Metal Seated Flanged Gate Valve acc. to DIN EN 1171/DIN EN 1074-1&2 , DIN EN 558-1 Series 15 , Flanges acc. DIN EN 1092, Body, Wedge & Bonnet: GGG40 / EN-GJS-400-15, Wedge & Body Sealing: Stainless Steel A2-AISI-304 (EN-1.4301), Spindle: AISI-420/EN 1.4021 (X20Cr13), Bolts: Stainless Steel A2-AISI-304 (EN-1.4301), Stem nut: Brass, Coating: Epoxy Coating RAL-5015 min 250 µm acc. RAL-GSK. All materials in direct contact with Drinking Water acc. UBA-KTW and DVGW W-270.