Polix-Export - Model DN50- DN200 -Lift Check Valve

Body Cast iron - EN-GJL-250. Bonnet Cast iron - EN-GJL-250. Disc Cast iron - EN-GJL-250. Disc guide Brass. Spring Stainless steel -X5CrNi18 10. Body ring Stainless steel -X5CrNi18 10. Bonnet gasket Graphite. Disc ring Stainless steel -X5CrNi18 10. Bolts Carbon steel - galvanized. Nuts Carbon steel - galvanized.