Beswick originated not only the use of an o-ring face seal in miniature pneumatics, but also the single line contact barb. All Beswick tube fittings feature this proprietary single-edge barb profile...
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Beswick fittings are supplied with Buna-N O-rings retained in a precision machined groove. We install the O-rings at our factory, saving you the assembly costs incurred with gasket style fittings....
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