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CWN Dredge Pump

CWN Dredge Pump
CWN Dredge Pump
CWN Dredge Pump
CWN Dredge Pump
CWN Dredge Pump

The CWN dredging pump is specially designed for river dredging, sand mining and land reclamation, and port desilting operations. Featuring high-chromium wear-resistant alloy wet-end parts, it offers advantages such as large flow rate, deep suction lift, high wear resistance, and high efficiency. It can stably convey high-concentration slurry, sand, gravel, and mineral pulp media, making it an ideal choice for various dredging projects.

Model Flow Rate (m³/h) Head (m) Speed (rpm) Efficiency (%) NPSH (m) Max Passage Particle Size (mm)
200WND 600-800 20-40 700-900 60-65 4.5 178
200WN 750-1000 40-65 700-850 70-72 4 190
250WND 950-1100 20-40 500-700 65-70 4 220
250WN 1100-1300 40-65 500-650 70-74 4 144
300WND 1500-1800 20-40 400-600 65-68 4 241
300WN 1800-2200 40-65 400-550 74-78 4 241
350WN 2600-3000 40-65 400-550 74-78 4.5 245
400WN 2800-3200 20-40 400-550 74-78 4.5 250
450WN 3200-3850 40-67 350-500 76-80 4.5 354
500WND 3600-4200 20-40 220-320 72-75 4.8 330
500WN 4500-5500 40-65 350-450 78-80 4.8 250
600WN 5000-9000 55-80 280-420 81-85 6 220

Wide Range of Applications

With outstanding performance and reliability, our products are widely utilized in core fluid handling operations across diverse industries.

01

Dredging & Hydraulic Engineering Industry

Used for port dredging, river desilting, waterway maintenance, marine engineering, and land reclamation projects.

01  /  06

02

Mining & Mineral Processing Industry

Used in critical working conditions such as slurry transportation, tailings discharge, mineral processing circulation systems, mine waste disposal, and high-concentration slurry conveying.

02  /  06

03

Gravel & Solids Transport Industry

Used for river sand mining, gravel transport, solid-liquid mixture conveying, and transfer of high-solids content media.

03  /  06

04

Power & System Support Industry

Used for pump system power drive, transmission matching, and integration of complete pumping systems.

04  /  06

05

Chemical & Industrial Transport Industry

Used for chemical liquid transport, corrosive media handling, industrial wastewater discharge, and circulation systems.

05  /  06

06

Wear-Resistant Spare Parts & OEM Replacement Systems

Used for pump equipment maintenance, replacement and upgrading, and repair and replacement of international brand equipment.

06  /  06

Rigorous Manufacturing Process

From blueprint to finished product, we uphold a pursuit of excellence at every stage, ensuring every pump serves as a dependable industrial heart.

01

1. Needs Analysis & Solution Design

Provide product selection, material upgrades, and OEM customized solutions based on customer operating parameters, installation environments, and application requirements.

02

2. 3D Modeling & Casting Development

Ensure product structure and equipment compatibility through sample scanning, reverse modeling, and pattern development.

03

3. Precision Machining & Quality Inspection

Employ CNC machining and multiple quality inspections to ensure dimensional accuracy and stable material performance.

04

4. Assembly Testing & Performance Verification

Conduct assembly testing and operational checks on products to ensure sealing integrity, compatibility, and running stability.

Related News
Company FAQs
FAQ
Here, we answer your frequently asked questions about customization, material selection, and purchasing industrial rubber and wear-resistant components.
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Can replacement parts be provided for CWN dredge pumps?
Yes. The company can evaluate replacement parts such as impellers, pump casings, liner plates, and shaft sleeves based on original pump models, part numbers, drawings, dimensions, photos, or old samples. Before official production, critical dimensions, materials, and assembly fit must be confirmed to ensure parts match existing equipment.
What are the common spare parts for CWN dredge pumps?
Common spare parts include impellers, pump casings, liner plates, shaft sleeves, seals, bearing assemblies, and other wearing parts. Specific parts need to be confirmed based on pump model, part number, drawing, or dimensions.
What wear-resistant materials should be selected for CWN dredge pumps?
Material selection mainly depends on sand and gravel content, particle size, particle hardness, media corrosiveness, temperature, and operating time. Metals, high-chromium wear-resistant materials, or other suitable wetted part materials can be evaluated according to operating conditions.
Can CWN dredge pumps be customized?
They can be selected and configured based on customer requirements for flow rate, head, conveyed media, particle size, material specifications, drive mode, inlet/outlet orientation, and installation conditions. For special operating conditions, customization plans for pump casings, impellers, wear-resistant components, and supporting drive systems can be further evaluated.
Are CWN dredge pumps suitable for long-distance transportation?
Whether it is suitable for long-distance transportation requires systematic calculation based on flow rate, head, discharge distance, pipe diameter, pipeline resistance, and elevation difference. If necessary, intermediate booster pumps or other pumping equipment may also be required.
Can CWN dredge pumps handle large particle gravel?
CWN dredge pumps can be selected for media containing sand and solid particles. The actual maximum handleable particle size needs to be confirmed based on the specific model, casing structure, impeller configuration, and operating conditions.
How to select the specifications for a CWN dredge pump?
Selection requires comprehensive consideration of parameters such as flow rate, head, discharge distance, pipeline length, discharge height, suction depth, media concentration, particle size, and operating time.
What media do CWN dredge pumps mainly transport?
CWN dredge pumps can be used to transport mud, mortar, river sediments, gravel, and other slurries containing solid particles. Specific suitability needs to be confirmed based on media concentration, particle size, density, and abrasiveness.
What operating conditions are CWN dredge pumps suitable for?
CWN dredge pumps are mainly used for conveying media containing sand and solid particles in river desilting, port dredging, waterway maintenance, sand mining, sand and gravel transportation, and offshore engineering applications.

Lifecycle Support

Full Lifecycle Support

We provide not only superior equipment but also enduring and dependable operational assurance, safeguarding your projects from initial design to long-term maintenance.

Rapid Response

Rapid Response

Our engineering team provides end-to-end support from installation guidance to operating condition optimization, promptly resolving technical issues via remote video and online communication to ensure precise equipment operation.

Supply Guarantee

Supply Guarantee

A comprehensive spare parts system covers the full range of wear parts, supporting OEM customization fully compatible with leading international brands to ensure long-term, stable supply and minimize maintenance downtime.

Operation & Maintenance

Operation & Maintenance

We provide full life-cycle maintenance solutions covering routine inspections, early wear warnings, and operational optimization suggestions, effectively reducing the risk of unplanned downtime and significantly extending equipment service life.

Continuous Optimization

Continuous Optimization

Continuously optimizing processes based on operational feedback, we offer long-term partners a green service channel with customized support—including technical upgrades and priority response—to build solid, lasting partnerships.

Ready to upgrade your
pumping system?

Global Inquiry Hotline

+86 19933037056

Official Email

info@cnminerals.com

Company Address

Block C, MCC Shengshi Plaza, No. 66 Xiangtai Road, Yuhua District, Shijiazhuang City, Hebei Province

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