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CDL200-20 multi-stage pump detailed parameters and performance curve

11 Oct 2021Email

   CDL200-20 multistage pump

   Model: CDL200-20

  Rated flow (m3/h): 200

   Rated head (m): 69

  Rated efficiency (%): 72

   Shaft power (kw): 52.2

   Impeller series: 2

  Speed (rpm): 2950

  Impeller material: 304/316L

   Guide vane material: 304/316L

  Rubber code: NBR/EPDM

  Pump head, inlet and outlet section: HT200

  Environmental temperature: maximum +40℃

   Connection method: standard flange PN25/DN25

   Connection code: F

   Medium temperature normal temperature type: -15℃~+70℃

   Medium temperature hot water type: -15℃~+120℃

  Motor power (kw): 55

   Motor phase number: three-phase

  Protection level: IP55

   Insulation class: F

  Mechanical seal: CDLA-36

   Impeller steering: clockwise

   Weight (kg): 595

 

CDL200-20 multi-stage pump performance curve

CDL200-20 multi-stage pump performance curve

CDL200-20 multi-stage pump installation drawing

CDL200-20 multi-stage pump installation drawing

CDL200-20 multi-stage pump structure diagram

CDL200-20 multi-stage pump structure diagram

 

Multistage pump is mainly composed of four parts: stator, rotor, bearing and shaft seal:

  1. The stator part of the multi-stage pump is mainly composed of the suction section, the middle section, the discharge section and the guide vane, etc., with tension bolts to clamp each section to form a working room. The D-type pump generally sucks in horizontally and discharges vertically upward; when it is used for water injection in oil fields, the inlet and outlet of the pump are vertically upward. The outlet and inlet of the DG multi-stage pump are vertically upward.

  2. The rotor part of the multi-stage pump is mainly composed of shaft, impeller, balance disc and shaft sleeve. The axial force is balanced by the balance plate.

  3. Multi-stage pump bearings are mainly composed of bearing bodies, bearings and bearing glands. The bearings are lubricated with grease or thin oil.

  4. The shaft seal of the multi-stage pump adopts a soft packing seal, which is mainly composed of the sealing box body, packing and water retaining ring on the water inlet section and the tail cover. D type pump water seal water comes from the pressure water in the pump. The sealing water of DG pump comes from external water supply.

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