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KF Vacuum Blind Flange - 304 Stainless Steel

KF Vacuum Blind Flange - 304 Stainless Steel

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The S4R KF Vacuum Blind Flange is designed to close unused KF vacuum ports in laboratory vacuum lines, tube furnace systems and modular research assemblies.

Manufactured from 304 stainless steel, the solid blank flange provides a simple removable termination point for compatible KF connections. It is installed using the corresponding KF centering ring, O-ring and quick clamp, allowing unused ports to be sealed while remaining easily accessible for future system modification.

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

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The S4R KF Vacuum Blind Flange provides a simple removable solution for closing unused KF vacuum ports. Manufactured from 304 stainless steel, the solid blank flange is installed using the corresponding KF centering ring, O-ring and quick clamp, allowing unused connections to be sealed while remaining accessible for future system modification.

Key Features

✓ 304 stainless steel construction
✓ Solid blank flange for unused KF ports
✓ Removable KF connection
✓ Compatible with matching KF clamps and centering rings
✓ Standard KF16 to KF100 sizes
✓ Suitable for modular laboratory vacuum systems

Typical Applications

• Laboratory vacuum lines
• Tube furnace vacuum systems
• Vacuum pumps and manifolds
• Gas-handling assemblies
• Research instrumentation
• Temporary or permanent closure of unused KF ports
Technical Specifications
Product Type KF vacuum blind flange
Material 304 stainless steel
Function Closure of unused KF vacuum ports
Available Sizes KF16 / KF25 / KF40 / KF50 / KF63 / KF80 / KF100
Installation Compatible KF clamp and centering-ring assembly
Available KF Sizes
KF16 Standard
KF25 Standard
KF40 Standard
KF50 Standard
KF63 Standard
KF80 Standard
KF100 Standard
Installation Principle
Blind Flange Positioned against the KF port to be closed
Centering Assembly Centering ring and O-ring form the sealing interface
Clamp Compatible KF quick clamp secures the complete connection
Technical Notes
• Select the blind flange according to the KF size of the port being closed.
• A compatible centering ring, O-ring and KF clamp are required to complete the connection.
• Ensure that the flange and sealing surfaces are clean before assembly.
• Vacuum performance depends on the condition of the sealing components and the complete vacuum system.
Supply
1 × KF Vacuum Blind Flange
KF clamp, centering ring and O-ring not included

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