... sewerage non -clogging pump needn't bottom valve, sewerage water with soft solid and fibre, Self-priming sewerage non -clogging pumpApplicationMine ... , It needn't bottom valve, It can pump sewerage water with soft solid and fibre, The max. solid size is 60 ... , air-cooled diesel engine and water-cooled diesel engine.Equipped with base fuel tank for hours of continuous operation if driven by ...