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1200°C Bottom-loading Vacuum Furnace (8.6"IDX7.6"H) with Rapid Cooling -VBF-1200X-E8


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Item Number: VBF-1200X-E8
Transported by LTL Freight (Truck)
VBF-1200X-E8 is a vacuum-sealed furnace with a motor-driven bottom loading sample stage and an electric door for thermal insulation of the heated chamber.  The furnace comes with a quartz chamber of 8.5" ID x 13.4"H and a water-cooled flange, which enables heat treatment under a vacuum or controlled atmosphere.  A gas blow system is installed at the bottom to cool the heated sample faster with inert gas.  

SPECIFICATIONS

Features

  • Double-layer steel casing with air cooling keeps furnace surface < 60°C
  • Water-cooled vacuum flange for better vacuum seal and longer service life
  • 8.5" ID Quartz chamber works under both vacuum and gas flow.
  • Motor-driven bottom loading for large sample loading at ease.
  • The electric sliding door is built to block thermal radiation when heated sample loading down
  • Inert gas blow system is installed to quench  heated samples faster
  • Two precision temperature controllers are included: one for furnace temperature and another for a monitoring temperature change of the sample stage 

Power

  • 208-240 VAC, 1 ph, 50/60 Hz.
  • 3600 (20 A power receptacle is required)
  • A 10-foot power cable is included but without a plug

Working Temperature

  • Fe-Cr-Al doped Mo heating elements. 
  • ≤1200°C with inert gas
  • ≤1000°C continuous under vacuum
  • Heating rate: 20°C/min max

Temperature Uniformity @ 900°C

            

Temperature Control


  • Two 30-segment programmable temperature controllers are included.
  • One for controlling furnace heating and one for monitoring sample stage heating and cooling
  • Built-in automatic PID control with auto-tune, overheating, and T/C broken protection.
  • ±1℃ temperature accuracy.
  • Two K-type thermocouples are included
  • RS485 communication port
  • Optional MTS-02 for remote temperature control and logging at PC

Heating Chamber and
Vacuum-Sealed Flange

  • Quartz chamber size: 9" O.D. x 8.5" I.D. x 13.4" L   ( 230 OD x 218ID x 340 H, mm)
  • Effective heating area: 8.5" ID x 8.5" Depth (218 ID x 216 H mm, 8.6 Liter) ( click pIc1 to see details)
  • The quartz heating chamber is replaceable. ( Click Pic. 2 to order spare )
  • Water cooling SS304 Vacuum flange with Or-ring fibrous alumina plate is installed on the electric lifting platform to seal the quartz chamber. (Pic, 3)
  • One 16L/min recirculating water chiller is included for cooling the flange (pic. 4)
  •     Pic.1       Pic. 2     Pic. 3          

Vacuum and  Gas Flow

  

  • One KF25 port is built-in for vacuum pump connection.
  • One dual-stage rotary vane pump with KF25 below and one angle valve are included. (Pic。 1)
  • One Pirani vacuum gauge (up to 10-4 torr) and a mechanical vacuum gauge is included. (Pic。 2)
  • Pfeiffer 33 L/s turbopump is available for high vacuum operation up to 10-5 torr (Pic,3)
  • One 5L flowmeter with1/4" gas inlet and outlet is included for atmosphere control (Pic.4)
  •    Pic. 1 Pic. 2Pic. 3 Pic.4

Cooling Chamber 

The gas cooling system is built-in for faster cooling of a heated sample
  • 4 gas blow tubes ate installed in for corner of the cooling chamber (Pic.1).  The gas valve shall be opened before loading the heated sample down
  • The sliding door must be closed immediately once the sample stage is down to insulate the radiation from the heating chamber. (Pic. 2)
  • The cooling rate and temperature can be monitored by the thermal couple  in sample stage
Pic. 1      Pic. 2

Overall Dimensions

( Click Pics to see details)

   

Net Weight

160 kg

Shipping Weight & Dimensions

  1. 575 lbs, 55" x 40" x 75"
  2. 155 lbs, 40" x 33" x 27"
Compliance
  • CE Certified
  • NRTL / CSA Certification is available upon request at the extra cost

Warrant

  • One-year limited warranty with lifetime support (consumable parts such as processing tubes, and O-rings are not covered by the warranty, please order replacements at related products below.)
  • ATTENTION: Any damages caused by the use of corrosive and acidic gases are not under the coverage of MTI One Year Limited Warranty
Application Notes

Click here to learn the installation of a gas regulator
  • Quartz tube furnace is designed for using under vacuum and low pressure < 0.2 bars / 3 psi / 0.02 MPa
  • Attention: A two-stage pressure regulator must be installed on the gas cylinder to limit the pressure to below 3 PSI for safe operation. Click here to learn the installation of a gas regulator.
  •  Vacuum pressures in the furnace shall be used below 1000°C under vacuum processing
  • The furnace can be used for brazing of two flat samples via top dead weight under vacuum at <1000°C

Operation Video

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1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Prices vary from country to country.
2. We may add extra charges for paper orders and NET 30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.