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15KW Induction Heating System with 5" Quartz Tube & Temperature-Controller upto 2000ºC for Melting or PVT - SP-50KTC

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Item Number: SP-50KTC
SP-50KTC is a temperature-controlled induction heating/melting system with complete accessories, It is an ideal tool for growing crystal, melting and sintering new metallic alloys with melting point < 2000ºC and can be modified into a PVT ( Physical Vapor Transportation ) system for growth bulk SiC crystal.
The system includes an induction heater, 130mm O.D quartz tube with flanges & valves, graphite crucible & refractory assembly, 58L/m recirculating w
ater chiller, 156L/min vacuum pump, and a mobile cart

Induction Heater
  • Working Voltage: 220V AC, 50/ 60Hz, Three Phase
  • Max.Input Power: 15 KW
  • Working Current: 5~52 Amps (a 60A breaker is required)
  • Input Power Cable: min. 4AWG cable (the cable is not provided with the machine)
  • Output Frequency: 30 - 80 kHz 
  • Duty Cycle: 80%
  • Induction Coil: 150mm(OD) x 140mm(ID) x 65mm(H) 
  • Air Cooling: rear fan
  • Protection: automatic water pressure, over temperature, and over power protection
  • Refractory assembling: complete refractory assembling made of alumina, including bottom crucible support, crucible holder, and cover.
Temp. Controller & Thermocouple

  • Precision digital temperature controller with automatic PID tuning.
  • 30 segments programmable for controlling heating and cooling rate as well as dwell time.
  • Overheating & thermocouple failure protection.
  • +/- 3 ºC temperature accuracy. 
  • Thermocouple: C type  ( 1/4"x10" L )   ( please click here to order a spare as consumable )
  • Continuous Working Temp. Range: 1000ºC~1900ºC
  • Max Working Temperature: 2000ºC (for less than an hour)
  • Max. Heating Rate: 
    • 10ºC/second (1000ºC-1200ºC)
    • 8ºC/second (1200ºC~1500ºC)
    • 3ºC~6ºC/second (1500ºC~1700ºC)
Graphite Crucible & Refractory liners

  • High Purity Graphite Crucible: 2" OD x 1.57"ID x 4" Depth (4.3'' Height) is included for induction heating and metal smelting. Max. Loading Capacity: Half of the total volume of the graphite crucible.
    • Note: Graphite crucible is consumable, please click picture below-right to order spare
  • Optional: Special designed graphite "Box" for accommodating single piece wafer substrate up to 1.5'' O.D x 1/8'' Thick is available upon request. It is an ideal wafer holder which can be inductively heated up and provide uniform heat treatment to the wafer inside.
Sealing Flanges & Quartz Chamber
  • 130mm(OD) x 122mm(ID) x 360mm(L) Quartz furnace tube is included, click pic.1 to order spare or replacement
  • Top Flange: Stainless steel hinged type flange with 1/4'' thermocouple feedthrough, needle valve, and barbed fitting. (Pic.2)
  • Bottom Flange: Stainless steel flange with a needle valve and KF-25 vacuum port. (Pic.3)
  • KF25 right angle valve & clamps and 1000mm long SS bellows are included for connecting to the vacuum pump. (Pic.4)
  •            Pic.1                    Pic.2                   Pic.3                       Pic.4
Pressure Sensor

  • Anti-corrosive capacitance diaphragm gauge (Gas Independent), measurement range up to 3.8x10E-5 torr
  • One 24V,1A DC power adapter is included and ready to use. Input voltage for the adapter is 110~240V Single Phase.
Flow Meter
Pressure Relief Valve

  • This valve is designed to release pressure at 0.02MPa for safety concerns. 
Water Chiller

  • Temperature range: 5 - 30°C
  • Water Flow Rate:   > 16 L/m,
  • Water pressure: 40PSI
  • Note: It is recommended to use a specific coolant to get the best performance.
Vacuum Pump
Heavy Duty Mobile Cart
    • Structure: Steel Frame Mobile Cart
    • 600mm(L) x 800mm(W) surface for placing Induction Heater & Quartz Tube with Flange
    Protective Shield

    • For Non-UL Certified version, a protective shield made of phenolic sheets will be provided.
    • For UL Certified version, a clear protective shield made of polycarbonate will be provided.
    • The protective shield is to be placed around the quartz tube to contain the shooting glass shards if accidents were to happen.
    Product Dimensions

    • Induction Heater: 27.5"(L) x 51.2"(W) x 51.2"(H) (700mm x 1300mm x 1300mm)
    • Water Chiller: 18"(L) x 18.7"(W) x 30"(H) (460mm x 475mm x 762mm)
    • Please refer to the picture to the left for overall size info.
    • One year limited warranty with lifetime support
    • Consumable parts such as processing tube, thermocouple, refractory liners, o-rings, and heating coil are not covered by the warranty
    • MET Certification is available upon request at extra cost, please contact us for a price quote. Certify standards include: 1) Induction heater: UL61010-1 & UL499; 2) Vacuum Pump: UL1450; 3) Water Chiller: UL61010 & UL1995
    Operation Manual & Video                         Horizontal set  up option


    Click here to learn more about the installation of a gas regulator.
    • Attention: Protective inert gas must be continuously filled throughout the experiment in order to protect the graphite crucible and C thermocouple. The gas flow rate should be limited to < 200 SCCM ( or 200ml/min)
    • The C type thermocouple is consumable which is not covered under our limited manufacturer warranty.
    • The Induction Melting System are designed to operate in vacuum and low-pressure condition (< 0.02 Mpa / 0.2 Bar/ 3 PSI)
    • 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.
    • 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 heating process; please open the gas release valve immediately once the chamber pressure has reached over 3 PSI to prevent unforeseeable damages.
    Application Notes
    • Please click here to learn how to setup crucible for melting.
    • Melting time and temperature are related to materials, crucible, refractory insulation, etc. If you do not know whether the induction heater can melt your sample or not, please contact our engineer for consulting. 
    • PVT (Physical Vapor Transportation) system for growth bulk SiC crystal by changing a suitable crucible, see pic to the left below.
    • This furnace can be modified as RTP (rapid thermal processing) and HPCVD system with the gas delivery system. Please let us know about your special request/ requirement.  
    • Customize Induction Heater System is available upon request, please fill out "Customize Induction Heating System Form" and email back to us.
    • The compact  CZ grower can be customized by the system with pulling & rotating mechanism
    • "continuous production of graphene", please click underline to view the paper
    Net Weight
    • 300 lbs
    Shipping Weight & Dimension
    • #1: 410 lbs, 48"x40"x65"
    • #2: 355 lbs, 48"x40"x48"

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    1. Prices listed online are valid for US market and whom pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
    2. We may add extra charges for paper order and net30 terms due to extra labor cost.
    3. The prices listed are subject to change without notice.