4 inch Submersible Motor – Water Filled

Crafted for agricultural and industrial pumping systems, our 4-inch water-filled submersible motor offers dependable power and smooth operation in deep borewells. With excellent cooling, low noise, and high efficiency, it is ideal for continuous use in harsh water conditions where reliability and performance are critical.

AISI 304

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Salient Features

  • High Efficient electrical design and low operation cost.
  • All Motors Pre filled and 100% Tested.
  • Strong & Robust Construction to survive any site condition.
  • A special Diaphragm ensures pressure compensation inside the motor.
  • Water lubricated thrust and radial bearings enable a maintenance free operation.
  • Cooling material according to drinking water regulations.
  • Motor manufactured in ISO 9001 certified manufacturing facility.
  • Motor mounting with NEMA & Non NEMA standard.

Application

  • Field Irrigation
  • Private / Public water supply
  • Flow / Drip / Sprinkler irrigation
  • High rise building & Fire fighter

Compact and Efficient Motor for Deep-Well Applications

This 4 inch submersible motor (water filled) is designed to deliver consistent performance under demanding field conditions. Built for long service life, it ensures smooth starts, superior thermal balance, and energy-efficient output—ideal for irrigation and industrial water supply systems.

Product Range
Particular Single Phase Three Phase
KW / HP 0.37/0.50 – 2.2/3.0 0.37/0.50 – 5.5/7.5
Volt 50Hz 230 380/415
60Hz – 220/380/460
Insulation class Y Class as per IS 1271 Y Class as per IS 1271
Degree of Protection IP68 IP68
Type of Duty S1 S1
Electrical Winding WET type Rewindable WET type Rewindable
Ambient Temperature 45˚c 45˚c
Starts per hour 20 20
Minimum Cooling Flow 0.2 m/s 0.2 m/s
Available MOC Cast Iron / AISI 304 Cast Iron / AISI 304

Material Of Construction 
Component Cast Iron  Stainless Steel 304
Stator Body / Shell Stainless Steel AISI 304
Connection Piece C.I. FG200 IS 210 AISI 304
Lower Housing C.I.  FG200 IS 210 AISI 304
Base Cover C.I.  FG200 IS 210 AISI 304
Winding Wire PVC / PP PVC / PP
Thrust Bearing Segment AISI 420 AISI 420
Rotor Shaft Stainless Steel Stainless steel
Shaft END Stainless Steel AISI 630
Shaft Seal Lip Seal NBR Lip Seal NBR
Bearing Bush Graphite Carbon / LTB5 Graphite Carbon
Diaphragm NBR NBR
Lead Cable Rubber / PVC Rubber / PVC
Sand Guard NBR NBR
Hardware Stainless Steel Stainless Steel 304