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Sealing rubber rings of circular section

Sealing rubber rings of fluoroelastomer СКФ 26 considerably exceed the products of hydrocarbon rubber (lump or acrylate); they are meant for operating in especially difficult service conditions. To the chemical stability fluoroelastomers excel all known elastomers. They are steady to the concentrated and weak mineral acids and alkalis, many aliphatic and aromatic chlorinated and unchlorinated carbohydrates, benzine, oils, lubricants and gas.

Depending on demands and operating conditions, the rings are made of different rubber types with fluoroelastomer СКФ 26, the solidity level from 55 to 95 (under ШОР А) and attrition strength to 14 J/mm. Резиновые уплотнительные кольца, изготовленные из резины на основе фторкаучука

Seal rubber rings, made of fluoroelastomer rubber СКФ 26 , approved themselves in petrochemistry, while running in oil, tar, phenol, chlorbenzene, silicon organic liquids, weak acids, alkalis, and hydrogen sulfide mediums. In oil and fuel medium the rings are operable at the temperature from -20oC to +300 (long-term running) and even to +350 (short-term running). In acid and alkalis solutions the rings are operable at the temperature from -20oC to +200 (long-term running) and even to +250 (short-term running).

 

Резиновые кольца на основе бутадиен-нитрильных каучуков

Seal rubber rings of butadiene-nitrile rubber are characterized by a higher specific elongation (to 450%) and lower thermal limit fragility (to -60oC). Seal rubber rings made of butadiene-nitrile rubber showed themselves in oil production, while running in oil mediums, containing to 30% aromatic additives, and in formation and silicon organic water. In the engine and transmission oil mediums the rings are operable at the temperature from -60oC to +150 (long-term running) and even to +180oC (short-term running). In the hypoid and solar oil medium the rings are operable at the temperature from -60oC to +140 (long-term running) and even to +160oC (short-term running).

 

Резиновые кольца на основе этилен-пропиленовых каучуков

Rubber rings of ethylene-propylene rubber approved themselves in energetics, while running in the spirits, ether, ketone, air, steam, alkali, and mud fluid mediums. In the air and steam medium the rings are operable at the temperature from -50oC to +200 (long-term running) and even to +300oC (short-term running); in the acid and alkali solutions the rings are operable at the temperature from -50oC to +180 (long-term running) and even to +250oC (short-term running).

Supply contract
Order card for sealing rings of circular section
Drawing of rubber ring of circular section with main dimension types

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