Borehole Submersible Motors 6″ (D-Series-60Hz)

Borehole Submersible Motors 6″ (D-Series-60Hz)

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Tormac ECO series submersible motors are ingeniously designed and developed employing latest engineering software’s, high-tech machinery & tools with the complement of cutting edge technology for hardwearing and maintenance free operations and to ensure relentless performance.

The electrical conditions such as voltage, frequency and the operating conditions are taken into account in designing the winding and cooling system. Tried and trusted indigenously improved design, combined with the most optimized efficiency in electromagnetic design exceptionally ensures trouble free performance. The integrated and most modern quality assurance systems used at every stage of production and flawless workmanship lead to sustained and consistent operation.

Tormac ECO series motors are squirrel cage, water filled and water cooled rewindable type. The winding of these two pole motors are made of a special water proof wire of pure electrolytic copper insulated with synthetic film or thermoplastic material. The stator shell, housings shell & motor base are made of fabricated S.S 304/316 which prevents the motor from corrosion.

These motors are pre-filled with environmentally safe deionized water which acts as a lubricant & coolant. The prefilled water level to be ensured at the time of installation. A uniquely designed thrust bearing with high thrust capacity and good quality shaft seals are used to enhance the strength & durability. All single phase motors are supplied with suitable control boxes. The main advantage of rewindable motor construction is making the repair and rewinding easier and hassle free at field levels. All Tormac motors are produced in accordance with ISO 9001 standards and mounting dimensions with NEMA standard.

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Technical Data

Specifications Nominal Diameter     (6”)
Rated Output & Voltage 4.0 to 45kW – 380/415V, 3Ph,
Rated Speed 2900
Voltage Tolerance -15%    +6%
Protection IP 58 / IP68
Rotation Sequence CW, CCW –  3Ph
Outer Diameter 143mm
Duty S1 (Continuous)
Linear flow 0.15m/sec
Liquid Temperature 38˚C max
Switching Frequency 20 Times/Hour
Thrust load 4 to 22kW – 15500N/3000lbs 26 to 45kW – 27500N/6000lbs
Mounting Dimensions NEMA Standard
Starting Method 4 to 45kW – DOL 5.5 to 45kW – SD
Motor Lead out type 3/4 core Rubber Insulated Flat Cable leads, internally connected with the windings.
Class of Insulation Y
Thermal Protection High Temperature motors for 70˚C/90˚C Can be supplied with PT sensor and SLPE/PA winding

Construction Features

Components                                               Versions
TA/TS TB TN/TL
Seal Housing  S.S 304 / Casted S.S 304      Cast iron S.S 316 / Casted S.S 316
 Upper and lower support  S.S 304  Cast iron  S.S 316
 Shaft Seal  NBR  Nitrile Rubber  NBR
 Wound Stator Shell   S.S 304   S.S 304  S.S 316
 Spline Shaft  S.S 17 – 4PH  S.S 431/ S.S 17 – 4PH  S.S 417 -17PH
 Rotor Shaft  EN-8 (or) EN-9  S.S 431 / EN-8  EN-8 / EN-9
 Radial Bearings  Graphite Carbon  Graphite Carbon  Graphite Carbon
 Thrust Segment Carrier/Segments  SG Iron / S.S 420  S.S 420  SG Iron / S.S 420
 Thrust Disc  Graphite Carbon  Graphite Carbon  Graphite Carbon
 Pressure Equalizing Diaphragm  EPDM High Nitrile Rubber  EPDM
Diaphragm Cover  S.S 304   S.S 304  S.S 316

Applications

  • Agriculture
  • Mining
  • Industries
  • Residential
  • Fire Fighting and Dewatering
  • Construction & Building Services

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