v guard centrifugal pump

WNQ Submerged Dredge Pumps

WNQ Submerged Dredge Pumps

Size: 12" to 40" Pump

Capacity: 600-25000 m3/h

Head: 20-78 m

Handing solids: 0-350mm

Concentration: 0%-70%

Materials: Hyper chrome alloy, Cast iron, Stainless steel etc

Construction of dredging pump

Main Part Number At The Drawing

1 – Shaft 2 – Frame 3 – Mechanical Seal Assembly 4 – Connecting Plate

5 – Rear Liner 6 – Pump Casing 7 – Cover Plate 8 – Front Liner

9 – Impeller 10– Support

Features

Heavy Duty – a double-walled pump construction fully equipped with interchangeable wear parts. Excellent configuration for the most demanding operations.

Performance – a single-walled construction furnished with, where possible, replaceable wear parts. An all-purpose dredge pump and balanced option as regards weight, size and replaceable wear parts.

Easy – for operations that are less demanding. This is a single-walled construction without any replaceable wear parts – a pump construction with as few components as possible.

Benefits – reliable long-term operation and long lifetime, full range to suit all needs, up to 90 percent efficiency, minimum local wear, robust and easily maintainable.

Performance Parameters

Model Capacity (m3/h)Head (m)Speed (rpm)Eff. η (%)NPSHr (m)Inlet Dia. (mm)Outlet Dia. (mm)Max. Particles (mm)

300WNQ 1800-2200 20-65 300-550 70-78<4 350 300 240

450WNQ 3200-3800 20-67 250-550 70-78<4.5 600 450 240

500WNQ 4500-5800 20-65 250-550 74-80<4.5 650 500 240

600WNQ 5000-7000 20-65 250-550 74-80<4.5 660 600 250

650WNQ 6000-9000 20-70 200-400 75-85<5.5 700 650 260

700WNQ 7500-1200 20-75 200-400 78-85<5.5 760 700 280

800WNQ 10000-15000 20-78 200-380 80-84<6 900 800 300

900WNQ 12000-19000 20-75 810-350 80-85<6 960 900 320

1000WNQ 16000-25000 20-78 180-350 80-85< 6 1200 1000 350

Applications

All WNQ submersible mud pump configurations are available for onboard, inboard, submerged and booster applications, and with suction diameters ranging from 300 to 1,000mm.