What is the difference between a union and an adapter in HPLC - FAQ
April 21, 2012
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The biggest difference is the price where a union is much less expensive than an adapter.

For performance considerations, a union will make a connection between tubing and fittings that have the same thread size and thread count configurations. An adapter will connect two different thread sizes and thread count.

Click HERE for HPLC fittings ordering information and pictures.

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