... pump body 2.Material:Grey iron 3.Process:sand casting 4.Quality Assurance 5.Test:chemical composition, ... BS, DIN, EN, ISOOperation: green sand casting and resin sand castingSurface finish: sand blasting, sand blasting, oiled, zinc, nickel, chrome plating, painting, hot ... pumps incorporate the “back pull out” facility allowing the remove of the complete rotating element without disturbing the pipework. ...