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cistern pump

4SN2 series

4SN High Head Submersible Pump

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

4SN series are suitable for wells over φ100mm

4SN series pump is 4inch integrated submersible pump which is designed to pump water from bottom inlet. They are suitable for transferring water without abrasive particles, for well water lifting, farm irrigation, garden irrigation and living water supply,industrial water eliminating, construction water supply and drainage, breeding industry water supply and drainage, etc.

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Maximum fluid temperature up to +35℃

Maximum sand content: 0.15%

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

Pumps are designed by casing stressed

Curve tolerance according to ISO 9906 


ComponentsMaterial
Delivery casingAlSI304 SS
Suction lantemAlSI304 SS
Pump external casingAlSI304 SS
DiffuserPlastic.PC
lmpellerPlastic.POM


Motor external casingAISI 304 SS
Top chockCast-iron ASTM NO.30
Bottom supportAISI304 SS
Mechanical sealGraphite-Ceramic
ShaftAISI 304 SS.ASTM 5140
Seal lubricant oilOl for food machinery and pharmaceutic use.

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Other voltages or frequency 60Hz

Single phase with built-in capacitor 

Float switch for optional


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