E1
Single seal with metal bellows, balanced, installation according to L1k DIN 24960, independent from the direction of rotation.
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E2
Single seal with metal bellows, balanced, independent from the direction of shaft rotation.
Elastomer O-rings are replaced with flexible graphite gaskets, owing to which the seal can be operated in temperatures higher than the E1 seal.
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EP
Single seal, metal bellows, independent direction of rotation, balanced, compact (cartridge) design. The seal acc. to EN ISO 21049 (API 682): type B, category 1 (any glands) or 2 (gland dimensions acc. to ISO 13709), arrangement 1, configuration 1CW-FL.
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EPD
Double seal with metal bellows, compact (cartridge) design, balanced, dependent from the direction of rotation, plasticized graphite secondary seals. The seal acc. to EN ISO 21049 (API 682): type C, category 2 or 3, arrangement 2 or 3, configuration 2CW-CW or 3CW-FB.
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