Lubrication requirements for LNG valve seals may include specialized cryogenic-compatible greases or dry lubricants preventing galling and reducing friction during ball rotation. Lubricant selection must consider low-temperature fluidity, compatibility with LNG and seal materials, and long-term stability maintaining effectiveness through extended service intervals. https://globalsealstech.com/product-category/oil-gas-seals/api-6d-ball-valve-and-lng-seals/