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ZD(ZDG,ZDF,ZMD) Self-balancing Multistage Pump

This series pump is horizontal single suction multistage sectional centrifugal pump,owned 6 national patents, and with high efficiency, wide performance,steady and safety operation, low noise, long operation, easy installation.
It can deliver the medium with solid particles, besides, it can be changed the pump materials, seal type , add cooling system then can deliver the hot water, oils corrosive liquid, and abrasive medium. The material of pump:HT200,QT600,JM3,304,304L,316L, Inconel and so on.
We have passed ISO9001:2000 quality system certification, strictly control the pump design, production and service, totally make sure the pump quality.

Model Significance
ZD(ZDG,ZDF,ZDY,ZMD)46-30×4
ZD:Self-balancing multi-stage centrifugal pumps
ZDG:Self-balancing multi-stage boiler feed pumps
ZDF:Self-balancing multi-stage anti-corrosive pumps
ZMD:Self-balancing multi-stage anti-corrosive & erosive pumps
46:Rated Flow is 46 m³/h
30:Rated head for 1 stage is 30m
4:Number of stage for Pump is 4 stages

    1. No.

      Part Name

      No.

      Part Name

      No.

      Part Name

      No.

      Part Name

      1

      Coupling Assembly

      9

      Lantern Ring

      17

      Discharge Diffuser

      25

      Air Release Valve

      2

      Key

      10

      Cooling Chamber Cover

      18

      Discharge Casing

      26

      Bearing Housing B Assembly

      3

      Rotating Assembly

      11

      Suction Casing

      19

      Orifice Sleeve

      27

      Stud&Nut

      4

      Bearing Housing Assembly

      12

      Wear Ring

      20

      Dowel Pin

      28

      Hexagon Socket Head Cap Screw

      5

      Stud

      13

      Diffuser

      21

      Seal Flush Pipe Assembly

      29

      O-ring

      6

      Nut

      14

      Stage Casing

      22

      Tie Bolt

      30

      O-ring

      7

      Packing Gland

      15

      Inter-stage Bushing

      23

      Gasket

      8

      Packing

      16

      Wear Ring

      24

      Scend Suction Casing

       

      Performance data for ZD,ZDG,ZDF,ZDY,ZMD

      Type

      Series

      Speed ( r/min )

      Flow

      ( m³/h )

      Head ( h/m )

      ( NPSH )

      r/m

      Motor Power ( kw )

      Impeller Dia ( mm )

      6-25×3

      3

      2950

      6.3

      75

      2

      4

      Φ139

      6-25×4

      4

      2950

      6.3

      100

      2

      8

      Φ139

      6-25×5

      5

      2950

      6.3

      125

      2

      8

      Φ139

      6-25×6

      6

      2950

      6.3

      150

      2

      11

      Φ139

      6-25×7

      7

      2950

      6.3

      175

      2

      11

      Φ139

      6-25×8

      8

      2950

      6.3

      200

      2

      15

      Φ139

      6-25×9

      9

      2950

      6.3

      225

      2

      15

      Φ139

      6-50×3

      3

      2950

      6.3

      150

      3

      11

      Φ198

      6-50×4

      4

      2950

      6.3

      200

      3

      18.5

      Φ198

      6-50×5

      5

      2950

      6.3

      250

      3

      22

      Φ198

      6-50×6

      6

      2950

      6.3

      300

      3

      30

      Φ198

      6-50×7

      7

      2950

      6.3

      350

      3

      30

      Φ198

      6-50×8

      8

      2950

      6.3

      400

      3

      37

      Φ198

      6-50×9

      9

      2950

      6.3

      450

      3

      37

      Φ198

      6-80×3

      3

      2950

      6.3

      240

      3

      18.5

      Φ235

      6-80×4

      4

      2950

      6.3

      320

      3

      22

      Φ235

      6-80×5

      5

      2950

      6.3

      400

      3

      30

      Φ235

      6-80×6

      6

      2950

      6.3

      480

      3

      37

      Φ235

      6-80×7

      7

      2950

      6.3

      560

      3

      45

      Φ235

      6-80×8

      8

      2950

      6.3

      640

      3

      45

      Φ235

      6-80×9

      9

      2950

      6.3

      720

      3

      55

      Φ235

      12-25×3

      3

      2950

      12.5

      75

      2

      7.5

      Φ146

      12-25×4

      4

      2950

      12.5

      100

      2

      11

      Φ146

      12-25×5

      5

      2950

      12.5

      125

      2

      11

      Φ146

      12-25×6

      6

      2950

      12.5

      150

      2

      15

      Φ146

      12-25×7

      7

      2950

      12.5

      175

      2

      15

      Φ146

      12-25×8

      8

      2950

      12.5

      200

      2

      18.5

      Φ146

      12-25×9

      9

      2950

      12.5

      225

      2

      18.5

      Φ146

      12-50×3

      3

      2950

      12.5

      150

      2

      15

      Φ198

      12-50×4

      4

      2950

      12.5

      200

      2

      22

      Φ198

      12-50×5

      5

      2950

      12.5

      250

      2

      30

      Φ198

      12-50×6

      6

      2950

      12.5

      300

      2

      30

      Φ198

      Remark

      Parameter table above is only a part of whole. For more, please contact us directly.

1.OEM & customization capability
2.Our own foundry(Precision casting/Sand castings) to guarantee fast delivery and quality
3.MTC and Inspection report will be provided for each shipment
4.Rich operating experience for project orders


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