Mueller Steam Specialty, a Watts brand, has introduced the Series 90 butterfly valve. The Series 90 is designed for commercial and industrial applications — working with pipes from 2" to 40" and meeting high-performance specifications especially for data centers, hospitals, and educational institutions. The Series 90 high-performance butterfly valves are ideal for water supply applications in hydronic cooling and fire protection systems. The Series 90 can be used to control the flow of liquids, gases, and slurries.  In addition, the Series 90 complies with API 609 and MSS-SP-68 standards; is bubble-tight at 290 psi differential, and boasts a double offset RPTFE seat designed for 500° F and a carbon steel body, also with a stainless-steel stem and disc. 

Mueller Steam Specialty 

www.muellersteam.com