... large capacity ,high head, multi-stages in series to remove ash and sludge and to deliver liquid-solids mixture, based on ... , mine, coal, constructional material and chemical industry departments, especial for removing ash and sludge in electric power station. TYPECLEAR WATER PERFORMANCEALLOWABLE ... date2 weeksminimum unit1 setmode of payment30% T/T in advance and the rest 70% T/T before shipment.date ...