Technology According to EN 1539

TR 240 TR 60 with observation window

TR 450 with observation window

TR 1050 with double door

Electrical rotating device as additional equipment

TR 60 - TR 1050

With their maximum working temperature of up to 300 °C and forced air circulation, the ovens achieve a perfect temperature uniformity which is much better than in ovens of most competitors. They can be used for various applications such as e.g. drying, sterilizing or warm storing. Ample warehousing of standard models provides for short delivery times.

  • Tmax 300  °C
  • Working range: + 5  °C above room temperature up to 300  °C
  • Models TR 60 - TR 240 designed as tabletop models
  • Models TR 450 and TR 1050 designed as floor standing models
  • Horizontal, forced air circulation results in temperature uniformity better than ∆T 8 K
  • Stainless steel chamber, alloy 304 (AISI)/(DIN material no. 1.4301), rust-resistant and easy to clean
  • Large handle to open and close the door
  • Charging in multiple layers possible using removeable grids (number of removeable grids included, see table to the right)
  • Large, wide-opening swing door, hinged on the right with quick release for models TR 60 - TR 450
  • Double swing door with quick release for TR 1050
  • TR 1050 equipped transport rollers
  • Infinitely adjustable exhaust at the rear wall with operation from the front
  • PID microprocessor control with self-diagnosis system
  • Solid state relays provide for lownoise operation

Additional equipment

  • Over-temperature limiter with manual reset for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
  • Infinitely adjustable fan speed of the air circulation fan
  • Window for charge observing
  • Further removeable grids with rails
  • Side inlet
  • Stainless steel collecting pan to protect the furnace chamber
  • Safety Technology according to EN 1539 for charges (TRS) containing liquid solvents up to model TRS 240, achievable temperature uniformity ∆T 16 K
  • Transport costors for model TR 450
  • Various modifications available for individual needs
  • Upgrading available to meet the quality requirements of AMS 2750 E or FDA
  • Process control and documentation with Controltherm MV software package
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmConnectedElectricalWeightGrids in-GridsMax.
 °Cwdhin lWDHload kW²connection*in kgcludedmax.total load¹
TR 60 300 450 380 350 60 700 650 690 3.0 1-phase 90 1 4 120
TRS 60 260 450 360 350 57 700 680 690 6.3 3-phase 92 1 4 120
TR 120 300 650 380 500 120 900 650 840 3.1 1-phase 120 2 7 150
TRS 120 260 650 360 500 117 900 680 840 6.3 3-phase 122 2 7 150
TR 240 300 750 550 600 240 1000 820 940 3.1 1-phase 165 2 8 150
TRS 240 260 750 530 600 235 1000 850 940 6.3 3-phase 167 2 8 150
TR 450 300 750 550 1100 450 1000 820 1440 6.3 3-phase 235 3 15 180
TR 1050 300 1200 630 1400 1050 1470 955 1920 9.3 3-phase 450 4 14 250
¹Max load per layer 30 kg *Please see page 61 for more information about supply voltage ²If EN 1539 is ordered power rating will increase
 

Chamber Furnaces with Air Circulation, Electrically Heated

N 120/65 HA N 60/85HA with torch as additional equipment

N 15/65HA as table-top model

N 15/65HA, N 30/45HA - N 500/85HA

These chamber furnaces with air circulation are characterized by their extremely high temperature uniformity. Hence, they are especially suitable for processes such as cooling, crystalizing, pre-heating, curing, but also for numerous processes in tool making. Due to the modular concept, the furnaces can be adjusted to the process requirements by adding suitable equipment.

  • Tmax 450 °C, 650 °C, or 850 °C
  • Horizontal air circulation
  • Swing door hinged on the right
  • Temperature uniformity up to ∆T 8 K according to DIN 17052-1
  • Heating from bottom, sides and top
  • Optimum air flow and temperature uniformity through high circulation rates
  • One shelf and rails for two additional shelves included (N 15/65 HA without removable tray)
  • Air baffle box of stainless steel inside the furnace chamber for optmum air circulation
  • Base frame included in the delivery, N 15/65 HA designed as table-top model
  • Switchgear with solid-state relays
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmConnectedElectricalWeight
 °Cwdhin lWDHload kWconnection*in kg
N 30/45 HA 450 290 420 260 30 607 + 255 1175 1315 3.6 1-phase 195
N 60/45 HA 450 350 500 350 60 667 + 255 1250 1400 6.6 3-phase 240
N 120/45 HA 450 450 600 450 120 767 + 255 1350 1500 9.6 3-phase 310
N 250/45 HA 450 600 750 600 250 1002 + 255 1636 1860 19.0 3-phase 610
N 500/45 HA 450 750 1000 750 500 1152 + 255 1886 2010 28.0 3-phase 1030
                       
N 15/65 HA¹ 650 295 340 170 15 470 845 460 2.7 1-phase 55
N 30/65 HA 650 290 420 260 30 607 + 255 1175 1315 6.0 3-phase² 195
N 60/65 HA 650 350 500 350 60 667 + 255 1250 1400 9.6 3-phase 240
N 120/65 HA 650 450 600 450 120 767 + 255 1350 1500 13.6 3-phase 310
N 250/65 HA 650 600 750 600 250 1002 + 255 1636 1860 21.0 3-phase 610
N 500/65 HA 650 750 1000 750 500 1152 + 255 1886 2010 31.0 3-phase 1030
                       
N 30/85 HA 850 290 420 260 30 607 + 255 1175 1315 6.0 3-phase² 195
N 60/85 HA 850 350 500 350 60 667 + 255 1250 1400 9.6 3-phase 240
N 120/85 HA 850 450 600 450 120 767 + 255 1350 1500 13.6 3-phase 310
N 250/85 HA 850 600 750 600 250 1002 + 255 1636 1860 21.0 3-phase 610
N 500/85 HA 850 750 1000 750 500 1152 + 255 1886 2010 31.0 3-phase 1030
¹Table-top model*Please see page 61 for more information about supply voltage ²Heating only beetween two phases

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