(1) SW type chokeless submerged sewage pump is newly product developed on the bais of introducing into oversea advanced technology and absorbing the features of domestic pump operation, which has advantages of every saving, circum volutior proof, chokeless, automasic installation, automatic couply, etc. especially they are suitable for pumping liquids with solids and long fibre.

(2) performance range:

capacity: 8-200m3/h head: 7-60m temperature¡Ü60¡æ

density:1-1.3kg/m3 PH< 9

(3) deotription of the moden

ex: 100QW100-15-7.5

100-discharge diameter(mm) 15-submersed sewage pump

100-capacity 15-head(m) 7.5-power(kw)

2 construction

the products adopt large chamral choleless hydraulic parts to largdy improve of impowrity passing through. Mechanical is double series seal which meterial is sic with advantages of corrosion-proof and wear-ricistiong. Their maintain and installation is very convenient because of the automatic coupling system adopted, the floating ball switch can controll the operation and stop of pumps automaticly. Acccording to the water level changing.