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1200°C Large Vertical Tube Furnace with 8'' or 11" Quartz tube & Vacuum Flange - OTF-1100X-III-VT


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Transported by LTL Freight (Truck)

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Tube size:
OTF-1100X-III-VT is a three-zone heated large tube furnace with optional 8 or 11"O.D quartz tube and vacuum flanges. Three programmable temperature controllers are built-in with K type thermal couple, which provides 1000 mm heating length and > 330 mm constant temperature zone up to 1200°C Max working temperature. It is an excellent tool for annealing, diffusing, and sintering processes.
SPECIFICATIONS
Furnace structure

  • A splittable vertical furnace with ~ 12" dia heating chamber.
  • Double-layer steel casing with air cooling.  The surface temperature of the case is < 70°C.
  • Quality fibrous alumina insulation liner for maximum energy saving.
  • Two 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
  • Aluminum alloy frame with wheel for easy moving. 
Power required
  • Three Phase, 208V AC, 50/60 Hz  ( 3 phase 380V is  optional)
  • AWG 8# Power cord is included (without plug) 
  • Max. 30KW (100A breaker required)
Heating zone

  • Total heating zone length ~1000mm (40")
  • Three zones: 330 mm + 330 mm + 330mm  
  • Constant temperature zone length : 350 mm (if three zones are in the same temperature within +/- 3°C)
  • Cross section Temperature tolerance: +/- 3°C
Working temperature
  • Max heating temperature: 1100°C 
  • Max heating & cooling rate: 10°C/min
  • SiC heating elements, a total of 36 pcs 
Temperature Controllers 

  • Three Eurotherm temperature controllers are built-in to control each heating zone independently.
  • 1 program of 8 or 24 segments for each zone
  • Digital Communications: RS485
  • Temperature Accuracy:  ±  0.1ºC
  • Sofware is included for operating by PC
Vacuum sealing & Flange
  • A pair of stainless steel vacuum sealing flange (Hinged Type) and 4 pieces of high temp-resistance silicon O-ring are included in order to achieve the vacuum rate of 10^-2 torr via a heavy-duty mechanical pump.
  • Left Side Flange: stainless steel needle valves, and 1/4" barbed hose fitting.
  • Right Side Flange: KF40 vacuum port with a vacuum gauge. KF-40 Vacuum Right-Angle Valve is optional for easy connection to KF40 bellows and pumps.
  • One 1/4" OD thermal couple insert port is built on the right flange for easy temperature calibration.
Quartz Tube
   
  • Can accommodate 8'' or  11" O.D quartz tube with 71" Length, please select tube size in the option bar
  • High purity quartz tube, please click the bottom left picture to view.
  • Warning: quartz tube is fragile, please handle with care. Warranty does not cover the broken tube by use
Options
  •                      
Product Dimension
  • H 2800mm X W 1050mm X D1250mm(Closed )
  • H 2800mm XW1600mm X D1700mm(Opened)
Net weight
400kg
Shipping dimension
85" x 40" x 70"
Shipping weight
1200 lbs
Warranty
  • One year limited warranty on electrical parts. ( Consumable parts such as processing tubes, o-rings and quartz tube are not covered by the warranty)
  • You may order a replacement quartz tube at the link below 
Compliance
  • CE Certified
  • NRTL or NRTLCSA Certification is available upon request, additional charges will apply

NOTE
Operation Instructions     
Warning
  • Tube furnaces with quartz tubes are designed for using under vacuum and low pressure <  0.2 bar / 3 psi / 0.02 MPa    or  0.12 MPa (absolute pressure). 
  • Attention: A two-stage pressure regulator must be installed on a gas cylinder to limit the pressure to below 3 PSI for safe operation. Click here to learn the installation of a gas regulator.
  • Vacuum limit definition for all quartz tube furnaces: * Vacuum pressures may only be safely used up to 1000°C
  • The flow rate for gases should be limited to<200 SCCM (or 200ml/min) for reducing thermal shocks to the tube

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Notices
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.