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Wire Rope Isolators Half Helical

Spring polycal isolators are compression wire rope and coil spring isolators that provide excellent isolation of vibration.


  • All metal coil spring and wire rope isolators
  • Vibration isolation from 4.5 Hz upwards
  • Interface: one fixture points to equipment and two fixture points to foundation(reversible)
  • Exceptional reliability and lifetime
  • Superior temperature range: -290 ° F to + 570 ° F
  • Static loading per isolator: 1.1 lbf to 4.4 kipf
  • Damping ratio: 5-10% (viscous equivalent)

Application Sectors

  • Manufacturing
  • Defense Industry
  • Aerospace
  • Nuclear
  • Oil Research
  • Railways
  • Medical


A large range of models are available, suitable for orientation in compression.