... 4.Quality Assurance 5.Test:chemical composition,tensile Mine water pump Body.Material: Grey iron GJS450-10Standard: ASTM, JIS, ... range: pipes and its fittings, grating, frame, manhole covers, pump parts, handwheel, valve, flange, bollard, pilingaccessories, counterweight iron, ... safety and reliability. It is designed for well pumping, garden irrigation and water supply to houses, hotels and high ...