The Hot Dip Galvanized Automatic Field-Adjustable Pressure Reducing Device is a high-pressure air maintenance solution designed for training foam systems. Compliant with UL 260 and FM 1011/1012/1013 standards, this Sunroom/Shuanglong-branded device offers automatic operation, easy installation, and on-site pressure adjustment. Built with a full assembly of durable valves and pipe fittings, it ensures reliable performance in critical fire protection and industrial applications.More
