The HI AIR KOREA SFS10-12 is a high-quality self-closing gate valve, specifically designed for use as a sounding pipe head on marine vessels. Engineered for reliability and durability in harsh maritime environments, this valve automatically closes to prevent the ingress of seawater into tanks during deck washing or in rough sea conditions. Its robust construction ensures compliance with marine standards, providing a safe and efficient solution for fuel oil, diesel oil, and water tank sounding applications on ships.