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3'' borehole pump

3SD3 series

3SD Submersible Deep Well Pump

DONGYIN Pump provide a wide range of deep well submersible pumps from 2'' to 10'' which are designed for tranfering water from wells, ponds, lakes and cisterns. 

3SD series are suitable for wells over φ75mm

For water supply from wells or reservoirs

For domestic use, for civil and industrial applications

For garden use and irrigation


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Maximum fluid temperature up to +35°C

Maximumsandcontent:0.25%

Minimum well diameter:3"




Rewindable motor

Single-phase:220-240V/50Hz

Three-phase:380-415V/50Hz

Equip with start control box or digital auto-control box Pumps are designed by casing stressed

Curve tolerance according to ISO 9906



ComponentsMaterial


Pump external casingAIS 304 SS
Delivery casing①Cast-Cu ASTM C85500 ②AISI 304 SS
Suction lantern①Cast-Cu ASTM C85500 ②AISI 304 SS
DifuserPlastic.PC
lmpellerPlastic.POM
ShaftAlSI304 SS
Shaft couplingAlSI304 SS
Wear ringAlSI304 SS


Motor extenal casingAISI 304 SS
Top chock①Cast-Cu ASTM C85500

②Cast-iron ASTM NO.30
Bottom supportAlSI304 SS
Mechanical sealSpecial seal for deep well(Graphite-Ceramic/TC)
ShaftAISI 304 SS-ASTM5140
Seal lubricant oilOil for food machinery and pharmaceutic use.





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Top chuck is available with brass or SS304

Delivery casing, Inlet parts are available SS304

Other voltages or frequency 60Hz

Single phase motor with built-in capacitor




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