These adaptive centering rings can work with obsolete bore sizes. They are used to seal the connection between two different sized ISO-KF vacuum flange faces when used with a flange clamp.
Seal connection between different size ISO-KF flange faces
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iso-kf-flange-adaptive-centering-rings - Drawings
Additional drawings are not available for this product.
Specifications
Component Type
Adaptive Centering Ring Seal Assembly
Series
Series 31
Flange Type
ISO-KF
Features
Joining Different Size ISO-KF Vacuum Flanges
The NW10 ISO-KF vacuum flanges uses the same basic flange and clamp as the NW16 flange, and the two flanges can join via an adaptive centering ring. Adaptive centering rings are also available for obsolete NW20 and NW32 size ISO-KF vacuum flanges.
ISO-KF Vacuum Flange Standard Dimensions
inch (mm)
The International Standards Organization has defined the interface dimensions of ISO-KF vacuum flanges allowing the interchanging of components that conform to the ISO-KF standard. The ISO-KF flange system provides is a modular building block method for creating a vacuum systems. Since component dimensions are standardized, elbows, tees, crosses or valves for a given flange size can be interchanged. The flanges are sexless and the seal is symmetrical allowing components to be rotated. By using ISO-KF standard components, vacuum system assembly is quick and cost effective.
Joining ISO-KF Vacuum Flanges
ISO-KF vacuum flange components are joined by inserting a centering ring seal between the two flange faces, then securing the assembly with a flange encompassing clamp. There are a variety of flange clamp choices available. The wing-nut flange clamp is hand tightened until metal contact is felt. The toggle flange clamp is convenient and easy to use and provides enough sealing force to fully compress the O-Ring, so that the flanges and the centering ring are metal to metal. The self-adjusting clamp locks in a positive method making it ideal when clamp must be removed frequently, like leak testing or gauge calibration. Bulkhead flange clamps attach an ISO-KF flange directly to a chamber or base plate. The two-part, bolted clamp fits over the flange with a centering ring assembly used between the flange and the opening.
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