... /h); Head range H, 7(m)-45(m).Application: The series pump is widely used in agriculture,architecture,environment protection andindustry,such ... .Operating conditions,1.Take center of impeller as criterion,the depth of the pump under water must be less than 5 meters,Type ... impeller delivery of long fibre and solid particles liquid,the pump is widely used in, Draining off sewage of industry and ...