Frequency Variation Pump
★Spiral propeller allows the dirtparticle size as 7-8mm
★The design of filter screen withoversized area ,extend maintenance period, realize free tool demolition.
★Ceramic shaft ,wear resistance ,norust, no copper , long service life.
★The outlet realize multistage, suitablefor a variety of pipe diameter connection.
★Protection against dry running,
★Protect against blocking