20-24-30 Inches Gear Built-in Sand Gravel Dredger Pump / Dredging/Dredge Slurry Centrifugal Water Pump

Product Description

We are professional manufacturer for Sand gravel suction dredge, dredger ,dredging pump for pumping mining and river sand and gravel slurry with high and stable quality, and we have made many water pump solutions for many customers.
1. Specifications

Capacity: 1100~25,000m3/hr
Head: 20-85 m
Discharge Size: 250~1000mm
The largest one in China
2. WN(Q) series are specially designed for mud,sand dredging application in river or sea.Robust structure design with front disassemble way guarantee its extra long work life and easily maintenance. 300WN(Q)~500WN(Q) apply single shell structure and 600WN(Q)~1000WN(Q) double shell structure to satisfy heavy duty dredging work.High chrome alloy made liner spares with a hardness 60HRC could stand severe bear and tear.
3. Typical Applications River&Sea Mud&Sand Dredging

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

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