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HYDRAULIC CYLINDER SEALS

Wipers are installed in the sealing configurations of hydraulic cylinders to prevent contaminants such as dirt, dust and moisture from entering the cylinder as they retract back into the system.

Contamination can cause significant damage to the rod, cylinder wall, seals, and other components, and is one of the primary causes of premature seal and component failure in a fluid power system.

Umbrella wiper technology prevents ingress of moisture and slurry.

HALLITE WIPER OFFERINGS

Profile

Style

Temp. Range

Max Speed

Features

Datasheet

33

-30°C to 100°C

4.0m/sec

  • Wide range of sizes
  • Seal on housing and rod

38

-40°C to 120°C

4.0m/sec

  • Outside lip for effective housing seal
  • Pressure relief ribs
  • Effective scraping lip

335

-30°C to 100°C

5m/sec

  • Extends seal life
  • Low friction no stick-slip
  • Wide range of dimensions

425

-30°C to 100°C

1m/sec

  • Variety of materials
  • Twin lip design ensure drier sealing system
  • High flexibility

520

-40°C to 110°C

4.0m/sec

  • Precision trimmed sealing lip
  • ‘Crush lip’ and ‘face bead’ provide effective seal on housing
  • Low wear, long life
  • Cost effective
  • Pressure relief ribs
  • Hallite 361 or polyester material for heavy duty applications

521

-40°C to 110°C

4.0m/sec

  • Precision trimmed sealing lip
  • ‘Crush lip’ and ‘face bead’ provide effective seal on housing
  • Low wear, long life
  • Pressure relief ribs
  • Polyester material for heavy duty applications

820

-45°C to 110°C

4.0m/sec

  • Protective lips
  • I.D ribbing for stability, reduced friction, and prevention of pressure trapping

831

-30°C to 100°C

4.0m/sec

  • Precision trimmed sealing lip
  • ‘Crush lip’ and ‘Face bead’ provide effective seal on housing
  • Low wear, long life
  • Cost effective
  • Pressure relief ribs

834

-45°C to 110°C

4.0m/sec

  • Snug fit provides effective sealing
  • Low wear, long life
  • Pressure relief ribs
  • Precision trimmed wiping lip

839

-45°C to 110°C

4.0m/sec

  • Twin lip drier
  • Hard wearing material for long life

839N

-45°C to 110°C

4.0m/sec

  • Twin lip drier
  • Hard wearing material for long life

840

-45°C to 110°C

4.0m/sec

  • Precision trimmed wiping lip
  • Built-in rub to effectively seal the housing
  • Extremely flexible
  • Easy installation

841

-45°C to 110°C

4.0m/sec

  • Precision trimmed wiping lip
  • Excellent resistance to abrasion
  • Extremely flexible
  • Interchangeable with other common styles

842

-45°C to 110°C

4.0m/sec

  • Developed for harsh envirionments
  • Flap on wiping lip covers the gland housing

844

-45°C to 110°C

4.0m/sec

  • Tolerant to rod deflection
  • Water/slurry trap prevention
  • Textured wiping lip option
  • Range of materials

846

-45°C to 110°C

4.0m/sec

  • Twin lip – no leakage
  • Trapped pressure, automatically released through bursting membranes
  • No push out of the wiper through build up of pressure
  • No gland vent hole necessary
  • Sealing flap protects against ingress of dirt and moisture around outside diameter

860

-40°C to 100°C

1.0m/sec

  • Ease of assembly
  • Long life
  • Precision trimmed wiping lip
  • Metal case treated with a with a rust inhibitor
  • Range includes ISO & standard Asian housings

862

-40°C to 100°C

1.0m/sec

  • Ease of assembly
  • Long life
  • Precision trimmed wiping lip
  • Metal case treated with a with a rust inhibitor
  • Wide range of application uses

864

-45°C to 110°C

1m/sec

  • Long life
  • Textured wiping lip minimizing oil transfer
  • Nitrided metal case
  • Wide range of application uses

E2W

-45°C to 200°C

15m/sec

  • Low friction and elimination of stick-slip action
  • Self-adjustment for side movement of rod
  • High-performance PTFE material as standard offering
  • Balanced design

E5W

-45°C to 200°C

15m/sec

  • Low friction and elimination of stick-slip action
  • Self-adjustment for side movement of rod
  • High-performance PTFE material as standard offering
  • Balanced design

ELA

-45°C to 200°C

4m/sec

  • Low friction and elimination of stick-slip
  • Excellent in high-speed applications
  • More stable design for application with excessive side-to-side movement on rod

EXF

-45°C to 200°C

15m/sec

  • Low friction and elimination of stick-slip
  • Excellent in high-speed applications
  • More stable design for application with excessive side-to-side movement on rod
  • Balanced design

EXG

-45°C to 200°C

5m/sec

  • Low friction and elimination of stick-slip
  • Excellent in high-speed applications
  • More stable design for application with excessive side-to-side movement on rod
  • Balanced design