American High Performance Seals

CF Series™ - Labyrinth Type

Non-contact seals for dirt and

contaminants exclusion

For sealing dynamic, rotary motion

Rotary Shaft Seals - Oil, Grease and Bearing Seals - High Pressure Rotary Seals - High-Performance Rotary Seals - Swivel Seals - Split Rotary Shaft Seals - V-Ring - Show All

Typical rod seal installation Rod seal profile view
Non-contact seals for dirt and contaminants exclusion Labyrinth type seal example

CF™- Labyrinth type seals use a non-contact seal design and are specifically designed to protect bearings from splashing water and other contaminants. These seals are... More Info

Some of the benefits are:

  • No contact, no wear and heat generated by the seal, no frictional power loss.
  • Reduced maintenance cost since no wear, almost unlimited life.
  • Low cost for mating parts, no hardening and surface grinding of the shaft required.
  • Available in FDA compliant materials.
  • Chemically resistant grades available.
  • Overall a very economical sealing solution taking all the above in consideration.
  • Low cost replacement for other expensive labyrinth seals in many applications.

CF™ - Labyrinth Type Seals

Zero pressure
Up to 10,000fpm (50m/sec.)

L1 L2 L1-IR L1-OR

Contact us, request more information or call 1-800-283-7140 for immediate answers to your questions.

Why American High Performance Seals?
...More Info

Availability: Most standard or non-standard and application-specific designed labyrinth type seals, in inch or metric sizes, are available with a 1-4 day turnaround.

Seal Materials: The standard material is an engineering plastic with high dimensional stability and good chemical resistance also to be suitable in food processing equipment. Other high performance materials are available to meet specific application criteria. More Info on Materials

For your unique or special high-performance rotary seal application, please Contact our engineers to help you in specifying a seal that’s best for your situation.

*Maximum values depend on seal material, seal configuration, media, temperatures, pressures, surface speed and working environment. For maximum seal life expectancy, do not operate your seal beyond 75% of its operating limits. Please consult our engineers or call 1-800-283-7140 for advice

Applications & Industries

  • Food processing machinery
  • Machine tools
  • Packaging
  • Textile
  • Conveying equipment
  • Electric motors
  • Semiconductor industry
  • Food processing
  • Pharmaceuticals
  • Protection for primary seal

American High Performance Seals assumes no obligation or liability for any advice furnished or results obtained with respect to these products. All such advice is given and accepted at the buyer’s risk. This information, based on our experience, is offered as part of our service to customers. It is intended for use by persons having technical skill, at their own discretion and risk. We do not guarantee favorable results, and we assume no liability in connection with its use.



American High Performance Seals, Inc.
408 High Tech Dr.• Imperial Business Park•Oakdale, PA 15071
Phone: 412-788-8815 • FAX: 412-788-8816 • Email:

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