... .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 ... are interchangeable, this features resulting in a reduction in spares requirements, and an initial cost saving. Excellent Bearing ...