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deep-well pump
current location: home PRODUCT deep-well pump

product name:250QJ deep well pump

Performance range:

Type:2015826191538

Material :stainless steel

Inet diameter:

Outlet diameter:100mm

Flow:Max 63m³/h

Operating temperature:<=80°

Solid particles:Not allowed

Work permit pressure:<=0.5Mpa

Allow experimental pressure:<=6.5Mpa

Pumping well water. Solar pump. Irrigation pump. Spray pump
Product use Requirement Type description Parameter

    product details:




    250QJ product selection form




    material



    Delivery casting: non-corrosive medium: cast iron HT200; mild corrosive medium: anti-corrosion coating, chemical treatment;


    Medium corrosive medium: stainless steel 304; highly corrosive medium: stainless steel 316; stainless steel 316L, tin bronze 3861.


    Axis: Select the material based on the media. Non-corrosive medium: 45# with chrome-plated shaft cold drawn steel; medium corrosive medium: 2Cr13, 3Cr13; strong corrosive medium: duplex stainless steel.


    Casing: This is a technical secret.






    Technical Parameters

    Max. Outer diameter: 234 mm. Export diameter: DN80, DN100, DN125. Outlet connection parameters: 8 M14*60 threaded studs, center distance: 180mm. For ease of installation, we also offer a flange and a gasket seal. Refer to the schematic diagram for a description of the coupling installation method.





    supply

    An outlet matching flange, a gasket seal, a manual, a warranty card, an approval certificate, and a wooden box.





    Note: This sample covers all models recommended by the company standard, and we have all models of the national standard available for stock. Due to space constraints, we have not given detailed information here.

    package



    If the total length of the complete set of equipment is less than 3.2m, the pump and motor have a pace of 1. In contrast, pumps and motors are packaged separately. If the customer does not have special requirements, we usually use wooden boxes.


    Working condition
    1. Power
    (1) If rated frequency is 50 HZ, rated voltage of motor end shall ensure for 380± 5% v with three phase ac power (need special order if the voltage is 660V).
    (2) Transformer load power should not exceed 75% of its capacity 
    (3) When transformer is far from the well, pressure drop of the transmission lines should be considered, if the power is greater than 45 kw, transformer to the wellhead distance should no more than 20 meters, when more than 20 meters, transmission line specification should be 2 levers higher than cable specification, line pressure drop should also be considered.
    2. Water quality
    (1) no corrosive water in general condition 
    (2) sand contents0.01% ( mass ratio ).
    (3) PH solution within 6.5-8.5
    (4) chloride ion content less than 400mg/L 
    (5) hydrogen chloride contents1.5mg/L
    (6) water temperatures20℃
    3. Wellbore requirements
    (1) straight, smooth, no bump and well tube dislocation, shaft diameter should not less than the corresponding frame size.

    Model implication

    2345截图20181228102143.png

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