KF40 Centering Ring with Viton O-Ring – ISO-KF/NW40 Vacuum Seal (Set of 5)

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KF40 Centering Ring with Viton O-Ring – ISO-KF/NW40 Vacuum Seal (Set of 5)

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Original price was: ₹1,775.00.Current price is: ₹1,600.00.

ISO-KF/NW40 centering ring with Viton O-ring designed to ensure proper alignment and leak-tight sealing between KF40 vacuum flanges. Compatible with standard KF40 clamps and fittings. Supplied as a set of 5.

Availability: 100 in stock SKU: UHVS KF40CR-SS Category: Tags: , , , , , , ,
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Description

Product Overview

The KF40 (NW40) centering ring with Viton O-ring is a standard ISO-KF vacuum sealing component used to align mating KF40 flanges while providing a reliable, leak-tight vacuum seal. Installed between two KF40 flanges and secured using a compatible clamp, the centering ring ensures accurate positioning and consistent sealing performance.

The integrated Viton elastomer O-ring offers excellent resistance to chemicals, elevated temperatures, and vacuum degradation, making it suitable for demanding laboratory, research, and industrial vacuum applications. This centering ring is widely used in vacuum pipelines, coating systems, process equipment, and analytical instruments.

Key Features

  • ISO-KF / NW40 standard centering ring

  • Integrated Viton O-ring for reliable vacuum sealing

  • Ensures accurate flange alignment

  • Excellent chemical and temperature resistance

  • Compatible with standard KF40 clamps and flanges

  • Suitable for medium and high vacuum applications

  • Supplied as a set of 5 centering rings

Technical Specifications

Parameter Specification
Standard ISO-KF / NW40
Nominal Size KF40 (NW40)
Centering Ring Material Aluminum
O-Ring Material Viton
Vacuum Range Medium to High Vacuum
Compatibility KF40 flanges & clamps
Quantity Set of 5

Applications

Suitable for use in a wide range of vacuum systems, including:

  • Research & Development laboratories

  • Semiconductor and coating systems

  • PVD / CVD vacuum equipment

  • Chemical and process vacuum setups

  • Industrial vacuum pipelines

  • Pharmaceutical and analytical vacuum systems

Actual usage and configuration depend on system design and operating conditions.

Why Buy from Ultrahivac

  • Precision-manufactured ISO-KF vacuum components

  • Consistent sealing and dimensional accuracy

  • Compatibility with standard vacuum hardware

  • Trusted supplier for laboratory and industrial vacuum users

FAQs

Is this centering ring compatible with standard KF40 vacuum clamps?
Yes, it is fully compatible with standard ISO-KF40 clamps and flanges.

What type of O-ring is supplied with this centering ring?
The centering ring is supplied with a Viton O-ring, suitable for most vacuum applications.

Can this be used in high vacuum systems?
Yes, when used with proper flanges and clamps, it is suitable for medium to high vacuum systems.

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