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Rodelta NS

The pump type NS is a vertical overhung, flexible coupled pump. The hydraulics comply with and exceed the hydraulic design parameters stated in EN733 (ISO 2858). These pumps are suitable of clean or slightly contaminated liquids. For heads above 45m at 1450rpm a number of sizes are available with a second stage, and include a diffuser to gently guide the flow from the first stage to the second. This design is available with bearing housing and spacer coupling.

For alternative specifications contact us.

  • Data Center
  • district heatingDistrict Heating
  • Drinking waterDrinking Water
  • IrrigationIrrigation
  • Wast WaterWast Water
  • Water treatmentWater Treatment

Rodelta NS

Features:

  • High efficiency – smooth suction entry
  • Well known for low NPSH required
  • Minimal flow distortion
  • Bottom suction side discharge
  • Renewable wear rings
  • Bearings grease lubricated
  • Mechanical seal acc. to EN12756
  • Discharge orientation variable
  • Water Industry coatings available
  • Minimal pump footprint
  • NS 3D CAD models directly downloadable from the website.
  • Optionally, Rodelta can equip the pump with a cast foundation ring. If it needs to be placed on a pile, Rodelta also has the option of supplying a support frame.
  • Construction of NS design provides cost savings in building costs. (*)
  • Vertical design drinking water pump can be easily installed. (Prefabricated pump chamber option.)  (*)

    (*)= Linked example is worked out using LS as an example, however, the same parameters apply for NS type implementation.)

Specifications:

  • Delivery size up to 200mm
  • Capacity up to 2.200m3/hr
  • Head up to 90m per stage
  • Suitable for liquid Temperature: Up to 80ºC
  • Sealing Arrangement: Gland packing or with mechanical seals
  • Flanges Drilling Standard: Flanges can be as per BS EN/DIN/ANSI/ASA standard

Applications:

  • Clean & slightly contaminated fluids (no large solids)
  • Cold and hot water, Cooling Water
  • Condensate
  • Water-Glycol mixtures, oil emulsions etc, Light Hydrocarbons

Applications:

  • Municipal
  • Chemical & Petrochemical
  • Sugar processing
  • Agricultural
  • Water supply, Drainage
  • Power plants
  • Data Center

Constructional features:

  • Discharge orientation variable
  • Back/top pull out
  • Bearings grease lubricated
  • Renewable wear rings
  • Compact build / Space saving design
  • Available as multistage and close coupled design (impeller mounted on drive shaft) named NSM
  • Availble in several material combinations. Cast iron, bornze, stainless steel, duplex

Icon drinking water pumps

More NS download material on Download Page.

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      NS

      EU US
      • Design standard EN 733 EN 733
      • Features Single casing, one stage, enclosed impeller.
      • Capacity @ BEP Upto 2200 m3/hr Upto 9600 Gpm
      • Head Upto 90 m Upto 295 feet
      • Temperature range -20 to 80 °C -4 to 176 °F
      • Discharge pressure Upto PN 10 Upto Class 125
      • Material (Casing/Impeller) Cast Iron, Bronze, SS, Duplex, Super Duplex
      • Nozzle Orientation (suc/dis) Bottom elbow suction / Side delivery(Vertical execution)
      • Standard Motor Sync. Speed 1000 / 1500 / 3000 rpm 1200 / 1800 / 3600 rpm
      • Options Gland packing / Mechanical Seal
      • Flange drilling standard BS EN/DIN/ANSI /ASA
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