Factory directly Vertical Pump - ZD(ZDG,ZDF,ZMD) Self-balancing Multistage Pump – BESTOP

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. 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