Identifying a compression fitting
- Jan 11, 2018 -
If you’re looking at a fitting and wondering if it’s a threaded or compression, take a look inside. The compression fitting will have a seat inside for the tube. This is the quickest way to identify a compression fitting.
If you need more proof, look for a nut and the aforementioned ferrule (ring). The threads alone won’t tell you what you need to know, as it’s difficult to look at threads quickly and determine if they are tapered or parallel, let alone if they are port or tube connectors.
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