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PTFE Gasket

Solid PTFE Back-up Rings


Split PTFE Back-up Rings Solid PTFE Back-up rings are the basic model of the back-up rings which are used along with O-rings to avoid extrusion in high pressure transactions. Whenever an O-ring is installed as a sealant, they tend to enter the clearance gap during specific transfers and in order to make sure that they stay in place, these additional components are used.

They can be manufactured using different base materials but PTFE continues to be the most preferred of the lot because of the practical advantages that it offers. They have excellent and high levels of resistance against all types of chemicals, gases and liquids. These materials can withstand high pressure and high temperature which makes them reliable. Such benefits contributed it to becoming the ideal candidate for manufacturing back-up rings using the material.

When it comes to sealing dynamic and static applications, Rubber O-rings are the best choice for effectively completing the job. They are widely used in pneumatic and hydraulic equipment but unless they are coupled with solid PTFE Back-up rings or other types of back-up rings as required, they may not be able to serve their intended purpose.

These components act as a barrier to stop O-rings from extruding to the clearance area of the mating surface especially when they are put under high pressure or high temperature conditions. They are mandatory accessories with the Solid variant featuring a complete design without any splits while there are split and scarf among other variants used according to the baseline of the surface or the shape of the O-ring.

American Seal & Packing can help to determine the type of PTFE Back-up Rings required. PTFE is one of the type of gasket material we specialize in, however we do offer a wide range of other materials than may be better suited to your application.

Buy Online

Item# Price
PTFEBUR-036-SOLID $ 390.00
PTFEBUR-037-SOLID $ 400.00
PTFEBUR-038-SOLID $ 420.00
PTFEBUR-039-SOLID $ 440.00
PTFEBUR-040-SOLID $ 460.00
Buy Solid PTFE Back-up Rings

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