Spiral-wound gaskets combining metallic and non-metallic materials in alternating layers provide resilient sealing with good recovery characteristics, accommodating minor surface irregularities and maintaining seal integrity through thermal cycling and pressure fluctuations typical in LNG applications. Ring-type-joint (RTJ) gaskets employing solid metal rings with octagonal or oval cr... https://globalsealstech.com/product-category/oil-gas-seals/api-6d-ball-valve-and-lng-seals/