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About Motors

Narhari Engineering Works, a subsidiary of Marine Electricals, is a manufacturer of electric motors and control panels. Products manufactured by Narhari comply with Indian, International and Naval engineering standards.

Narhari Engineering Works is accredited with ISO 9001:2015 Certification. The organization offers a wide range of combinations of Electrical and Mechanical features customized to client’s requirement.

Our product range includes:

  • Marine Motors (including Shock Graded)
  • Vibratory Motors
  • Brake Motors
  • FLP Motors
  • Winged Motors (Special Flange Motors)
  • Dual Speed and Three Speed Motors
  • Salvage Pump Motors (IP-68 Protection)
  • Pumps
  • Other Non-Standard Motors
  • Control Panels

Standard Specification:

Our motors, pumps and control panels comply with the relevant standards and specifications of the following publications.

Indian Standards:

  • IS- 325 Three Phase Induction Foot Mounted
  • IS- 1231 Dimensions of Three Phase Foot Mountes AC Induction Motors
  • IS- 2223 Dimensions of Flange Mounted AC Induction Motors
  • IS- 4029 Guide for Testing Three Phase Induction Motors.IS- 12063
  • Degree of Protection Provided by Enclosures for Rotating Electrical Machinery
  • IS- 4722 Rotating Electrical Machines
  • IS- 4889 Methods of Determinations of Efficiency of Rotating Electrical Machines

  • IS- 4889 Methods of Determinations of Efficiency of Rotating Electrical Machines
  • IS- 6362 Designation of Methods of Cooling for Rotating Electrical Machines
  • IS-7538 Three Phase Squirrel Cage Induction Motors for Centrifugal Pumps for Agricultural Application
  • IS- 8151 Single Speed Three Phase Induction Motors for Driving lifts
  • IS- 8789 Values of Performance Characteristics for Three Phase Induction Motors
  • IS- 12065 Permissible Limits of Noise Levels for Rotating Electrical Machines

International Standards

  • IEC 34-1 Recommendations for Rotating Electrical Machines.
  • IEC 72-1 Recommendations, Dimensions and Output Ratings of Electrical Machines-Foot Mounting.
  • IEC 72-2 Recommendations for the Dimensions and Output Ratings of Electrical Motors-Flange Mounting.

British Standards

  • BS 3979 Dimensions of Electrical Motors.
  • BS 4999 Specifications for General Requirements for Rotating Electrical Machines.
  • BS 5000 Specifications for Rotating Electrical Machines.,

Naval Engineering Standards

  • EED-Q-071 (R1) and EED-Q-071(R2) Electrical Equipements Specification For A.C. Motors.
  • NES 632 Requirements for A.C. And D.C. Motors.
  • NES 636 Requirements for A.C. And D.C. Starting and Control Gear (Control Panel).
  • NES 629 Requirements for Testing of Rotating Electrical Machinery.
  • NES 505 Requirements for Drawings for Electro Technical Equipment.
  • DME 402 Guidance Information and Mandatory Requirements for Rotodynamic Pumps for Naval Ships

Consultants Specifications

  • Indian Register of Shipping (IRS)
  • American Bureau of Shipping (ABS)
  • Bureau Veritas Essential Service (BV)
  • Lioyds Register of Shipping (LRS)
  • M.S.E.B.
  • Rail India and Technical EnEngineering Service(RITES)

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