This is a quick clamp vacuum sealing assembly for tube vacuum furnace tube of OD 80 mm with no welding or gluing needed.
SPECIFICATIONS
Features
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- Stainless steel flange with double high-temperature silicon O-rings.
- Seal tube by tightening screws on the flange with no welding and glue needed.
- Clamp allows quick access to content inside the furnace.
- High-temperature silicon O-ring and centering ring at flange cap.
- 1/4" in diameter vacuum sealing assembly connects with rubber hose.
- Ideal for any type of tubing: ceramic, glass, quartz and steel pipe.
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Vacuum Level |
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Optional Parts |
- For precision vacuum control up to 10-4 torr, please choose our Digital Vacuum Gauge. (Fig.1)
- For CVD application, please choose our Anti-corrosive Vacuum Gauge. (Fig.2)
- We provide various Fitting Ends for separate purchase. (Fig.3)
- For advanced control over gas flow, please choose our Float-meter. (Fig.4)
- The product requires flange support, please consider our Adjustable Tube Support. (Fig.5)

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Warning
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A refractory tube block is required in front of the flange to avoid silicone O-ring melting.
Please consider purchasing our ceramic tube block
- This product is heavy, flange support is required to avoid damage on the furnace tube.
- 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.
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Related Products |
Click here to choose flange for tube from 1" to 11" Vacuum Pump & High Vacuum Station
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STANDARD PACKAGE:
Part Number |
Part Name |
Qty |
1 |
Inner and Outer Flange |
1 pair |
2 |
Pressing Ring |
1 |
3 |
Centering Ring |
1 |
4 |
Flange cap with valve |
1 |
5 |
Hexagon screws |
3 |
6 |
Clamp |
1 |
7 |
High-Temperature Silicone O-ring (Black) |
1 |
8 |
High-Temperature Silicone O-ring (White) |
2 |
9 |
Gauge (only included for purchase with left flange) |
1 |
Manufacturer Part Number: