Borehole Submersible Motors 4″ (D-Series-60Hz)

Borehole Submersible Motors 4″ (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     (4”)
Rated Output & Voltage 0.37 to 2.2kW – 230V, 1Ph, 3Wire 0.37 to 7.5kW – 380/415V, 3Ph,
Rated Speed 2900
Voltage Tolerance -15%    +6%
Protection IP 58
Rotation Sequence CCW        – 1Ph CW, CCW –  3Ph
Outer Diameter 98mm
Duty S1 (Continuous)
Linear flow 0.15m/sec
Liquid Temperature 38˚C max
Switching Frequency 20 Times/Hour
Thrust load 0.37 to 1.5kW – 3000N/650lbs 2.2 to 7.5kW – 6500N/1500lbs
Mounting Dimensions NEMA Standard
Starting Method 1 Ph – CSCR 3 Ph – DOL
Motor Lead out type 3/4 core Rubber Insulated Flat Cable leads, internally connected with the windings.
Class of Insulation Y

All the Mounting dimensions are in accordance with NEMA standards.

Construction Features

Components Version – A Version – TN
Seal Housing Cast iron with S.S 304 shell Cast iron with S.S 316 shell
Upper and lower support Cast iron Cast iron
Shaft Seal NBR NBR
Wound Stator Shell S.S 304 S.S 316
Spline Shaft 417-4Ph 417-4Ph
Rotor Shaft EN-8/EN-9  EN-8/EN-9
Radial Bearings Graphite Carbon Graphite Carbon
Thrust Segment Carrier/Segments SG Iron / S.S 420 SG Iron / S.S 420
Thrust Disc Graphite Carbon  Graphite Carbon
Pressure Equalizing Diaphragm HNBR  HNBR
Diaphragm Cover S.S 304 S.S 316

Applications

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

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