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The Professional Sealing Solution Supplier(O Ring Suppliers & Oil Seal Manufacturers).

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The design of o-ring seal determines the use of the product

by:DMS Seals     2021-04-03

The o-shaped sealing ring is suitable to be installed on various mechanical equipment, in the specified temperature, pressure, and different liquid and gas media, and play a sealing role in a static or moving state. Various types of seals are widely used in machine tools, ships, automobiles, aerospace equipment, metallurgical machinery, chemical machinery, engineering machinery, construction machinery, mining machinery, petroleum machinery, plastic machinery, agricultural machinery, and various instruments and meters. element. Silicone rubber O-rings Silicone O-rings have excellent heat resistance, low-temperature elasticity and particularly excellent resistance to oxidation and ozone. They have high air permeability and selectivity for gas transmission. Good electrical insulation properties (volume resistance greater than 1016 ohm.cm, breakdown voltage above 30kv/mm), corona resistance and arc resistance. But adding conductive carbon black, nickel powder, aluminum powder, silver powder O-rings are mainly used for static sealing and reciprocating sealing. When used for rotary motion sealing, it is limited to low-speed rotary sealing devices. O-rings are generally installed in a groove with a rectangular cross-section on the outer circle or the inner circle for sealing.
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