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KF (QF) HV Centering Rings (Al)
KF (QF) HV Centering Rings (SS)

Our stainless steel centering rings come with Buna-N, fluorocarbon, or silicone o-rings. KF (QF) HV centering rings are designed for temperature and pressure limits within the HV range based on the o-ring material.
KF (QF) HV Centering Rings (Al)
KF (QF) HV Centering Rings (Al)

Our aluminum centering rings come with Buna-N, fluorocarbon, or silicone o-rings as standard variety of materials offered. KF (QF) HV centering rings are limited to temperatures and pressures related to the HV range due to the properties of the o-rings.

 
KF (QF) HV Centering Rings with Screen (SS)
KF (QF) HV Centering Rings with Screen (SS)

Screened centering rings are essential to filter the vacuum flow and to protect against particulates creating contamination. KF (QF) HV centering rings are limited to temperatures and pressures related to the HV range due to the properties of the o-rings.
KF (QF) HV Centering Ring with Outer Ring & O-Ring
KF (QF) HV Centering Ring with Outer Ring & O-Ring

Trapped centering rings with outer ring and o-ring are used to connect two flanges together and create a vacuum seal with the use of a clamp. These centering rings also provide for cases of slight over pressure. KF (QF) HV centering rings are limited to temperatures and pressures related to the HV range due to the properties of the o-rings.
KF (QF) HV Adaptive Centering Rings
KF (QF) HV Adaptive Centering Rings

Adaptive centering rings are used for adapting uncommon bore sizes to standard bore size flanges. KF (QF) HV centering rings are limited to temperatures and pressures related to the HV range due to the properties of the o-rings.
KF (QF) HV Replacement O-Rings
KF (QF) HV Replacement O-Rings

We offer a variety of replacement o-rings for our standard centering rings. Standard materials offered are fluorocarbon, Buna-N (nitrile rubber) and silicone. Other materials are available as well, such as Kalrez and EPDM.
KF (QF) HV Over Pressure Rings The KF (QF) HV Over Pressure Rings from TFM are essential components designed to protect vacuum systems from the risk of overpressure. These rings provide a secure, reliable sealing solution in ISO-KF vacuum systems, ensuring optimal performance and safeguarding your equipment from potential damage due to pressure variations. Crafted from high-quality materials, these overpressure rings are ideal for use in high-vacuum and high-pressure environments where system integrity must be maintained. Key Features of KF (QF) HV Over Pressure Rings Protection Against Overpressure: The primary function of the over pressure ring is to act as a safeguard against overpressure conditions, protecting sensitive system components from damage due to excessive pressure. Durable Construction: Made from high-quality materials, these overpressure rings are engineered to withstand extreme pressure and temperature conditions, offering excellent corrosion resistance and long-lasting durability. Leak-Tight Sealing: Designed to integrate seamlessly with KF (QF) flanges, the rings provide a secure, leak-tight seal, ensuring that the vacuum integrity of your system is maintained even under fluctuating pressure. Easy Installation: These overpressure rings are easy to install and work in tandem with KF (QF) flange connections, providing a reliable solution to protect your vacuum system from overpressure damage without the need for additional tools or complex setups. Compatibility: Compatible with a wide range of KF (QF) vacuum flanges, including KF10, KF16, KF25, KF40, and KF50, these overpressure rings provide flexible protection across various vacuum system configurations. Applications The KF (QF) HV Over Pressure Rings are designed for use in a variety of high-vacuum applications where overpressure protection is critical, including: Vacuum chambers Semiconductor fabrication Pumping systems Analytical instruments Research laboratories These overpressure rings are particularly beneficial in applications where fluctuating pressure levels could compromise the integrity of the vacuum system. Why Choose TFM’s KF (QF) HV Over Pressure Rings? At TFM, we specialize in providing high-performance vacuum components that ensure the stability and reliability of your systems. Our KF (QF) HV Over Pressure Rings offer exceptional protection against overpressure events while maintaining the leak-tight integrity of your vacuum system. With our commitment to quality and precision, you can trust TFM to deliver the most reliable and durable solutions for your high-vacuum applications.
KF (QF) HV Over Pressure Rings

Over Pressure Rings fit around the outside diameter of a QF Centering Ring to help retain the o-ring if a system is exposed to a sudden burst of pressure.

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