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Buy Centrifugal Pumps self priming

  • Egypt Egypt  
  • Last Updated:
    Posted on: 07 Feb 2021

RFQ Details

4.1 RAW WATER MOTOR � PUMP SET (ITEM 001)
The Employer intends to replace the existing equipment by the following;
� Pumps: Q = 110mó/h @ 11m Head � Self Priming
� Motor: 15 H.P.

The motor pump set shall be a self priming, single-stage centrifugal pump for the pumping of raw (River Nile) water.

Intake / raw water pumps for surface water duty shall be designed for pumping raw water with a high silt content, to be capable of passing 7.5 mm diameter solids and to avoid possible choking by weeds or other tough sinuous material.

Pump and 3-phase AC motor shall be mounted as separate units on a common base plate and be connected via a flexible coupling with ratings and according to EN 733.
The impeller shall be hydraulically as well as dynamically balanced.
The Pump Motor set shall be suitable to fulfill following conditions as a minimum:

Liquid:
Raw Water, conditions as Nile Water
Liquid temperature range: 0 .. 60 ðC

Technical:
Design: Base plate mounted (Base plate type U-beam)
Orientation: Horizontal
Pump Standard: EN 733
Flow of the pump: 110 mó/h
Head of the pump: 11 m

Materials:
Material, pump housing: Cast iron
Material, impeller: Cast iron
Shaft: Stainless Steel

Installation:
Maximum ambient temperature: 60 ðC
Maximum operating pressure: 16 bar
Standard, pipe connection: Standard DIN flanged PN 16
Suction position: axial / front
Pump discharge position: top (0ð/360ð)

Electrical data:
Efficiency not less than 88%
Mains frequency: 50 Hz
Power: AC, 3Phase
Operating voltage: 400V
Cosphi - power factor: more than 0.8
Enclosure class (IEC 34-5): IP55
Insulation class (IEC 34-1): F
Motor speed: Acc to pump speed, no gear
Motor protection: without
Motor winding 380 / 660 V


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