Customization: | Available |
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Max.Head: | 50-80m |
Max.Capacity: | >400 L/min |
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Naipu® NP-WS dredging pump is single-stage single-suction cantilever horizontal centrifugal pump with advantages of light weight ,good wear-resistant ,super dredging performance ,perfectly suited for the dredge on the whole construction ,high multiple economy benefits and so on .It throughout meets requirements of the dredge to dredging pumps .The pump mainly consists of the pump head , gearbox specifically for the dredging pump ,high elastic coupling and supervisor system of the driving device for the dredge.
Typical Applications---
Suction Hopper Dredging
Constructional Material
Sand gravel processing
Barge Loading
Sand Reclamation
NP-WS Dredging PUMP PERFORMANCE PARAMETERS
Type | Capacity (M3/H) | Head (M) | Speed (r/min) | Efficiency(%) | Inlet Dia (mm) | Outlet dia. (mm) |
NPSHR (M) |
Max dia of flowed particle | Weight(T) | ||
five | three | ||||||||||
100 WS | 180-250 | 25-45 | 1000-1400 | 50-58 | 150 | 100 | <3.5 | 50 | 82 | 0.5 | |
150WS | 250-550 | 20-40 | 1200-1400 | 58-60 | 200 | 150 | <4 | 76 | 127 | 1.1 | |
150WSG | 350-700 | 40-65 | 800-980 | 68-71 | 200 | 150 | <3.5 | 84 | 140 | 1.9 | |
200WS | 350-700 | 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 | |
250WS | 700-1100 | 20-45 | 500-750 | 65-70 | 300 | 250 | <4 | 132 | 220 | 4.5 | |
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 | |
300WSG | 1500-2200 | 30-65 | 400-550 | 74-78 | 450 | 300 | <4 | 144 | 241 | 8.0 | |
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 | |
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 | |
700WSG | 8000-12000 | 60-85 | 280-380 | 83-85 | 750 | 700 | <6 | 180 | 280 | 50 | |
800WSG | 10000-15000 | 50-70 | 260-360 | 79-80 | 850 | 800 | <6 | 200 | 300 | 58 | |
900WSG | 120000-19000 | 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 |
Pump Construction drawing :
Main Part Number At The Drawing
003:Base 005:Bearing Assembly 132:Intake Joint Discharge Joint 130:Discharge Flange Intake Flange 013:Cover Plate |
131:Bowl 137:Impeller 041:Back Liner 135:Door Clamp Ring 134: Adapter Plate Clamp Ring 124:Volute Cover Seal |
Materials of Construction
|
VOLUTE |
IMPELLERS |
BASE |
EXPELLER |
EXPELLER RING |
SHAFT SLEEVE |
SEALS |
Standard |
High Chrome Alloy |
High Chrome Alloy |
Cast Iron |
Chrome Alloy |
Chrome Alloy |
SG Iron |
Natural Rubber |
Options |
SG Iron |
SG Iron |
Mild Steel |
SG Iron |
SG Iron |
EN56C |
Nordel |
8 inch Sand Dredge Pump Picture :
Company Profile
Naipu Pump is a professional global manufacturer of industrial pumps with more than 30 years production experience. Mainly produces various types of slurry pumps, sewage pumps, sump pumps, high chromium alloy accessories and various OEM and ODM production.Already passed the quality certification ISO9001, environmental certification ISO14001, and health Certification ISO45001. The company covers an area of more than 60,000 square meters, has 150 skilled workers, 50 professional and technical service personnel, and its products are sold all over the world. The annual output is 8,000 tons of accessories, 8,000 pumps, and annual sales of 20 million US dollars.NHA series | L(R) ,M | HH | SP(R) | G | AF Series |
1.5/1B-NAH(R) | 20A-L | 1.5/1 C-HH | 40PV-SP(R) | 6/4D-G | 2QV-AF |
2/1.5B-NAH(R) | 50B-L(R) | 3/2D-HH | 65QV-SP(R) | 8/6E-G | 3QV-AF |
3/2C-NAH(R) | 75C-L | 4/3E-HH | 100RV-SP(R) | 10/8F-G | 6SV-AF |
4/3C-NAH(R) | 100 D-L | 4/3X-HH | 150SV-SP(R) | 10/8S-G | 8SV-AF |
6/4D-NAH(R) | 150E-L | 6/4F-HH | 200SV-SP | 12/10G-G | 2AHF |
6/4E-NAH(R) | 300S-L | 6/4X-HH | 250TV-SP | 14/12G-G | 3AHF |
8/6E-NAH(R) | 10/8 R-M | 6S-H | 14/12T-G | 4AHF | |
8/6R-NAH(R) | 10/8 E-M | 8/6S-H | 16/14 G-G | 6AHF | |
10/8F-NAH(R) | 12/10F-M | 8/6X-H | 16/14TU-GH | ||
10/8X-NAH(R) | 6S-HP | 16/14H-GH | |||
12/10ST-NAH(R) | 8/6S-HP | 18/16G-G | |||
14/12ST-NAH(R) | 8/6X-HP | 18/16 TU-GH | |||
16/14TU-NAH(R) | |||||
20/18G(TU)-NAH(R) |
Vertical Integration: Full control over production ensures high quality and cost efficiency.
30 Years of Experience: Proven expertise in slurry pump manufacturing.
Global Reach: Trusted by clients in mining, dredging, power plants, and chemical industries worldwide.
Technical Support: Professional after-sales service and technical assistance.