Service life expectations for LNG valve seals vary from years to decades depending on cycling frequency and operating conditions. Valves in continuous service with infrequent cycling may operate for decades. Frequent thermal cycling accelerates seal wear requiring earlier replacement. Monitoring programs track valve operations and inspect seals during maintenance. Predictable service ... https://globalsealstech.com/product-category/oil-gas-seals/api-6d-ball-valve-and-lng-seals/