China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)

Model NO.: G
Position of Pump Shaft: Horizontal Pump
Pump Casing Combined: Horizontal Split Pumps
Mounting Height: Suction Centrifugal
Impeller: Closed
Usage: Pump, Pumps, Condensate Pump, Ash Pumps, Circulating Pump, Slurry Pump
Color: Customer′s Request
Discharge Size: 4-40 Inches
Flow: 180-25000 M3/H
Head: 20-85 M
Certificate: Ce, SGS, ISO
OEM: Yes
Seal Type: Gland Packing
Non-Standard: Available
Warranty: 1 Year (Except Wet End Parts)
Bearing: Zwz, SKF, Timken...
Trademark: Naipu
Transport Package: Standard Export Wooden Cases
Specification: CE, SGS, ISO9001
Origin: China
HS Code: 8413709990
Model NO.: G
Position of Pump Shaft: Horizontal Pump
Pump Casing Combined: Horizontal Split Pumps
Mounting Height: Suction Centrifugal
Impeller: Closed
Usage: Pump, Pumps, Condensate Pump, Ash Pumps, Circulating Pump, Slurry Pump
Color: Customer′s Request
Discharge Size: 4-40 Inches
Flow: 180-25000 M3/H
Head: 20-85 M
Certificate: Ce, SGS, ISO
OEM: Yes
Seal Type: Gland Packing
Non-Standard: Available
Warranty: 1 Year (Except Wet End Parts)
Bearing: Zwz, SKF, Timken...
Trademark: Naipu
Transport Package: Standard Export Wooden Cases
Specification: CE, SGS, ISO9001
Origin: China
HS Code: 8413709990

China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)

1. dredge pump suitable for dredging ship:

The structure of 200WS-500WS type pumps are single-casing, single-stage, single-suction, cantilever and horizontal. According to the connection with the gear box, two structures can be offered: self-carrying bracket and pump-box assembly. The lubrication for the bracket is grease or thin oil.

The structure of 600WSG-1000WSG type pumps are double-casing, single-stage, single suction, cantilever and horizontal. It has self-carrying bracket. Lubrication is forced thin oil lubricating. The double-casing design can ensure the liner can work till it is worn out, and if the liner crack, water can not enter into the pump.

2. Easy to Disassembly and Installation, Convenient Maintenance:

WSG type pump adopts front-disassembly structure in favor of easy disassembly and maintenance. Also it is equipped with special disassembly tools for each different part according to each parts features.

The standard trapezoidal quadruple thread is adopted to connect the impeller and shaft, which not only transmits strong torque but also is easy to disassembly.

3. Good Performance on NPSH:

The good NPSH performance of WN type pump ensures the strong suction ability as well as deeper dredging depth and denser dredging concentration.

4. Good Wear-resistant Performance, Long Service Time of Wet Parts:

Wet parts of this kind of dredging pump-impeller, liner and front & back liner plate are adapted anti-wear cast iron alloy whose hardness is more than 58HRC, who has both strong anti-attack feature and higher resistance wear and resistance abrasion features.

5. Reliable Shaft Sealing Without Leakage:

The shaft of 200-500WSG dredging pump uses the mechanical sealing or stuffing sealing or mechanical-stuffing compound sealing.

The shaft of 600-1000 WSG dredging pump adopts spiral sleeve L (shape) rubber sealing device that consists of three L sealing ring and one special thread shaft sleeveChina Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)
China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)
China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)

Pump performance parameters

Model Capacity m³/hr Head    m

Speed

/rpm

Efficiency

/%

Inlet Size

/mm

Outlet

Size

/mm

NPHr Max Flowed Particle/mm

Pump

Weight

/ton

 Applications
m Five Pieces Three Pieces
100WS 180-250 25-45 1000-1400 50-58 150 100 3.5 50 82 0.5 River Sand
150WS 250-550 20-40 1200-1400 58-60 200 150 4 76 127 1.1

Suction

Hopper

Dredging

150WSG 350-700 40-65 800-980 68-71 200 150 3.5 84 140 1.9
200WS 550-1000 20-45 700-980 60-65 250 200 4.5 105 178 2.3
200WSG 550-1000 40-65 700-850 70-72 250 200 4 108 180 3.2 Dredging
250WS 700-1100 20-45 500-750 65-70 300 250 4 132 220 4.5

Slag

Granulation

250WSG 900-1500 40-60 500-650 70-74 350 250 4.5 86 144 4.6
300WS 1100-1800 20-40 400-600 65-68 350 300 4.5 144 241 5.5 Sugar Beet
300WSG 1500-2200 30-65 400-550 74-78 450 300 4 144 241 8

Sand

Reclamation

350WSG 2000-3000 40-65 400-550 74-78 450 350 4 147 245 8.8
450WSG 3000-4000 35-67 350-500 76-80 600 450 4.5 125 254 12

Constructional

Material 

500WSG 4000-5500 40-65 350-450 78-80 650 500 4.8 150 250 17
600WSG 5000-9000 55-80 320-400 81-85 650 600 6 160 220 35 Barge Loading
700WSG 8000-12000 60-85 280-380 83-85 750 700 6 180 280 50

Sand gravel

processing

800WSG 10000-15000 50-70 260-360 79-80 850 800 6 200 300 58
900WSG 12000-19000 50-75 280-330 83-85 950 900 6 210 320 85  
1000WSG 16000-25000 23-76 180-290 85-87 1100 1000 6 230 350 126

 

China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)
2. 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

3. Materials of construction

  VOLUTE IMPELLERS BASE EXPELLER EXPELLER RING SHAFT SLEEVE SEALS
Standard High Chrome Alloy High Chrome Alloy Cast Iron High Chrome Alloy or
SG Iron
High Chrome Alloy or
SG Iron
SG Iron Natural Rubber
Options SG Iron SG Iron Mild Steel
Fabricated
SG Iron SG Iron  EN56C
Ferralium
Hasteloy C
Ceramic
Stellite
Chrome Oxide
Nordel
Neoprene
Viton
Butyl
EPDM
 

3. Pump performance parameters 

Model 

Flow

(m3/h)

Head

(m)

Speed

(r/min)

Efficiency

(%)

 Motor

(kw)

Drive type

 

 

6/4 D-G

187-36

7-51

1400-600

30-58

52-3

CV.CR.DC

-Slag Granulation

8/6 E-G

576-133

10-48

1400-800

60-54

88-11

CV.CR.DC

-Suction Hopper Dredging

10/8 F-G

930-216

11-44

940-500

65-34

147-22

CR.DC

-Sand Reclamation

12/10 G-G

1512-360

11-58

850-400

70-50

305-24

CR.DC

-Barge Loading

14/12 G-G

3168-522

9.5-66

700-300

68-60

643-29

CR.DC

-Sand Reclamation

16/14 TU-G

3024-900

14-45

500-300

70-50

459-78

CR.DC

-Sugar Beet

8/6 F-GH

648-126

15-77

1050-500

71-50

177-12

CR.DC

-Dredging

10/8 F-GH

1091-324

19.2-56.5

800-500

72-60

205-32.4

CR.DC

-Constructional Material 

12/10 G-GH

2232-612

28-77

700-450

73-60

558-89

CR.DC

-Sand gravel processing

16/14 TU-GH

3450-1000

72-25

500-300

78-65

2-8

CR.DC

 

18/16 TU-GH

3600-1050 42-12 250-450 60-72 2-8 CR.DC  

20/18 TU-GH

4300-1350 70-18 250-500 60-70 2.5-8 CR.DC  

Contact:

Katherine Hou
Shijiazhuang Naipu Pump Co., Ltd     
Cellphone : +86-15028111051 

China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)
Part Code No.: DG4131A05, DG4137A05, DG4041A05, DG4032M, EG6124, DAM073M, DAM005M...

EG6131A05, EG86013A05, EG86137A05, E4041A05, E117C21, E075C21, E003MG01, E134, EG6032MD21, E004MG01, E073ME05, E005M...

FG8131A05, FG8131AA05, FG108013A05, FG8137A05, FG8137AA05, FG8041A05, F117C21, F8135, F118C21, F063C21, F004MG01, F073ME05, F005M, F111...

FG10131A05, GG10013A05, FG10137A05, FG10137AA05, GG10041A05, GG10117, GG028G01, G003MD21, GG10032D21, FG10132, G004MD21, GG073ME05, GG005MZ-01E05...

GG12131A05, GG1412292G01, GG12137A05, GG12137AA05, GG1412013A05, GG12041A05, G12135, GG12032D21, U18122, G073ME05, G005MZ-01E05, G075J04, G078, G118, G117...

HG14131A05, HG14292D21, TG14148A05, HG14130MA05, HG14041MA05, HG078, HG14135, ESY5672, HG14032D21, HG16130, HG14221, TH005M...

GG16131A05, GG16013A05, GG16041MA05, GG16137A05, GG16147A05, G16135E02, G063RC23, G075J31, G117J31, G067C23, G078D21...
China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)

China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)

1. dredge pump suitable for dredging ship:

The structure of 200WS-500WS type pumps are single-casing, single-stage, single-suction, cantilever and horizontal. According to the connection with the gear box, two structures can be offered: self-carrying bracket and pump-box assembly. The lubrication for the bracket is grease or thin oil.

The structure of 600WSG-1000WSG type pumps are double-casing, single-stage, single suction, cantilever and horizontal. It has self-carrying bracket. Lubrication is forced thin oil lubricating. The double-casing design can ensure the liner can work till it is worn out, and if the liner crack, water can not enter into the pump.

2. Easy to Disassembly and Installation, Convenient Maintenance:

WSG type pump adopts front-disassembly structure in favor of easy disassembly and maintenance. Also it is equipped with special disassembly tools for each different part according to each parts features.

The standard trapezoidal quadruple thread is adopted to connect the impeller and shaft, which not only transmits strong torque but also is easy to disassembly.

3. Good Performance on NPSH:

The good NPSH performance of WN type pump ensures the strong suction ability as well as deeper dredging depth and denser dredging concentration.

4. Good Wear-resistant Performance, Long Service Time of Wet Parts:

Wet parts of this kind of dredging pump-impeller, liner and front & back liner plate are adapted anti-wear cast iron alloy whose hardness is more than 58HRC, who has both strong anti-attack feature and higher resistance wear and resistance abrasion features.

5. Reliable Shaft Sealing Without Leakage:

The shaft of 200-500WSG dredging pump uses the mechanical sealing or stuffing sealing or mechanical-stuffing compound sealing.

The shaft of 600-1000 WSG dredging pump adopts spiral sleeve L (shape) rubber sealing device that consists of three L sealing ring and one special thread shaft sleeveChina Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)
China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)
China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)

Pump performance parameters

Model Capacity m³/hr Head    m

Speed

/rpm

Efficiency

/%

Inlet Size

/mm

Outlet

Size

/mm

NPHr Max Flowed Particle/mm

Pump

Weight

/ton

 Applications
m Five Pieces Three Pieces
100WS 180-250 25-45 1000-1400 50-58 150 100 3.5 50 82 0.5 River Sand
150WS 250-550 20-40 1200-1400 58-60 200 150 4 76 127 1.1

Suction

Hopper

Dredging

150WSG 350-700 40-65 800-980 68-71 200 150 3.5 84 140 1.9
200WS 550-1000 20-45 700-980 60-65 250 200 4.5 105 178 2.3
200WSG 550-1000 40-65 700-850 70-72 250 200 4 108 180 3.2 Dredging
250WS 700-1100 20-45 500-750 65-70 300 250 4 132 220 4.5

Slag

Granulation

250WSG 900-1500 40-60 500-650 70-74 350 250 4.5 86 144 4.6
300WS 1100-1800 20-40 400-600 65-68 350 300 4.5 144 241 5.5 Sugar Beet
300WSG 1500-2200 30-65 400-550 74-78 450 300 4 144 241 8

Sand

Reclamation

350WSG 2000-3000 40-65 400-550 74-78 450 350 4 147 245 8.8
450WSG 3000-4000 35-67 350-500 76-80 600 450 4.5 125 254 12

Constructional

Material 

500WSG 4000-5500 40-65 350-450 78-80 650 500 4.8 150 250 17
600WSG 5000-9000 55-80 320-400 81-85 650 600 6 160 220 35 Barge Loading
700WSG 8000-12000 60-85 280-380 83-85 750 700 6 180 280 50

Sand gravel

processing

800WSG 10000-15000 50-70 260-360 79-80 850 800 6 200 300 58
900WSG 12000-19000 50-75 280-330 83-85 950 900 6 210 320 85  
1000WSG 16000-25000 23-76 180-290 85-87 1100 1000 6 230 350 126

 

China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)
2. 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

3. Materials of construction

  VOLUTE IMPELLERS BASE EXPELLER EXPELLER RING SHAFT SLEEVE SEALS
Standard High Chrome Alloy High Chrome Alloy Cast Iron High Chrome Alloy or
SG Iron
High Chrome Alloy or
SG Iron
SG Iron Natural Rubber
Options SG Iron SG Iron Mild Steel
Fabricated
SG Iron SG Iron  EN56C
Ferralium
Hasteloy C
Ceramic
Stellite
Chrome Oxide
Nordel
Neoprene
Viton
Butyl
EPDM
 

3. Pump performance parameters 

Model 

Flow

(m3/h)

Head

(m)

Speed

(r/min)

Efficiency

(%)

 Motor

(kw)

Drive type

 

 

6/4 D-G

187-36

7-51

1400-600

30-58

52-3

CV.CR.DC

-Slag Granulation

8/6 E-G

576-133

10-48

1400-800

60-54

88-11

CV.CR.DC

-Suction Hopper Dredging

10/8 F-G

930-216

11-44

940-500

65-34

147-22

CR.DC

-Sand Reclamation

12/10 G-G

1512-360

11-58

850-400

70-50

305-24

CR.DC

-Barge Loading

14/12 G-G

3168-522

9.5-66

700-300

68-60

643-29

CR.DC

-Sand Reclamation

16/14 TU-G

3024-900

14-45

500-300

70-50

459-78

CR.DC

-Sugar Beet

8/6 F-GH

648-126

15-77

1050-500

71-50

177-12

CR.DC

-Dredging

10/8 F-GH

1091-324

19.2-56.5

800-500

72-60

205-32.4

CR.DC

-Constructional Material 

12/10 G-GH

2232-612

28-77

700-450

73-60

558-89

CR.DC

-Sand gravel processing

16/14 TU-GH

3450-1000

72-25

500-300

78-65

2-8

CR.DC

 

18/16 TU-GH

3600-1050 42-12 250-450 60-72 2-8 CR.DC  

20/18 TU-GH

4300-1350 70-18 250-500 60-70 2.5-8 CR.DC  

Contact:

Katherine Hou
Shijiazhuang Naipu Pump Co., Ltd     
Cellphone : +86-15028111051 

China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)
Part Code No.: DG4131A05, DG4137A05, DG4041A05, DG4032M, EG6124, DAM073M, DAM005M...

EG6131A05, EG86013A05, EG86137A05, E4041A05, E117C21, E075C21, E003MG01, E134, EG6032MD21, E004MG01, E073ME05, E005M...

FG8131A05, FG8131AA05, FG108013A05, FG8137A05, FG8137AA05, FG8041A05, F117C21, F8135, F118C21, F063C21, F004MG01, F073ME05, F005M, F111...

FG10131A05, GG10013A05, FG10137A05, FG10137AA05, GG10041A05, GG10117, GG028G01, G003MD21, GG10032D21, FG10132, G004MD21, GG073ME05, GG005MZ-01E05...

GG12131A05, GG1412292G01, GG12137A05, GG12137AA05, GG1412013A05, GG12041A05, G12135, GG12032D21, U18122, G073ME05, G005MZ-01E05, G075J04, G078, G118, G117...

HG14131A05, HG14292D21, TG14148A05, HG14130MA05, HG14041MA05, HG078, HG14135, ESY5672, HG14032D21, HG16130, HG14221, TH005M...

GG16131A05, GG16013A05, GG16041MA05, GG16137A05, GG16147A05, G16135E02, G063RC23, G075J31, G117J31, G067C23, G078D21...
China Sand Gravel Suction Slurry Pump for Vessel Dredging (G/WS)

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