QJ series deep well submersible water pump
Productoverview
QJseriessubmersiblepumpsarewidelyusedinfarmirrigation,sprinklerirrigation,welluse,watersupplyanddrainagesystemforindustrialandcivilbuilding,waterdiversionprojectinhillyandmountainareaswaterdrainageprojectinatlow-lyingareas,watersupplyanddrainageinurbanandrural'sminingenterprisesandvariousotherkindsofwaterconservancyfacilities.ItsfeaturesarethattheMotorandpumpareassembledintoawhole,sothatitissimpleinstructure,convenienttoassembleanddisassembleeasytouseandmaintain,andsafetooperate.Otherwise,itcoversasmallareaanddoesnotpollutewater
Usecondition
- 380Vbiasvoltagedoesnotexceed+-5%and50HZfrequency,andthedeviationisnotmorethan+-1%ofthethreephrasepowersupply.
- TheinnercavityoftheMotormustbefilledwithwater.
- Thefirststageimpellerofthepumpshouldbeimmersedintothethedynamicwaterlevelatleast2m.Andtheelectricpumpnuitunderthestaticwaterlevelshouldbewithin70m. ThedistancebetweenthebottomoftheMotorandthebotomofthewellshouldnotbelessthan3m.
- Thetemperatureofthewatershouldbewithin20°C.
- Inthewater,thereareonly0.01%ofsand(byweight)orlesscouldbecontented.
- ThePHvalueofthewatershouldshouldbebetween6.5and8.5.
- Thehydrogensulphidelevelinthewatershouldbe1.5mg/Lorless.
- Thechlorideionscontentinthewatershouldbe400mg/Lorless.
- Waterwhichisyieldfromthewatersourceshouldmeetthenecessaryofthepunp’scontinuework.
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