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Vacuum Heated Pressing Furnace up to 1000C with 4" Quartz Tube - OTF-1200X-VHP4

In Stock; 4 -6 weeks to delivery for QC
Item Number: OTF-1200X-VHP4
Transported by LTL Freight (Truck)

The OTF-1200X-VHP4 is designed for making dense compound materials under both vacuum and high pressure up to 2 metric tons.  It is integrated with a split vertical tube furnace with a vacuum-sealed 4" quartz tube and  2000Kg digital electric press, as well as one set of 0.5" ID  graphite pressing, die.   The furnace can be heated up to 1000ºC using a temperature controller with 30 programmable segments. Water-cooled flanges facilitate a vacuum level up to 10E^-5 Torr via the use of an optional turbomolecular pump.
Note:  Chang hydraulic press into more precision digital electric press since March 25, 2020


Max. Pressure

2 metric tons ( 50 Mpa on 0.5" ID graphite ) limited by supporting structure

Digital Electric Press

  • Built-in a digital electric press with Max. load capability of 2 metric tons on the bottom of the furnace
    • Pressure adjustment range: 0.1-2 T adjustable with constant pressure function
    • Travel distance:  20 mm
    • Pressure accuracy: +/- 0.003T 
    • Time setting: 1 - 999 minutes
  • Please click on the left picture for details.

Vertical Furnace


  • Splittable vertical furnace heated by Ni-Cr-Al resistance wire
    • Max. working Temp>           1000oc < 60 minutes
    • Max. Heating Rate:            < 10oC/minute
    • 30 segment programmable controller with +/-1ºC accuracy
  • RS485 port installed for remote PC operation (Pls click here to order software - EQ-MTS02-Y at extra cost )
  • Power consumption: 2200W
  • Power input: 208 - 240VAC, 50/60 Hz single phase
  • Note:  MTI reserves the right to update the product with better functions without notice        

Heating Zone

  • Heating Zone Length: 12" (300mm)
  • Constant temperature zone: 100mm

Quartz Tube & Sealing Flange

           Pic. 1     Pic. 2   Pic.3    Pic. 4
Option Vacuum Pump
  • Max. achievable vacuum level: 10E^-4 Torr by turbo pumping station (EQ-PAC-LD turbo pumping system with powerful backing pump, please don't use small pumps ) 
  • Or 10^-2 torr by a mechanical pump.
  • Please click on the left to choose a vacuum pump at extra cost.

Graphite Pressing Die Set 

  • One set graphite supporting rod (One top & one bottom) is built-in. ( Pic. 1 left)
  • One set of 0.5" ID  graphite die is included for immediate use. ( Pic. 2 left )
  • The dies are made of high purity graphite with a working pressure of 50 MPa, under 600Kg force
  • The graphite pressing die gets broken easily and is consumable, please click on the central photo below to order extra sets. We can also provide customized die sets upon customer request at extra cost
  • Mica spacers are used to adjust the height of die sets (while providing heat insulation). Please click on the bottom right picture below to order spares.( bottom right photo )     
  • Pic. 1Pic. 2  Pic. 3
Product Demo Video

    L750 × W800 × H1850mm ( please click the picture below to see details )

Net Weight

 365 kg  

Weight of Shipment
& Dimension

 450 kg


  • CE certified 
  • NRTL or CSA certification is available upon request at the extra cost
  • The pressing machine was quality inspected in the USA, lifetime support is provided
  • One-year limited standard warranty, (Consumable parts like graphite die do not have any warranty.)
  • (Extended warranty is available for up to 5 years at extra cost)

Application Notes

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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.