Leakage and maintaining structural integrity under combined pressure and thermal loading conditions encountered during LNG service. Metal-to-metal sealing utilizing precision-machined surfaces with controlled surface finishes provides one approach for body sealing, offering fire resistance and broad temperature capability while requiring substantial bolt loading forces to create effec... https://globalsealstech.com/product-category/oil-gas-seals/api-6d-ball-valve-and-lng-seals/