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Water Cold Sealing Flange for 80mm dia.Tube - FL80W

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  • This is a pair of sealing flange with a water cooling jacket valve for OD 80 mm diameter processing tube. If you cannot use a ceramic block in two end of tube, you must use the water cooling jacket to keep flange cool (otherwise silicone o-ring may get damage)
  • Made of Stainless Steel with double high-temperature silicone O-rings on the 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 meter is installed in one side of flange.
  • You may choose left side, right side or full set of flange at product option bar
  • Note:  You may order Digital Temperature Controlled Recirculating Water Chiller with 16L / min Flow, to cool the flange and save water. ( click picture below right to order )
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Vacuum level
Installation Video
  • Must put a refractory tube block between the flange and the sample to avoid melting the silicone O-ring by heat radiation. Please order a ceramic block in related products.
  • Please do not over tighten the three hex screws on the flanges to avoid overpressure incidents. The recommended torque is 35~40 inch-lbs.
  • 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.
Application Notes
  • Max. furnace working temperature is 1100ºC without thermal block if tube furnace is installed with this water cold flange
  • If furnace working temperature > 1100ºC , suggest you use a quartz thermal block ( see related product below )
  • Please always use recirculating water chiller ( see related product below ) to save water and protect
Related Sealing flanges for 80mm O.D tube
Please click the picture above to choose other size flanges from 1" to 11"

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