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Sealing Ring

Product categories of Sealing Ring, we are specialized manufacturers from China, Sealing Ring, Rubber Seal Ring suppliers/factory, wholesale high-quality products of Plastic Washer R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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O Ring

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Plastic Washers

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Rubber Gaskets

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Rubber Diaphragm

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Oil Seal

China Sealing Ring Suppliers

O Ring, Rubber O Ring: An O-ring, also known as a packing, or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.


O ring are installed in the groove, moderate compression section for type O Sealing Ring (circle). Because of its manufacturing cost is not high, convenient installation and therefore has been widely used in the sealing industry.

O-ring mainly used for fluid (such as: water, oil, air, chemical solvents, chemicals, etc.) and sealing the gap between a static long-term use temperature of -60 to 220 .. Varies on material, the use of static pressure is less than 20MPa. Sometimes for dynamic, dynamic pressure when using less than 5MPa. And semiconductor vacuum seal.

An o-ring technically is also a gasket but it's shape and the material it is made from differs from most gaskets. The biggest difference between the two is o-rings are almost exclusively used for very high pressure applications such as hydraulics where a regular cork, paper or Rubber Gasket would fail.

Gasket is also called as static seal. It is a mechanical element use to prevent the leakage of fluid between the two components which are static or doesn't have relative motion. While Oil Seal also called as dynamic seal is use to prevent leakage of fluid between two components having relative rotary or sliding motion.

A gasket is primarily used to seal two mating surfaces. It prevents leakage of fluids. Washers on the other hand are used primarily to spread pressure evenly, and are used in places of high vibration.

A washer is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut.

Our Factory used materials: Nitrile Rubber, Silicone Rubber, Fluorine Rubber, EPDM Rubber, Acrylic Resin, Tetrapropanate Fluorine Rubber, Chloroprene Rubber, Epichlorohydrin Rubber, Fluoro Silicone Rubber, Hydrogenated Nitrile Rubber, Butyl Rubber, Natural Rubber, Polyurethane Rubber, Styrene Butadiene Rubber, PE, PTFE and so on.

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