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4'' borehole pump

4SP8 series

4SP 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. 

4SP series are suitable for wells over φ100mm

4SPM deep well submersible pump is used to pump water from drilled deep wells, borehole wells, ponds, and lakes. Ideal for sprinkler lawn irrigation, elevated and cistern tanks filling, water fountains, industrial and farming water supply, and agricultural irrigation.



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Maximum fluid temperature up to +50℃

Maximum sand content:0.25%

Minimum well diameter:4"



Rewindable motor

Single-phase:220-240V/50Hz

Three-phase:380-415V/50Hz

Equip with start control box or digital auto-control box

NEMA dimension standards

Curve tolerance according to ISO 9906


ComponentsMaterial


Delivery casingAIS 304 SS
Suction lanternAlSI304 SS
DifuserAlSI 304 SS
lmpellerAlSI304 SS
ShaftAlSI304 SS
Shaft couplingAlSI304 SS
Wear ringRubber


Motor external casingAlSI304 SS
Top chock①Cast-Cu ASTM C85500 ②AISI 420 SS
③Cast-iron ASTM NO.30
Bottom supportAISI304 Ss
Mechanical sealSpecial seal for deep wellGraphite-Ceramic)
ShaftAISI 304 SS-ASTM5140
Seal lubricant olOil for food machinery and pharmaceutic use.


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Top chuck is available with brass or SS304

Other voltages or frequency 60Hz

Single phase motor with built-in capacitor



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