1.sand casting pump body 2.Material:Grey iron 3.Process:sand casting 4.Quality Assurance 5.Test: ... covers, pump parts, handwheel, valve, flange, bollard, pilingaccessories, counterweight iron, construction machinery parts and other industry machinery partsThe QB series ... Cover: Cast IronShaft: Carbon Steel or stainless steelImpeller: Cast iron or Bronze or Stainless steelShaft seal: Gland packing seal ...