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EVR Products Component

Spool-type rubber expansion joints

Model SJ-21, SJ-221, SJ-222, SJ-205

Hand-built spool-type rubber expansion joints in single and multi-arch designs, absorbing vibration and thermal movement in piping such as marine engine cooling water lines.

Description

EVR's spool-type rubber expansion joints absorb vibration and accommodate expansion, contraction and misalignment in piping systems. They are hand-built in single and multi-arch designs and offered in a variety of elastomers.

Key features

  • SJ-21: industry-standard spool-type joint with zero to four arches, 3 standard pressure ratings and a variety of elastomers; options include filled arches, Teflon liners, soft cuff ends and concentric or eccentric tapered ends
  • SJ-221 / SJ-222: unique arch design; the single-arch SJ-221 matches the movement of a traditional double arch and the double-arch SJ-222 equals a quadruple-arch product, with lower spring rates
  • SJ-205: streamlined, self-cleaning single arch that eliminates buildup of suspended materials

Applications

On vessels, EVR's marine expansion joints control expansion, contraction and vibration in engine cooling water, waste water handling and bilge water systems. EVR supplies standardized joints or custom-manufactures them to requirements.

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