Dredging Pump
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WNG, WNGH Series Dredging Pump

Structural characteristics

WNG、WNHG-type gravel pump is single-stage, cantilever and horizontal centrifugal structure. The impeller has wide flow, strong flow capacity and excellent cavitation performance. The single-shell clamp type connection structure can be installed at any angle according to the needs. .

Shaft seals can be filled with packing, impeller seals, mechanical seals

Structural characteristics

WNG、WNHG

-type gravel pump is single-stage, cantilever and horizontal centrifugal structure. The impeller has wide flow, strong flow capacity and excellent cavitation performance. The single-shell clamp type connection structure can be installed at any angle according to the needs. .

Shaft seals can be filled with packing, impeller seals, mechanical seals

Applicable working conditions

Widely used in blast furnace slag, alumina, subway shield, sand absorption, river dredging, especially suitable for conveying coarse particle medium or high temperature slurry.

Performance range

Discharge range: 100 ~ 350mm

Flow range: 150~2880m3/h

Head range: 10 ~ 90m

Model meaning

WNG, WNGH Series Dredging Pump

WNG、WNHGseries gravel pump basic parameters


G, GH Pump modelflowQ(m3/h)Head H(m)Rotating speedn(r/min)EffectiVenessη(%)Must have NPSH margin(m)Discharge port diameter(mm)Suction port diameter(mm)
6/4D-WNG108~2166~52600~1400522.0~3.0100150
8/6E-WNG180~4308~45800~1400602.0~3.5150200
8/6F-WNGH216~54018~90500~1100712.0~4.0150200
10/8F(S)-WNG360~75010~52500~1000652.0~4.5200250
10/8S-WNGH432~108018~80500~950722.0~4.0200250
12/10G-WNG576~112010~60400~850652.0~4.5250300
12/10G(T)-WNGH720~180014~75360~700732.0~6.0250300
14/12G-WNG900~223010~65300~700682.0~6.5300350
16/14G-WNG1440~282015~47300~500702.0~6.0350400
16/14TU-WNGH1620~252022~70300~500722.0~5.5350400
18/16TU-WNG1250~288010~47250~500722.0~5.2400450
18/16TU-WGH2160~422025~90250~500782.0~7.5400450


                          G, GH Series Gravel Pump