WN Sand Dredge Pump

WN series dredge pump is a kind of new type dredging pump developed by our company using various advanced computer aided design software, aiming at the current situation of dilapidated, dredging and reclamation of rivers and lakes.

The series of this dredging pump has the characteristics of excellent dredging performance, long life, high efficiency, reliable shaft seal, comprehensive economic’benefits, and other characteristics, can fully meet the dredging pump requirements, also pass the CCS China Classification Society ship inspection.

At present, the series of dredge pumps have been successfully using in river ,lake and sea for cutter suction dredging Ship and received a good economic and social benefits.

Performance and structural characteristics

1. structure is simple and reliable

2. Easy disassembly, easy maintenance

3. excellent dredging performance

4.Good pass capacity, wide applicability without clogging.

5.Good wear resistance, long using life wet parts

6.Water loss is small, high efficiency, low power consumption

7.Shaft seal is reliable and no leakage

dredge pump can either be installed onboard of the dredging vessels or in the sucton pipe or cutter ladder as submerged pump.

Construction

Parameter

Discharge Size: 8~40inch

Capacity: 750~25000m3/hr
Head: 20-85 m

Eff.: Max.87%
Handing solids: 0-350mm
Concentration: 0%-70%

selection Chart and Performance
Model	NPSH	Flow(m3/H)	Head (M)	Speed(rpm)	Efficiency(%)	discharge/suction (mm)	Min size of passage
	(m)						(mm)
200WN	4	750-1000	40-65	700-850	70-72	200/250	180
250WN	4	1100-1300	40-65	500-650	70-74	250/350	144
300WN	4	1800-2200	40-65	400-550	74-78	300/450	244
350WN	4.5	2600-3000	40-65	400-550	74-78	350/450	245
400WN	4.5	2800-3200	20-40	400-550	74-78	400-550	250
450WN	4.5	3200-3800	40-67	350-500	76-80	450/600	354
500WN	4.8	4500-5800	40-65	350-500	78-80	500/650	250
600WN	6	5000-9000	55-80	280-420	84-85	600/660	220
700WN	6	8000-12000	60-85	280-380	83-85	700/760	280
800WN	6	10000-15000	50-78	200-380	85-87	800-/900	300
900WN	6	12000-19000	50-75	280-330	85-87	900/960	320
1000WN	6	16000-25000	23-76	181-290	85-87	1000/1200	350
for more detailed specification and performance data , please contact us directly by email or call.