Spiral Back-up Ring Back-up Rings

3 Results
Back-Up Rings - Type BU/BG
from Trelleborg Sealing Solutions Germany GmbH

Rectangular cross section. For static and dynamic use. Reciprocating and rotating movements possible. Material: PTFE. Back-up Rings are installed together with O-Rings and Quad-Ring ® Seals to prevent extrusion in applications above 5 MPa / 725 psi. Available in spiral, cut, or uncut designs in... [See More]

  • Construction: Contoured Face; Spiral Back-up Ring
  • Shaft O.D. or Ring I.D.: 0.3150 to 8.27
  • Design Units: Metric
  • Radial X-section: 0.1220 to 0.4843
Spiral Back-Up Ring
from T-LON Products, Inc.

T-Lon is now offering a line of PTFE spiral back-ups. We are making available the three most popular spiral ring series of 28782, 28783, and the TF171 series. These will compliment our popular standard split and solid backups in 28774, 27595 series and the metric "G" & "P" style J.I.S. standards... [See More]

  • Construction: Spiral Back-up Ring
  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE); T-LON Variants
Back-Up Rings
from TFC Ltd.

Spiral, Single Cut and Solid PTFE as well as Rubber and Polyurethane Contoured back-up rings. [See More]

  • Construction: Spiral Back-up Ring
  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE) (optional feature)