Stainless Steel Vacuum Sealing Flange Kit for 25-150mm OD Tubes


Pair of smart sealing assembly for vacuum tube furnaces to tighten both sides of their tubes without any welding or gluing. Silicon vacuum sealing gasket included. Excellent for any types of tubes including ceramic, glass, quartz, steel, etc.

SKU: FS Categories: ,


Package includes

  • One flange with vacuum gauge and valve
  • One flange with valve
  • Four high temperature silicon o-rings
  • Securing screws


  • Polished stainless steel construction
  • Seal tube by tighten screws on the flanges without any welding or gluing
  • Tube fitting: 1/4″ hose barb (KF25 upon request)
  • Vacuum barb adapter: M14 tapered
  • Vacuum gauge port: M14 non tapered

Additional information

Weight8 lbs
Dimensions10 × 6 × 8 cm
Tube size

25mm OD tubes, 50mm OD tubes (+$50.00), 60mm OD tubes (+$100.00), 100mm OD tubes (+$650.00), 150mm OD tubes(+$1,450.00)


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