Good quality 4 Inches Oil Cooling Motor for Submersible Pump


Conform to international standard of IEC34-1, CE,
Whole blocked asynchronous motor with squirrel cage rotor.
Outer shell, shaft and bottom made of stainless steel.
Brass alloy or nickel plated cast-iron upper bracket.
Swedish bearing or equivalent products can undertake higher thrust load
Italian Mechanical seal.
Pressure automatic adjusting device made of oil-prof and waterproof reformed butyl rubber.
Flange connector conform to the standard of NEMA
Lacquer-coated wire conforms to NEMA


Single phase 0.25~2.2kw,
Three phase 0.55kw~7.5kw

Thrust load: 1500N (0.25kw-0.75kw)
2500N (1.1kw-2.2kw)
4500N( 3.0kw-7.5kw)

Degree of protection: IP68
Insulation: Class B
Max. Ambient temperature: 35 celsius degree
Min Cooling flow along the motor: 8cm/ sec
Water pH: 6.5-8.0
Max starts per hour: 30
Max submerged depth: 150 m
Vertical or horizontal mounting position up to 2.2kw
Motor protection by temperature compensated
Thermal relay and extra-quick trip overload
Overload trip time:
Less than 10 secs( when load is 5 times of rating current)
Flat water-proof cable 4x2.0 mm2 with separated earth wire
Dimension: 19.2 x 6.2 mm2
Length: 1.1-1.5m (0.25-3.0kw)
2.3-2.5m ( 4.0-5.5kw)
2.8-3.0m (7.5kw)
Special scaled product required by customer can be provided.

History: 21 years of experience in submersible pumps.

Products: 3"" 4"" 6"" 8"" submersible pumps, 4"" re-windable oil cooling submersible motors, 6"" 8"" water cooling submersible motors, 6"" stainless steel submersible motors. Sewage pumps. Multistage submersible pumps.

Technical: Italy pump and motor technology, NEMA standard

Certificate: CE, ISO9001: 2000

Productivity: 250, 000 sets/year.

OEM services available.