Our High-Temperature API 6A Wellhead Seals use proprietary fluorocarbon and perfluoroelastomer materials tested for extreme temperature retention. They resist oxidative aging, chemical swelling, and gas permeation. These seals are essential for critical components like gate valves, bonnet interfaces, and pack-off assemblies, providing reliable protection against leakage and equipment ... https://globalsealstech.com/product-category/oil-gas-seals/api-6a-wellhead-equipment-seals/