DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-21

DQ MARINE PRODUCT DATA

WN Dredge pump

Category
Dredging pump
Origin
China
WN Dredge pump

Product Overview

DQ Marine supplies marine equipment and technical products for shipyards, vessel operators, offshore projects and industrial buyers worldwide.

Key Specifications

Category Dredging pump
Model / SKU wn-dredge-pump
Weight / Size 18px;">WN Dredge pump    
Origin China

Technical Information

WN Dredge pump

Dredge pump is a single state, single suction, cantilever, horizontal structure, the dredging pump structure is divided into two kinds according to the size of pressure discharging single and double pump casing.

Structure diagram:

1.Shaft 2.Frame base 3. Dismountable impeller ting 4.Machine seal 5.Joint plate 6.Frame 7.Pump body 8.Pump cove 9.Front plate impeller 11.Mounting plate

Technical parameter:

Model Capacity Head Speed Eiffciency% NPSH(m)
200WNQ 600-800m3/h 20-40m 700-900rpm 60-65 4.5
200WN 750-1000m3/h 40-65m 700-850rpm 70-72 4
250WNQ 950-1100m3/h 20-40m 500-700rpm 65-70 4
250WN 1100-1300m3/h 40-65m 500-650rpm 70-74 4
300WNQ 1500-1800m3/h 20-40m 400-600rpm 65-68 4
300WN 1800-2200m3/h 40-65m 400-550rpm 74-78 4
350WN 2600-3000m3/h 40-65m 400-550rpm 74-78 4.5
400WN 2800-3200m3/h 20-40m 400-550rpm 74-78 4.5
450WN 3200-3850m3/h 40-67m 350-500rpm 76-80 4.5
500WNQ 3600-4200m3/h 20-40m 220-320rpm 72-75 4.8
500WN 4500-5500m3/h 40-65m 350-450rpm 78-80 4.8
600WN 5000-9000m3/h 55-80m 280-420rpm 84-85 6
700WN 8000-12000m3/h 60-85m 280-380rpm 83-85 6
800WN 10000-15000m3/h 40-78m 200-380rpm 80-84 6
900WN 12000-19000m3/h 50-75m 280-330rpm 85-87 6
1000WN 16000-25000m3/h 23-76m 181-290rpm 85-87 6