Companion Traders

 These centrifugal single or multi stage vertical pumps are ideally suitable for openwells where there is wide fluctuations in  water level. This works under water and it rests at bottom of the well. Hence, suction and priming problems do not arise.  Pump portion is of single or multi stage and are fitted with cast iron casing and impellers. Pump�s volute chamber is designed to give the best possible hydraulic efficiency. Dynamically balanced impellers offer vibration free operation with long life. Prime mover is water filled, rewindable, water lubricated and water cooled submersible motor.  It features water lubricated  thrust  and  journal  bearings.  Specially  designed   high   performance   thrust bearings are used that can withstand axial thrust  loads  with  minimum  wear & tear.  The unique design of thrust bearings create a wedge of water between the shoe and the disc and thereby it gives better water lubrication and increases the life cycle of the  thrust bearings. The stator is wound with special water proof bi-axially oriented synthetic film insulated winding wires and made up of low watt loss steel laminations assembled under pressure, rigidly locked in a stator shell. Dynamically balanced rotor maintains uniform clearance, thereby it gives better efficiency and increases the life cycle of the bushes and motor. Motor sealing is made by means of grommets , �O� rings, shaft seals and sand guard to avoid ingress of well water / sand into the motor. Pressure  equalizing rubber diaphragm is provided to guard the pressure and volume variations of water inside the motor. Motor is pre filled with clear, cold, pure, fresh filtered water. However, on request, motors can be pre-filled with water and propylene glycol (Anti-freeze agent) for places where the temperature is below the freezing conditions. Before commissioning ensure the pre filled level of water inside the motor. If any loss of volume is noticed, refill with clear, cold, pure, fresh filtered  water through water filling plugs. Should the use of anti - freeze agent mixed water not be allowed for special applications, these motors can also be filled with clear, cold, pure, fresh, filtered  water  and  operated. These Submersible pumps  require an adequate motor protection control panel.

Applications

Garden, Irrigation, Drip & Sprinkler irrigation, Public water supply, Industrial & rural water supply. 

 Pump operating Limitations