DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS 3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel/ nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C 504 or BS 5155 or IS 13095
