Fire-safe tested API 6D ball valve seals Singapore retain low leakage after 30-minute hydrocarbon fire exposure per API 607. Secondary metal-to-metal contact activates post-elastomer burn-off. Singapore LNG facilities prioritize these seals for emergency isolation valves to protect personnel and assets during fire events. https://globalsealstech.com/product-category/oil-gas-seals/api-6d-ball-valve-and-lng-seals/