VCR Adapter - Zero-Leak Metal Seal for Vacuum Systems

Vacuum KF to VCR Female Adaptor China manufacture

Vacuum fittings adaptors,KF-VCR Male adaptors, VCR fittings seal by the compression of a gasket between two highly polished beads on the surfaces of the VCR connectors.

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304.S.S Vacuum Flange KF to VCR Male Adaptor Fittings China manufacture

Male adaptors,KF-VCR adaptors is suitable for medium to low vacuum systems and suitable for temperature ranges from -200℃ to 800℃.

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Why choose us

Metal Gasket Seal

Uses a captive metal gasket (e.g., 316L) and gland to create a helium-tight, high-pressure and high-vacuum seal, ideal for hazardous or pure media.

High Purity & Cleanliness

The internal surface is electropolished to a low Ra value, minimizing particle traps and outgassing for processes sensitive to contamination.

Reusable Connection

The nut-and-ferrule system allows for multiple make-and-break cycles while maintaining a reliable seal, simplifying maintenance.

News

KF Clamp Tightening: How Much Torque Is Actually Enough?

Determining adequate tightening torque for ISO-KF clamp connections, with size-based reference ranges and practical “eno...

2026-10-23

KF25 vs KF40 vs KF50: Selecting by Pump Speed and Line Length, Not Just Similar Inner Diameter

Selecting among KF25, KF40 and KF50 quick-connect flange sizes by evaluating how line conductance limits effective pumpi...

2026-10-19

Why KF Quick-Connect Fittings Are So Widely Used in Modular Vacuum Systems

Learn why KF quick-connect fittings are widely used in modular vacuum systems. Compare KF with ISO and CF flanges, revie...

2026-10-10

Why KF Seals Fail: Centering Ring & O-Ring Guide

Most KF vacuum seal failures trace back to the centering ring or O-ring — not the clamp. Learn how to select, match, and...

2026-09-30

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Accessory replacement