QW submersible sewage pumps have many types of impeller, such as single flow channel, double channels, vortex, volute centrifugal and etc. QW pumps are mainly used in civil projects, pump stations, industries, hospitals, buildings, hotels, restaurants and etc, to deliver sludge, wastewater and domestic sewage that containing solids and some long fibres.
Features of QW pumps:
1, Small, compact and efficient.
2, Special design of single & large channel impellers make it non-clogging and anti-twining.
3, Auot-coupled device make it easy to install and maintain.
4, Fitted with protection devices, such as leak sensor, level sensor, thermal protector and etc.
5, Auto control of water level according to your requirements. Pumps are fitted with self-protection devices and protection cabinet.
1, Temperature of water doesn't exceed 40℃.
2, pH of liquids is from 4 to 10.
3, For those pumps with power 1.1-15kW, the height of motor over water level can't exceed half of motor height. For pumps with power more than 18.5 kW, motors can even operate in dry conditions because of the advanced internal circulating, self-cooling systems.