Submersible Pump 4SN Submersible Pump (Water Pump)

4SN Submersible Pump (Water Pump)

Applications of 4SN Submersible Pump (Water Pump)
For water supply from wells or reservoirs.
For domestic use, for civil and industrial applications
For garden use and irrigation.
Operating Conditions
Maximum fluid temperature up to 35℃.
Maximum sand content: 0.15%.
Maximum immersion: 50m.
Minimum well diameter: 4″.
Motor and Pump
Rewindable submersible motor
Three-phase: 380v – 415v /50Hz
Single-phase: 220v – 240v /50Hz
Equip with start control box or digital auto-control box
Pumps are designed by casing stressed
NEMA dimension standards
Curve tolerance according to ISO2548
Warranty: 1 year (According to our general sales conditions)
Parameters of 4SN Submersible Pump (Water Pump)

Components Material
Delivery casing AISI 201 SS
Suction Lantern AISI 201 SS
Diffuser AISI 201 SS
Impeller Cast-Cu ASTM280
Strainer AISI 304SS
Motor external casing AISI 304SS
Top chock ①Cast-Cu ASTM280 ②Cast-iron G20 UNI5007
Bottom support AISI 304SS
Mechanical seal Ceramic alumina, carbon
Shaft AISI 304 SS – C1045
Bearing NSK
Seal lubricant oil Oil for food machinery pharmaceutical use


Performance Data 50HZ (Submersible Pump - Water Pump)

MODEL P2 DELIVERY n≈2850 1/min
1~220v/240v 3~380v/415v KW HP Q m3/h 0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 4.8 5.4 6
1/min 0 10 20 30 40 50 60 70 80 90 100
4SN M4/3 4SN4/3 0.37 0.5 H(m) 28 27 26 25 24 22 20 18 14 10 5
4SN M4/4 4SN4/4 0.55 0.75 37 36 35 34 32 29 27 24 19 13 7
4SN M4/6 4SN4/6 0.75 1 55 55 52 51 47 44 41 35 28 20 10
4SN M4/8 4SN4/8 1.1 1.5 73 73 70 68 63 59 55 47 38 26 14
4SN M4/11 4SN4/11 1.5 2 101 100 96 93 87 81 75 65 52 36 19
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