LUG Type Concentric Butterfly Valve acc. DIN-EN-593, flanged acc. EN1092-2, face to face length acc. to EN 558-1 series 20, Body: GGG-50 / EN-GJS-500-7, Sealing: EPDM, Disc: CF8M (SS-316 / 1.4408), Spindel: AISI-431 / 1.4057 (X17CrNi16-2). Coating: Epoxy Coating RAL-5015 min 250 µm acc. RAL-GSK. All materials in direct contact with drinking water comply with UBA-KTW, KTW-BWGL, and DVGW W-270.