For top-entry cryogenic ball valves, API 6D LNG seals allow in-line maintenance. Singapore distributors promote these for reduced downtime in critical LNG storage tanks. Low-emission stem seals comply with ISO 15848 in Singapore-supplied API 6D LNG valves. Fugitive emission control supports environmental regulations in regional LNG projects. https://globalsealstech.com/product-category/oil-gas-seals/api-6d-ball-valve-and-lng-seals/