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Air Circulation Chamber Furnaces, Electrically Heated Also for Debinding in Air and under Protective Gases

NA 120/45 NA 250/45

Air circulation chamber furnace NA 120/45 DB10 for debinding in air

Air circulation chamber furnace N 250/65 HA IDB with gas supply box for debinding und protective gases

Air circulation chamber furnace N 500/65 HA DB200 for debinding in air with catalytic afterburner system

Chamber furnaces with air circulation are characterized particularly by their very good temperature uniformity. As a result, they are well suited for processes such as calcination and drying e.g. ceramic materials. The design as a debinding furnace for safe debinding in air or in an inert atmosphere is possible. When used for debinding in air the exhaust gases are diluted by fresh air to reliably prevent an inflammatory atmosphere in the furnace chamber. For debinding processes that have to take place under inert gas, the IDB passive safety concept with a residual oxygen content of max. 3 % is recommended.

  • Tmax 450  °C, 650  °C, or 850  °C
  • Stainless steel air-baffles in the furnace for optimum air circulation
  • Swing door hinged on the right side
  • Base frame included in the delivery, N 15/65 HA designed as table-top model
  • Horizontal air circulation
  • Temperature uniformity up to +/- 5 °C according to DIN 17052-1 (model N 15/65 HA up to +/- 7 °C)
  • Optimum air distribution enabled by high flow speeds
  • One removable tray and rails for two additional trays included in the scope of delivery (N 15/65 HA without removable tray)
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm Controller: Recording of process data with USB-flash drive (NA 30/45 - N 675/85 HA)

Additional equipment (not for model N 15/65HA)

  • Optimization of the temperature uniformity up to +/- 3 °C according to DIN 17052-1
  • Fan cooling to accelerate the cooling process
  • Motor driven exhaust air flaps
  • Manual lift door (up to model N(A) 250/.. (HA))
  • Pneumatic lift door
  • Adjustable air circulation for sensitive components
  • Additional removable trays
  • Roller conveyor in furnace chamber for heavy charges
  • Designed for Tmax 950  °C
  • Debinding packages with safety concept starting from 120 liters volume, see page 6 - 8
  • Process control and documentation via VCD software package or Nabertherm Control Center (NCC) for monitoring, documentation and control
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmHeatingElectricalWeight
 °Cwdhin lWDHpower in kW2connection*in kg
NA 30/45450290420260301040129013853.01-phase195
NA 60/45450350500350601100137014756.03-phase240
NA 120/454504506004501201200147015759.03-phase310
NA 250/4545060075060025013501650172512.03-phase610
NA 500/45450750100075050015001850180018.03-phase1030
NA 675/45450750120075067515002050180024.03-phase1350
            
N 15/65 HA650295340170154708454602.41-phase55
N 30/65 HA65029042026030607 + 255117513155.53-phase1195
N 60/65 HA65035050035060667 + 255125014009.03-phase240
N 120/65 HA650450600450120767 + 2551350150013.03-phase310
N 250/65 HA6506007506002501002 + 2551636186020.03-phase610
N 500/65 HA65075010007505001152 + 2551886201030.03-phase1030
N 675/65 HA65075012007506751152 + 2552100201030.03-phase1350
            
N 30/85 HA85029042026030607 + 255117513155.53-phase1195
N 60/85 HA85035050035060667 + 255125014009.03-phase240
N 120/85 HA850450600450120767 + 2551350150013.03-phase310
N 250/85 HA8506007506002501002 + 2551636186020.03-phase610
N 500/85 HA85075010007505001152 + 2551886201030.03-phase1030
N 675/85 HA85075012007506751152 + 2552100201030.03-phase1350
1Heating only beetween two phases*Please see page 77 for more information about supply voltage
2Depending on furnace design connected load might be higher
 

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

TR 240 TR 60 with adjustable fan speed

TR 450

Electrical rotating device as additional equipment

Extricable metal grids to load the oven in different layers

TR 1050 with double door

TR 60 with observation window

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 temperature range: + 5  °C above room temperature up to 300  °C
  • Ovens TR 60 - TR 240 designed as tabletop models
  • Ovens TR 450 and TR 1050 designed as floor standing models
  • Horizontal, forced air circulation results in temperature uniformity better than +/- 5 °C
  • 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 low-noise operation
  • Defined application within the constraints of the operating instructions

Additional equipment

  • Over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the oven 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 containing liquid solvents (TR .. LS) up to model TR 240 LS, achievable temperature uniformity +/- 8 °C
  • 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 via VCD software package for monitoring, documentation and control
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmHeatingElectricalWeightGrids in-GridsMax.
 °Cwdhin lWDHpower in kW2connection*in kgcludedmax.total load1
TR 603004503903506070061071031-phase9014120
TR 60 LS2604503603505770068069063-phase9214120
TR 12030065039050012090061086031-phase12027150
TR 120 LS26065036050011790068084063-phase12227150
TR 240300750550600240100078097031-phase16528150
TR 240 LS260750530600235100085094063-phase16728150
TR 45030075055011004501000780147063-phase235315180
TR 10503001200670140010501470940192093-phase450414250
1Max load per layer 30 kg *Please see page 77 for more information about supply voltage
2Depending on furnace design connected load might be higher
 

Chamber Ovens Electrically Heated or Gas-Fired

KTR 1500 with charging cart KTR 22500/S with chamber lightning and drive-in tracks with insulated plugs which provide for an optimal temperature uniformity

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

Direct gas-firing at a chamber dryer

KTR 4500 with platform cart, inner lightning and observation windows

Adjustable plate shutters to adapt the air guide to the charge

Drive-in ramp

KTR 3100 DT with rotating system for tempering of silicone parts. Four baskets will be charged in the frame and can be taken out separately

The chamber ovens of the KTR range can be used for complex drying processes and heat treatment of charges to an application temperature of 260 °C. The high-performance air circulation enables optimum temperature uniformity throughout the work space. A wide range of accessories allow the chamber ovens to be modified to meet specific process requirements. The design for the heat treatment of flammable materials in conformance with EN 1539 (NFPA 86) is available for all sizes.

  • 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 wihout track cutouts)
  • High-quality mineral wool insulation provides for outer temperatures of < 25  °C above room temperature
  • High air exchange for fast drying processes
  • Double-wing door for furnaces KTR 3100 and larger
  • Over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
  • Incl. floor insulation
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm Controller: Recording of process data with USB-flash drive

Additional equipment

  • Track cutouts for level drive-in of charging cart
  • 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 (NFPA 86) (models KTR .. LS) for charges containing solvents
  • Charging cart with or without rack system
  • Design for clean room heat treatment processes
  • Rotating systems for tempering processes
  • 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
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmHeatingElectrical
     power in kW1 
 °Cwdhin lWDHKTR/KTR ..LSconnection*
KTR 1000 (LS)260100010001000100019001430181518/on request3-phase
KTR 1500 (LS)260100010001500150019001430231518/363-phase
KTR 3100 (LS)260125012502000310021501680290527/453-phase
KTR 4500 (LS)260150015002000450024001930290545/543-phase
KTR 6125 (LS)260175017502000612526502200300045/633-phase
KTR 6250 (LS)260125025002000625021503360300054/on request3-phase
KTR 8000 (LS)260200020002000800029002450300054/813-phase
KTR 9000 (LS)260150030002000900024003870300072/on request3-phase
KTR 12300 (LS)2601750350020001230026504400300090/on request3-phase
KTR 16000 (LS)26020004000200016000290049003000108/on request3-phase
KTR 21300 (LS)26026503550230021300380043002500108/on request3-phase
KTR 22500 (LS)26020004500250022500290054003500108/on request3-phase
1Depending on furnace design connected load might be higher *Please see page 77 for more information about supply voltage