ZN250 High efficiency river dredging pump

ZN series high efficiency new designed dredger pumps are particularly suitable for dredging, filling and other operations in rivers and lakes.
It fully meets the requirements of the dredger for mud pumps.They are composed of a pump head, reducer gear box, high elastic coupling,
and marine transmission monitoring system.

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Product Description

Overview

ZN dredge pump is new type of single-stage, single suction, cantilever horizontal dredge pump.

It is composed of a pump head, reducer gear box, high elastic coupling, and marine transmission monitoring system.

With advantages of high efficiency, wear resistant, excellent performance,

It is designed for handling more abrasive with solids slurries in the river dredging, sand reclamation,

explosive sludge in metal melting, dredging in dredger and course of river and other fields.

▲Model Meaning

ZN250 ZN: Zidong Pump High Efficiency Dredging Pump

250: Discharge size in mm

Pump model	ZN250 dredging pump
Inlet&Discharge size	14X10 inch
Flow range	300-1600m3/h
Head range	35-80m
Speed range	490-750rpm
Power in max	560kw
Solid handling	144mm

Feature

1. Cantilevered, horizontal, centrifugal, one stage, single casing pump;

2. High head, large capacity, high efficiency, good NPSH performance;

3. Long bearing life, the bearing assembly with large diameter shaft and short overhang;

4. Wear-resistant wet parts, the wet parts are made of Ni hard and

high chromium abrasion resistant alloys. (more than 27% Chrome alloy);

5. The shaft seals can be gland seal or Lip seal;

6. The discharge branch can be positioned at interval of 45 degrees by request and

oriented to any eight positions to suit installations and applications.

Structure

Specification

Model	ZN Dredging Pump Performance Table
	Capacity	Head	Speed	Efficiency	NPSH	Outlet/Inlet Diameter	Max Particles Size
	(m3/h)	H(m)	n(r/min)	η(%)	(m)	(mm)	(mm)
ZN250	300-1600	35-80	490-750	70-74	4	250/350	144
ZN300	1800-3000	40-65	425-550	74-78	4	300/450	241
ZN350	2600-3000	40-65	400-550	74-78	4.5	350/450	205
ZN400	2800-3200	20-40	400-550	74-78	4.5	400/450	200
ZN450	3200-3850	40-67	350-500	76-80	4.5	450/600	254
ZN500	4500-5500	40-65	350-450	78-80	4.8	500/650	250
ZN600	5000-9500	55-80	280-420	84-85	6	600/660	280
ZN700	8000-12000	60-85	280-380	83-85	6	700/760	300
ZN800	10000-15000	60-70	260-360	79-80	6	800/850	320
ZN900	12000-19000	50-75	280-330	85-87	6	900/960	340
ZN1000	16000-25000	23-76	181-290	85-87	6	1000/1200	350

Application

Zidong high efficiency horizontal dredge pump are designed for heavy duty applications such as mining,

power sector, dredging river, and tailings as well as specialty applications,

which are used for continuous pumping of high abrasive, high density sand and gravels.

Mineral Processing;	Power Generation;	Ash Handling;
Flue Gas Desulfurization;	Thickener & Tailings;	Mine Dewatering;
Industrial Slurries;	Aggregate;	Dredge.