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KF Vacuum Centering Ring with O-Ring

KF Vacuum Centering Ring with O-Ring

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The S4R KF Vacuum Centering Ring with O-Ring provides the sealing and alignment interface between two compatible KF vacuum flanges. The centering ring positions the connection concentrically while the integrated O-ring forms the sealing interface when the flange pair is secured with a KF quick clamp.

Designed for laboratory vacuum systems, tube furnaces and modular gas/vacuum assemblies, the component can be replaced independently during maintenance without replacing the complete KF connection hardware.

Available in standard KF16, KF25, KF40, KF50, KF63, KF80 and KF100 sizes.

0.00 € 0.0 EUR 0.00 €

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The S4R KF Vacuum Centering Ring with O-Ring provides the alignment and sealing interface between two compatible KF vacuum flanges. The centering ring maintains correct positioning of the connection, while the O-ring forms the sealing interface when the flange pair is secured using a compatible KF quick clamp.

Key Features

✓ KF flange centering and sealing assembly
✓ Centering ring with matching O-ring
✓ Maintains alignment between mating KF flanges
✓ Removable and replaceable sealing component
✓ Standard KF16 to KF100 sizes
✓ Compatible with corresponding KF quick clamps

Typical Applications

• Laboratory vacuum lines
• Tube furnace vacuum connections
• Vacuum pumps and manifolds
• Gas-handling assemblies
• Research instrumentation
• Modular KF vacuum systems
Technical Specifications
Product Type KF vacuum centering and sealing assembly
Components Centering ring + matching O-ring
Connection System KF quick-clamp vacuum flange
Available Sizes KF16 / KF25 / KF40 / KF50 / KF63 / KF80 / KF100
Installation Positioned between two compatible KF flanges
Available KF Sizes
KF16 Standard
KF25 Standard
KF40 Standard
KF50 Standard
KF63 Standard
KF80 Standard
KF100 Standard
KF Sealing Principle
Centering Ring aligns the two mating KF flanges
Sealing O-ring forms the sealing interface between the flanges
Clamping Compatible KF clamp secures the complete connection
Technical Notes
• Select the centering ring according to the KF flange size of the components being connected.
• Position the centering ring between both mating flange faces before installing the clamp.
• Ensure that the O-ring and flange sealing surfaces are clean before assembly.
• Vacuum performance depends on the condition of the sealing components and the complete vacuum system.
Supply
1 × KF Centering Ring with Matching O-Ring
KF quick clamp not included

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