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Vacuum Sealing Flange with Four 1/4" Feedthroughs for 50mm O.D. Tube - EQ-FL50-4FTR

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This is a single-side flange for 50mm O.D. tube with four 1/4" tube fittings. It provides multiple feed-throughs for various gasses delivery and thermocouple insert. Specifications:

  • SS304 Stainless steel flange with double high-temperature silicon O-rings
  • Hex screw tube sealing with no welding or gluing needed.
  • Ideal for any type of tubing: ceramic, glass, quartz, and steel pipes.
  • Multiple feed-throughs for in-tube electrical and gas needs
Structure & Options
  • Flange for 80mm O.D. tube
  • Six 1/4" feedthrough with ferrule tube fitting (Click Pic. 1)
  • You may insert 1/4" SS tube or ceramic tube with holes to feed electric wire ( click Pic. 2 -3 ), or ceramic sample plate with wires ( click Pic. 4 to order )
  Pic.1   Pic. 2     Pic. 3     
Vacuum Level  10-4 torr (molecular pump) and 10-2 torr(mechanical pump)
  • Flange dimension illustration
  • A refractory tube block is required in front of the flange to avoid silicone O-ring melting. ( Click Pic 1for detail )
  • Please consider purchasing our ceramic tube block.
  • Please do not over tighten the three hex screws on the flanges to avoid overpressure incidents. The recommended torque is 35~40 inch-lbs.
  • You may insert  up to 12 wire for measuring high-temperature electric properties as Pic. 2 below
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