Filler Flange Gaskets

Our standard Filler Flange Gaskets are cut from our NSF-61 certified EPDM sheet material. With a flat finish, our NSF-61 EPDM is offered in thicknesses up to 1/2″. The filler flange provides an instant option to fill gaps up to 3″ on-site.


  • Compatible with flanges conforming to AWWA C110, AWWA C115, and ASME B16.1 Class 125
  • Stocked in 3″ – 12″ diameter
  • Offered in Full Face and Ring Style
  • Rated up to 250 PSI for 12″ and smaller
  • Gaskets can be layered up to three plies, not to exceed 1-1/2″
  • Single-piece gaskets are available up to 36″ in diameter. 42″ diameter and larger are dovetailed (4 segments)
  • The NSF-61 EPDM filler flange is available in 1/16″, 1/8″, 1/4″ and 1/2″ thicknesses
  • 100% manufactured in the USA
  • NSF-61 certified, with “EPDM NSF-61 Made in the USA” branding for easy identification
  • Other gasket materials are available upon request
  • 100 % BABAA Compliant


Request A Free Sample

The NSF-61 EPDM Filler Flange is available with little to no lead time. Call us at (800) 633-3415 or fill out this form to request a free sample or place an order.

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