4261 Gibsonia Road Gibsonia, PA 15044
Call Us Today: (856) 432-3194

Our online quoting capability minimizes the time required to produce and ship your seals.

Quality. Reliability. Dependability.

Shamrock Seals specializes in manufacturing hydraulic sealsoil seals and pneumatic seals. Our products include o-ringsoil seals, hydraulic sealspiston sealsrod sealshydraulic cylinder sealsguide ringswipers, wear rings and other custom machined parts.

We take pride in being able to rapidly produce custom lathe cut seals when you need them.  Making prototypes from samples or a print; producing small quantities; or replacing obsolete seals – all made from high quality materials – coupled with our reputation for competitive pricing differentiates Shamrock Seals from similar manufacturers.

Our Products

These are the six “standard” seal profiles we currently offer and we have the capability to provide an on-line immediate quote.  We also offer many other profiles, and if you have a print or sample, or would like to discuss your specific application, please contact us at your convenience.

Our Services

We offer a variety of services to meet customer expectations. Knowing and understanding your business and applications assists us in ensuring we are providing an optimal sealing solution.

  • In-House and In-Field Technical support
  • Seal design
  • Custom Kit Assembly
  • Certifications Available. Including FDA/3A
  • Traceability of Materials
  • Custom Packaging and Labeling

Same Day Manufacturing

For our standard profiles up to 14″ we can manufacture and ship your seal requirements in NBR, Viton and PTFE on the same day, as long as we receive th order before 12:00 AM that day.

For larger sizes and other materials the production process may be greater than 24 hours.


With our proprietary seal design software our manufacturing engineer is able to develop prototypes and new seals to meet standard and unique requirement in almost any industry.

We are also able to set performance expectations and will work with customers to monitor performance and make necessary modifications or additional prototypes in order to improve seal performance in the given application.

Reverse Engineering

If you do not have a print, but have an old seal or a style that is no longer available, send it to us and we can reverse engineer the seal.

Once we receive the seal we will analyze the size, construction and the material and make a recommendation on which profile and material we would recommend as a replacement seal.

We would then send you a print for you to review and agree and/or modify before producing the seal.

Failure Analysis

Determining why a seal fails is the first step in finding a solution.

We usually require an application data sheet so that the customer can provide us the speed, temperature, application or purpose of the the seal, the media that being used in the application and the pressure.

With this information we an usually get to the root cause of the failure and suggest a solution.