... 1.sand casting pump body 2.Material:Grey iron 3.Process:sand casting 4.Quality Assurance 5.Test:chemical composition,ten Mine water pump Body ... .Material: Grey iron GJS450-10Standard: ASTM, JIS, BS, DIN, EN, ISOOperation: green sand casting and resin sand castingSurface finish: sand blasting, sand ... Stainless steelShaft seal: Gland packing seal or Mechanical Seal Sand casting pump body