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1500°C Max Dual Zone Sliding Tube Furnace (50mm OD) w/ Flanges for Fast Heating/Cooling -OTF-1500X-II-50SL

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Description

OTF-1500X-II-50SL is a 1500°C  Two Zone slide-able tube furnace with 50mm OD x 55"L  mullite tube and vacuum flanges. One pair of sliding rail is installed on the bottom of the furnace.  The furnace can be moved manually from one side to the other for achieving a max. heating or cooling rate up to 60°C/min. For the fastest heating, the furnace may be pre-heated to the desired temperature and then be slid to the sample's position. As for the fastest cooling, the furnace can be slid to another side after sample heating is completed. This system provides a solution for rapid thermal processing at the lowest cost.

SPECIFICATIONS:

Furnace Structure
  • Two heating zones ( 2000L per zone) with independent temperature control up to 1500°C for each zone.
  • High-quality SiC heating elements ( 16 pcs )
  • 50 mm OD  x 60" L  mullite tube made in the USA for better thermal shock resistance
  • Splittable cover for easy changing the processing tube.
  • One pair of sliding rails are installed on the bottom of the furnace to allow moving from one side to the other
  • The Temperatur control unit may separate from the furnace to remote control.
  • Please click the picture left column for detail specification fo the furnace
Power
  • AC 208-240V Single Phase, 50/60 Hz
  • 6KW Max  ( 50A Air breaker)
  • The power cable is included, but without plug
Heating Zone
&
Working Temperature
  • Two heating zones:                      200 mm/ each  (included 20 mm spacing)
  • Total zone length:                         400 mm  
  • Max. Working Temperature :            1500°C ( < 30minute )
  • Continuous Temperature:          1400°C
Heating Elements 1500°C grade SiC Rod  ( 16 pcs )
Processing Tube Size
  • Mullite tube made in the USA
  • Size:  OD 2" x  ID 1.75" x Length: 55" (OD:  50.8 x ID 44.45 x Length 1400 mm)
  • Two foam ceramic blocks are included which must be placed inside the tube to avoid heat radiation damaging O-ring.
  • Note: The Mullite tube is consumables and has no warranty provided. Faster healing and cooling may reduce the service life of the tube
  •   Pls click to order spare   click here to choose alumina boat 
Temperature Controller

  • Two PID automatic controllers via SCR power control for each heating zone
  • 30 programmable segments for precise control of heating rate, cooling rate and dwell time with +/- 1ºC accuracy
  • Built-in over-temperature alarm and protection allow for operation without an attendant.
  • Two S type thermal couples are included. 
  • RS485 port is built-in and software is included for PC remote control
  • Optional: 
  • Two Eurotherm-3000 precision controllers with +/- 0.1ºC and software is available upon request at $ 2000 extra.
Vacuum Flanges
  • Stainless steel vacuum flanges with the build-in water cooling jacket are installed on both ends of the tube with heavy-duty support.
  • The digital vacuum gauge is available upon request ( Pic. below right(
  •                
  • Two pairs of fibrous ceramic tube blocks are included for blocking heat radiation from the inside tube. (Ceramic blocks must be fully inserted into the furnace chamber before heating
Vacuum Level
  • Limited by the pump.  The vacuum pump is not included. Please click the picture below to choose a pump 
    • 10^-2 torr can be achieved by the mechanical pump
    • 10^-5 torr can be reached by turbopump
    • For CVD application, must use a cold trap to avoid pump damage 
  •     
Options
  • The recirculating water chiller is optional for the cooling flange for better vacuum sealed at high temperature
  • You may use tap water as a coolant, but we strongly suggest you use a recirculating water chiller for environmental considerations. Please click thumb left to order the water chiller at extra cost.
  • For CVD application, you may click the picture below right to order 2-9 channel gas delivery control system
  •     
Sliding Rails / Table
  • Double sliding rail made by Cr plated steel
  • Sliding length: 1500 mm
Dimensions
  • 650L × 540 W × 755 H ( furnace only)
  • 1600L x 380W x 950 mm ( furnace + sliding)
Net Weight
~ 200 Kg
Shipping Weight
600 lbs
Warranty
One year limited manufacturer's warranty (Consumable parts such as processing tubes, O-rings and heating elements are not covered by the warranty, please order replacements at related products below).
Compliance
  • CE Certified
  • NRTL or CSA certification is available upon request at extra cost.
Application Notes Click here to learn more about the installation of a gas regulator.
  • The tube furnaces with mullite tube are designed for use under vacuum and low pressure < 0.02 MPa
  • Attention: A two-stage pressure regulator must be installed on your input gas tank ( click picture below to review ) and have the output gas pressure set below 3 PSI at all times after opening the gas tank with the gas maintained in a continuous flowing condition. Gas build-up with pressure levels exceeding over 3 PSI may cause irreversible damage to the furnace chamber.  
  • Never heat the furnace while the gas release valve is closed and a positive pressure condition exists within the furnace chamber. The pressure gauge must be used to closely monitor the chamber condition at all times during the healing process; 
  • The flow rate for gases should be limited to < 200 SCCM ( or 200ml/min )
  • Vacuum limit definition for all mullite tube furnaces: * Vacuum pressures may only be safely used up to 1300°C
  • Click here to learn How to set up a quartz/ ceramic tube and vacuum flange for MTI Tube furnace.
  • Proper placement of tube blocks
  • Corrosive, flammable, and toxic gases are NOT allowed to be used on this furnace system. Appropriate refractory clothing, face mask, and gloves should be worn at all times when operating the furnace. 
Operation Video     

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