... motor 4.0.37-7.5kw QDX/QX submersible Pump,mechanical seal and motor. Pump is at ... are applied to all staic joints of the submersible pump Inner-installed protector prevents the pump from ... the granularity size is less than 0.2m.Submersible depth is not deeper than 5 m.ModelRatel ... the largest manufacturer of various fans,weldings,fittings, pumps,cables,meter boxes and other electric equipment in china, ...