Material: Ductile Cast Iron, Grey Cast IronStandard:ISO2531, EN545, AWWA/ANSI, SABS1123,.BS10, BS4504,ASA 150Coating: fusion bonded epoxy coating ; cement lining inside and zinc primer and bitumenpainting outside ; bitumen painting inside and outside ; red anti-rust coating . Antirust oil,Hot dip galvanized.Type: Plate, Weld-on, Screwed, Blind, Loosing Flange.Backing Ring.Pressure: PN10,PN16,PN25