• Made of polyfluortetraethylene (PTFE) with double high-temperature silicon O-rings on flange.  
• Stainless steel needle valve with 1/4" pipe adaptor.    
• The assembly kit will seal one end of 80-82 mm diameter ceramic and quartz tube.
• Vacuum pressure can reach 10-5 torr with a suitable pump.
• Max. working temperature:  250ºC
• The digital pressure gauge is optional
• For liability considerations, MTI does not recommend or endorse the use of any toxic, flammable or corrosive gases with our flange assemblies. Please contact us with any concerns.
• Note:  
  • A thermal block must be placed at the end of the furnace to reduce heat radiation, otherwise, the PTFE flange may melt off if the furnace temperature is higher than 500ºC.

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