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IDEX Health & Science carries a line of fittings that use PEEK tubing sleeve to allow the connection of capillary tubing to mating ports, with standard 1/16″ threads (10-32 style). The tubing sleeves are standard 1/16″ OD and are available as part of our standard product line.
To use the system properly, first insert your capillary tubing into an appropriately sized PEEK tubing sleeve, the sleeve ID approximately .002″ greater than the OD of your capillary tubing. Then slide the nut and ferrule over the sleeve. Next, push the tubing sleeve assembly into your port until it bottoms out, and tighten the fitting finger tight.
Additionaly, IDEX Health & Science has added a line of special FEP Teflon tubing sleeves for this same purpose. Functionally, they perform just as our PEEK tubing sleeves do; however, due to the relative softness of the Teflon tubing sleeves, standard SealTight Fingertight fittings may be used.
In most cases, these assemblies will hold to 6,000 psi.