6″ D Series


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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.

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
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


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