What is the difference between an Adapter versus a Union for chromatography- FAQ

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ARTICLES, APPNOTES, FAQ
INTERNAL ONLY – CONFIDENTIAL
ONLINE TOOLS
SALES POLICIES

April 19, 2023
Tanya

ARTICLES, APPNOTES, FAQ / Chromatography Accessories & Supplies Information / Column Couplers / Equipment FAQ / Fittings Connectors Nuts Ferrules Information / Frequently Asked Questions?? / Sample Loops / Tools Information / Tubing Information / Unions

An adapter uses at least two different thread sizes or connection types such as luer connections in the adapter regardless of the tubing size or type.

A union brings different tubing together regardless of size or type but uses the same threads on all ports.

Adapters connect two different types of thread/port configurations, while unions have the same thread/port configuration on both sides. Both Adapters and Unions can connect different types or ID of tubing.

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