DTM hot water circulation pump: 1.CE, ISO9001-2008, CQC, etc; ... of centrifugal pumps is directly coupled between mini-type electric machine and single stage pump body. Adopting the reliable ... are suitable used on household, hospital, hotel, factory's water supplying, farm irrigation, etc. Technical date at 50 Hz ... 's requirements.Sample Room:Factory View:Certificate: DTM hot water circulation pump