Report on comparing fittings and examining connectors for tubing

14th September 2016
Posted By : Anna Flockett
Report on comparing fittings and examining connectors for tubing

Several common fitting styles for thermoplastic and thermoset tubing are looked at in detail in the recent report from NewAge Industries, ‘A Comparison of Fittings’. The paper explains each fitting’s features, applications, material availability, installation steps, and the tubing materials with which each works best. Clamps are also reviewed.

‘A Comparison of Fittings’ focuses on barbed fittings, push-to-connect fittings, compression fittings and cam operated couplings. Detailing how each one works with tubing to ensure a good seal for proper fluid or air transfer.

For instance, the report’s Barbed Fittings section notes that in order to obtain a proper seal, the O.D. (Outer Diameter) of the barbed area on the fitting must be slightly larger than the I.D. (Inner Diameter) of the tubing. The Push-To-Connect Fittings section offers tips such as making sure that the tubing used does not have exterior scratches, as this could compromise the seal.

Each section lists the tubing material that works best with each particular fitting. Semi-rigid tubing like nylon, polyethylene and hard durometer polyurethane works well with push-to-connect fittings. Reinforced hose, whether it’s PVC, polyurethane or a multi-layered product, are more often used with cam operated couplings. Softer tubing such as silicone and PVC are well suited for barbed fittings.

Three types of clamps, Oetiker, worm gear and double bond, are examined as well. The paper explains how they’re installed, available materials and considerations for overall fluid system design.


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