The 1″ National Pipe Underwriters Laboratories Factory Mutual Canadian Standards Association Stainless Steel Trim Full Port Ball Valve Locking Handle is a high-performance, heavy-duty shut-off valve designed for industrial, commercial, and fire protection applications. This valve features a full port design, allowing maximum flow with minimal pressure drop, and is equipped with a locking handle for security and safety compliance. Certified by UL (Underwriters Laboratories), FM (Factory Mutual), and CSA (Canadian Standards Association), it meets stringent industry standards for quality, safety, and reliability. Workhorse valve with SS trim. Order now for fast shipping and professional-grade results. Link to Midland Industries Catalog