Ptfe Encapsulated O Rings

Ptfe encapsulated o rings comprise of an encapsulated core which has been seamlessly encapsulated in a jacket of ptfe. Encapsulated o rings not all o rings are created equally. An o ring seal is a means for closing off a passageway preventing an unwanted escape of a gas or fluid and comes in a donut shape.

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Psp O Rings Seals Pspglobal Twittertip Encapsulated O Rings Have An Elastomeric Core Encapsulated In A Fep Ptfe Or Pfa Sheath Ww Psp O Ring Seal Design

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Tip The Low Coefficient Of Friction Of Ptfe Makes The Encapsulated O Ring An Ideal Choice For Abrasion Http Pspglobal Com O Ring Molding Rubber Seal

O Rings Used In Static And Dynamic O Ring

Kalrez costs an arm and a leg and ptfe while it may be chemically compatible very limited capability to recover after it has been compressed.

Ptfe encapsulated o rings.

The combination of these components creates an o ring that is virtually chemically inert and compression set resistant for use in harsh sealing environments. Encapsulated o rings are offered in two ptfe grades fep and pfa with a selection of three different energizers which give the user a choice depending on temperature and operating environment. The encapsulated o ring is intended to close off potential leak paths between mating surfaces in both static and dynamic applications. Fep ptfe encapsulated o rings combine ultimate chemical resistance of fep ptfe with the compressability of rubber or steel spring core.

Ptfe encapsulated o rings are o rings consisting of a seamless and uniform ptfe fep pfa encapsulation jacket which completely encloses a core material viton fluoroelastomer also available in silicone. Lubrication is less critical and can sometimes be omitted. It can be used at temperatures up to 500 f 260 c. Ptfe encapsulated o rings ptfe encapsulated o rings ptfe is a superior o ring material not affected by most chemicals.

When it comes to chemical service applications viton has it s limitations. Standard or imperial sizes come in fractions of an inch. Select from the various core options to satisfy your application. It has the lowest coefficient of friction of any solid material.

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