... other valve and can also absorb any wasted water with large solid particles, long fiber, and deposit, mineral impunity and ... to use, move, install and maintain and runs smoothly., ZWL Self priming pumpCategorySelf-priming pumpWorking Air Humidity≤50°CMedium Temperature≤80 ... pump, 2-13 for stainless steel pumpMedium Density≤1240kg/m³Self suction height≤4.5--5.5mSuction pipe length≤10mMain usageSewage ...