UNI-DIRECTIONAL Double Eccentric Butterfly Valve acc.DIN-EN-593, flanged acc. EN1092-2, face to face length acc. to EN 558-1 series 14, Body, Disc and bearing covers: GGG-40 / EN-GJS-400-15, Disc Sealing: NBR, Disc Retaining Ring: coated Steel (Q235), Bolts: Stainless Steel A2-70 / SS-304 (EN-1.4301), Spindel: AISI-420 / EN 1.4021 (X20Cr13), Body Sealing: WELDED SS-304 (EN-1.4301), Bolts/nuts/washers of stainless steel SS-304 (EN-1.4301). Coating: Epoxy Coating RAL-5015 min 250 µm acc. RAL-GSK.