The ISW series are vertical singlestage in桰ine centrifugal puraps designed and optimized onthe basisofgeneralvertical pumps andtheIS aeries ofcentrifugal pumps by many domestic pump experts and technician According to different purposes．they are able to be designedasoilpumps．hot water pumps，anticorrosionchemical pumps，etc. The ISW series are he rizontaI singlestage in-Iine centrifugal pumps which work smoothly with low vibration and noise Duetotheirgood structure designs，they can work for a long time without any problem Furthermore they are assured of no water leakage.