https://www.prepol.com/products/fs-seals/
FS Seals - Precision Polymer Engineering
Nov 1, 2024 - FS seals are a double acting static seal designed for use as casing and tubing hanger seals in wellheads within the energy industry.
fs sealsprecisionpolymerengineering
https://www.ctgasket.com/fs-seals-molding/
Fs-Seals Molding | CTG Inc.
fs sealsmoldingctginc