AWWA Lug Butterfly Valve Standards: Design standards: AWWA, C504/AWWA, C516 Connection flange: ASME B16.1 class 125, AWWA C111/A21.11 Top flange: MSS SP-101/ISO 5211 Face-to-face: AWWA C504/AWWA C516 Test standards: AWWA C504 Specifications: Lug type: BV5W Size: 3 to 20″ (DN 80 to DN 500) Flanged type: BV5F Size: 3 to 24″ (DN 80 to DN […]