PFI/United Ring & Seal's dedication to quality starts right at the beginning of our process. We only use materials certified to aerospace material standards, SAE, ASTM, or other standards you specify. The following is a partial list of the material used to manufacture seal rings and piston rings.
As a supplier to aerospace and military end users, PFI/United Ring & Seal only offers the highest quality products. We are an AS9100:D/ISO9001:2015 certified company. You can be confident that we will manufacture to your specifications every time because we want your business again and again.
PFI Advanced Equipment Manufacturing, LLC, DBA United Ring & Seal