Butterfly valve, type PA-1520, for abrasive media

For abrasive media like cement, ash or sand, with 4 holes (wafer type) face to face according to EN 558-1 (K1), suitable between flanges PN 10/16, topflange according to ISO 5211, with handlever, from DN 250 with gear Type PA-1520.120.PU: body: GGG-50 EKB, disc: stainless steel 1.4408 + PU, seat: polyurethane PU