Grundfos SE&SEV heavy-duty sewage pump is produced base on the idea of "sustainable development".It's approved by application that SE&SEV prodcuts have entirely solved all the typical application problems of normal sewage pumps.Its sealed cable use plug-in connection,and set shaft seal in oil cavity,submersible and dry installation could be used at the same time.Otherwise, SE&SEV have the excellence of anti-jam, less off-time,and low running cost by its special hoop system and single-volute impeller.Presently, SE&SEV have been widely used in basement and garage drain,domestic and commercial building sewage,industry sewage in sewage treatment.