Polyurethane / Urethane Dynamic Seals Datasheets

G-T Ring 13,000 Series
from Greene, Tweed & Co.

The unique G-T ® Ring provides a compact double-acting seal for use in new designs for light or heavy duty applications where a more bulky type of seal had previously been required. This proven seal combines a tough, resilient, T-shaped sealing element with precisely dimensioned,... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Ethylene Propylene (optional feature) Fluoroelastomer (FKM) (optional feature) Nitrile (NBR) (optional feature) Polyurethane (optional feature)
  • Seal Orientation: Rod Seal (optional feature); Piston Seal (optional feature)
  • Seal Type: Hydraulic / Pneumatic Seal
  • Design Units: Metric
511 Series Rod Seals & Single Acting Piston Seals -- 511
from Hallite Seals International Ltd.

The Hallite 511 is a loaded U cup utilising a polyurethane or polyester shell energised by a high specification resilient O ring.At zero or low pressure, the O ring helps to increase the sealing force preventing any bypass. As pressure rises the sealing force increases and the O ring ensures... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Polyester
  • Seal Orientation: Rod Seal; Piston Seal
  • Seal Type: Bearing Isolator
  • Design Units: English
Anti-Extrusion Rings -- Butt Cut Backup Style Ring
from Hi-Tech Seals, Inc.

The primary function of anti-extrusion rings is to take up space in a groove, and/or prevent extrusion of material at high pressures. Anti-extrusion rings can also be used to assist seals where exaggerated clearance gaps are an issue. The determining factors when selecting anti-extrusion ring... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) (optional feature) Nitrile (NBR) (optional feature) Polyetheretherketon (PEEK) (optional feature) Polytetrafluoroethylene (PTFE) (optional feature) Polyurethane (optional feature)
  • Design Units: Metric
  • Seal Type: Back-up Ring
  • Operating Temperature: -328 to 500
45 D Shore Polyether Polyurethane -- R-45D
from Real Seal Company

Premiere Polyurethane Products. Real Seal has developed a reputation for being one of the premiere urethane product suppliers in the market. Becoming the industry standrad for physical toughness, polyurethane sees active service in applications requiring resistance to abrasion, tear, and high... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane