... ASTM, JIS, BS, DIN, EN, ISOOperation: green sand casting and resin sand castingSurface finish: sand blasting, sand blasting, ... fittings, grating, frame, manhole covers, pump parts, handwheel, valve, flange, bollard, pilingaccessories, counterweight iron, construction machinery parts ... simplify removal of the rotating element during maintenance, “safe guards” are installed to prevent rotating shaft from ...