Six PEEK 1/4-28 flat-bottom flangeless fittings
Manual valves serve well in applications that require operator control or involve lesser frequency of use or injection of smaller sample volumes. These valves also allow for shutting off flow during cleaning, column replacement, or other operations that would otherwise involve stopping applications entirely.
Injection valves are a type of switching valve usually featuring a two-position, six-port configuration, including an attached sample loop (a length of tubing and fittings that match the angle of the valve ports). This allows samples to be introduced into the flowing fluid stream from the loop when triggered.
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