This NIBCO wafer type butterfly valve provides bubble-tight shutoff at 250 psi and is recommended for quick installation and removal from piping. The valve is ideal for commercial and some light industrial process applications, compressed air and vacuum services. This NIBCO ductile iron butterfly valves provide ease of operation with quarter-turn (90 degrees) open to close. The unique molded-in Buna-N seat liner with aluminum bronze disc provides good abrasion resistance properties and compatibility with solvents, oil, water and hydraulic fluid for compressed air and vacuum applications. With the internal stem/disc geometric drive design there is no need for pins or bolts that may create leak paths or turbulence in the waterway. An extended neck allows for insulation up to 2 inches. Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO butterfly valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications. NIBCO butterfly valves are backed by the NIBCO 5-year 125% limited warranty.Features Valve pressure rating 250 psi Maximum 180°F service Wafer style Buna-N molded-in seat liner Aluminum bronze disc Stainless steel stem with copper bushings Geometric drive Extended neck Operating mechanism: Bare stem, infinite position plate and lock, lever lock, manual gear operator Not recommended for steam service Designed to meet MSS SP-67 MSS SP-25 (markings) U.S. Coast Guard Category A
