2.5MPa Carbon Steel Tilting Disc Hard Seal Slow Closing Butterfly Check Valve

2.5Mpa Carbon Steel Tilting Disc Hard Seal Slow Closing Butterfly Check ValveMeterial of main partsGomponents nameMaterialValve bodyCast iron .ductile iron .cast steelValve coverRubber CombinationcomponentsSpringStainless steel Technical data DN (mm) Nominal diameter40-800PN(MPa) Nominal pressure1.01.62.5Ps(MPa) Test pressureShell1.52.43.75Seal1.11.762.75Maximum operating pressure1.01.62.5Working temperature