Fire testing requirements in API 6A ensure wellhead seals maintain integrity during and after exposure to hydrocarbon pool fires that could occur from process upsets or equipment failures. Test protocol subjects complete assemblies to flames exceeding 1500°F for thirty minutes, then evaluates seal integrity through pressure testing. Seals must prevent internal leakage throughout fire ... https://globalsealstech.com/product-category/oil-gas-seals/api-6a-wellhead-equipment-seals/