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  5. Darling - Model TH Series - Dewatering ...

Darling - Model TH Series -Dewatering Pumps

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Dewatering is no more about removing excess water from one place or another, it has lot of other challenges like… dewatering sites are generally open to sky, prone to large amount of mud & debris & are often unmanned. Pumps need to be moved to multiple locations & thus need to be easily portable. Pumps movement, fitment & electrical connections are often done by unskilled labor & thus pumps are prone to damage during its movement or faulty electrical connections. Many a times due to ignorance, omission or un foreseen emergency pumps are put in to operation directly on main supply without using control panel in between. Due to this, pumps are generally exposed to erratic power supply, whether used on electrical supply or supply through genset. Due to all these uncertainties site engineers have to live with frequent breakdown of pump sets due to dry running, single phasing or mechanical jamming.
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Rating : Up to 90 kW
Flow : Up to 150 m3 / hr
Head : Up to 142 m
Induction Motor : Dry Type
Degree of Protection : IP68
Speed : 2900 rpm (Sync. speed)
Power Supply/Frequency* : 3-Phase, AC - 415V / 50Hz
Starting : Star Delta

* Option of Other Voltage & Frequency is also available.

  • Impeller – High wear resistant SS impeller,capable of pumping abrasive liquids.
  • Motor – Highly efficient dry motors with built-in protection against temperature rise & moisture sensor for indication for seal failure.
  • Efficiency Restoration System – Adjustable Neckring / Wear ring to restore efficiency.
  • Mechanical Seals – Dual mechanical seal, independent of discharge pressure, thus provide improved seal life.
  • Bearing– Heavy duty ball bearing used at top and bottom ends to balance adverse load.
  • Cable – Specially designed cable gland to avoid undue stress on cable joint.
  • Shaft – Extra heavy duty SS shaft not exposed to pumpage liquid.
  • Cooling: Additional protection for Mech. Seal by seal guard.
  • Portable :Compact, easy to handle design ensures better reach to maximum depth.
  • Micro Tunneling Projects
  • Pumping heavily contaminated water with abrasive particles.
  • Ideal for high head pumping of contaminated liquids.
  • Mines Dewatering.
  • Bridge Building
  • Deep Excavation
  • Underground Civil Projects