Centered disc butterfly valves with

Keystone Butterfly Valves Figure AR1/AR2

positive disc control. • Internal shaft seal is designed to ... “Q” dimension is the minimum allowable pipe or flange inside diameter at the centered body face to protect the disc sealing edge against damage when opening the valve. H G F C Q A B ... Keystone Figure AR1/AR2 Wafer and lug style resilient seated butterfly valves ...

  Valves, Butterfly, Disc, Centered, Butterfly valves