PFI ADVANCED EQUIPMENT MANUFACTURING, LLC 

DBA, United Ring & Seal
AS9100D/ISO9001:2015

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(610) 856-7550

F:  

(610) 680-3865

E:  

info@pfiaem.com

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Custom Manufacturing Solutions for Piston Rings & Seal Rings Since 1952

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Custom Seal Rings & Piston Rings for Challenging Applications

PFI Advanced Equipment Manufacturing, LLC (PFI/United Ring & Seal) is a precision manufacturer of metal seal rings and piston rings used in high-temperature and hostile, challenging operating environments.  Applications include stationary gas turbines, jet engines, pump equipment, fluid ducting, specialized internal combustion engines, high-temperature, and high-pressure valves, as well as hydraulic and compressor applications.  These exceptional products are used anywhere there is a need to seal gases or liquids in rotating, reciprocating, jointed, or stationary service. 

As a professional piston ring supplier, we understand the importance of advanced and efficient manufacturing for your challenging applications. In operation since 1930, we have consistently provided our customers with only the highest level of quality standards. Whether you are seeking seal and piston rings for aircraft, aerospace, or industrial applications, United Ring & Seal has the resources to serve your unique requirements. For more information regarding our custom manufacturing of piston rings, contact us today.



Commercial Aviation
Seal Rings
Commercial Aviation
Piston Rings
   
Power Generator
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Commercial Aviation
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Commercial Aviation
Seal Rings
Commercial Aviation
Piston Rings
Power Generator
Contact Us
Commercial Aviation
Materials


About Us



With origins in the 1930s, PFI/United Ring & Seal has the experience needed to serve you right. We began by manufacturing piston rings for fighter planes during WWII and transitioned to high-temperature alloy rings in the 1990s. Contact us today to discover our excellent customer service as a premium piston ring supplier and we will promptly respond to all of your inquiries.

Phone
(610) 856-7550

Fax
(610) 680-3865

ISO 9001:2015 and AS9100D
Certificate of Registration

Email
info@pfiaem.com

Address
310 Alleghenyville Road, Mohnton, PA 19540

Service Area
Serving Clients Nationwide and Overseas

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