DeZURIK AWWA butterfly valvesDeZURIK’s AWWA butterfly valves are designed for applications demanding thoroughly tested, high-quality valves for trouble-free service. Numerous design features and material options make this rubber-seated butterfly valve suitable for water/wastewater treatment plants and collections/distribution systems. These valves conform to AWWA Standard C504 and C516 standards, and are certified to NSF/ANSI 61/372. Features include: a corrosion-resistant shaft; self-compensating shaft seals; long-life, low-friction bearings; proven disc-to-shaft pinning; and a stainless steel disc edge. Molded-in-body seat with disc locators provides positive sealing and longer seat life on sizes 3 to 20 inches. Large 24- to 144-inch valves feature adjustable, replaceable seat, nonhollow disc
