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Dashboard Custom seals
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Custom Seals
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Seals by Size
Measurement:  
Type:  
ID   Tol
OD   Tol
HT   Tol
  






Hercules has an in-house Engineering Department which can assist you with seal design, material testing and seal failure analysis.
To speak directly to a Hercules Engineer, please call 727-796-1300 or 800-777-5617.

Technical Information

Inch and Metric Conversion Table

Fluid Compatibility Table

Groove Dimensions for Urethane Seals

O-Ring Gland Dimensions

O-Ring Size Chart and Installation Data - Metric

Seal Kit Identification Code Conversion Chart

Typical Sealing Components

Hydraulic Cylinder Applications

Common Telescopic Cylinders
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