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Backups

Back-ups

Back-up rings are installed together with o-rings or other accompanying seals to prevent gap extrusion in sealing applications. They are available in a spiral, split, or solid design.

Seals/Backup Rings 
Viewing Page 1 of 4 (34 results)

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 1 in Nominal Inner Diameter | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$7.71
/EA

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 1 3/8 in Nominal Inner Diameter | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$15.29
/EA

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 3 1/2 in Nominal Inner Diameter | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$21.95
/EA

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 3 1/2 in Nominal Inner Diameter | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$21.95
/EA

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 2 13/16 in Nominal Inner Diameter | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$12.34
/EA

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 7 3/8 in Nominal Inner Diameter | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$44.26
/EA

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 2 1/2 in Nominal Inner Diameter | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$18.80
/EA

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 4 in Nominal Inner Diameter | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$23.15
/EA

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 11 1/4 in Nominal Inner Diameter | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$56.39
/EA

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 13 in Nominal Inner Diameter | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$76.50
/EA
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