Hydraulic Seals

R0.00

A Hydraulic Seal is a relatively soft, non metallic ring captured in a groove or fixed in a combination of rings forming a sealing assembly, to block or separate fluid in reciprocating motion applications.

Additional Information

SKU: HYDRAULIC-SEALS Category: Tags: , ,

Description

A Hydraulic Seal is a relatively soft, non metallic ring captured in a groove or fixed in a combination of rings forming a sealing assembly, to block or separate fluid in reciprocating motion applications.

Hydraulic seals are vital in machinery as their use is critical in providing a way for fluid power to be converted into linear motion.

 

The type of material used is determined by the specific operating conditions or limits due to:

  • Fluid type
  • Pressure
  • Fluid chemical compatibility
  • Temperature

 

Hydraulic seals are made from a variety of materials including:

  • polyurethane
  • Nitrile
  • Viton®
  • Silicone
  • EPDM
  • PTFE

 

Static and Dynamic Sealing:

  • A Static Hydraulic Seal is located in a groove and sees no movement, therefore acting like a gasket.
  • There are two (2) types of Dynamic Hydraulic Seals:
    * ROD SEALS are exposed to movement on its inner diameter along the shaft or rod of a hydraulic cylinder.
    *PISTON SEALS are exposed to movement on its outer diameter along the tube or bore of a hydraulic cylinder.

 

Common types of Hydraulic seals:

PISTON SEALS

  • Single acting solid base piston seals
  • Single acting u-cup piston seals
  • Single acting solid base and u-cup seals with anti-extrusion ring on o.d.
  • Fabric, polyurethane, nitrile piston cup seals
  • Bronze or carbon filled PTFE piston seal with elastomer on i.d. acting as energizer
  • Double acting piston seals (5pc + 3pc)

ROD SEALS

  • Single acting solid base rod seals
  • Single acting u-cup rod seals
  • Single acting solid base and u-cup seals with anti-extrusion ring on i.d.
  • V-pack or chevron pack seals
  • Bronze or carbon filled PTFE rod seals with elastomer on o.d. acting as energizer

WIPER SEALS: (Various styles and designs available)

  • Single step
  • Double step
  • U-cup combination wiper
  • Metal case wiper

Guide Rings:

  • Various wear strip & ring materials available depending on the specific application.
Hydraulic Seals