Can the pump be used with a diesel engine?

Yes, the pump can be directly matched with either an electric motor or a diesel engine.

Naipu 4 Inch Sand Dredging Pump (100WS)

Name: Naipu 4 Inch Sand Dredging Pump (100WS)
Brand: Shijiazhuang Naipu Pump Co., Ltd.
SKU: 751378845

Hebei, ChinaShijiazhuang Naipu Pump Co., Ltd.

US$3,550.00

1 set

Product profile

Customization

Available

Max.Head

30-50m

Max.Capacity

>400 L/min

Model NO.

100WS

Driving Type

Motor

Material

High Chrome Alloy

Structure

Single-stage Pump

Assembly

Liquid Pumps

Power

Electric

Start Up

Electric Pump

Type

Dredger

Application

Sewage Pump, Slurry Pump, River Sand Gravel Dredging

Industry

Sand Gravel Processing, Sand Reclamation, Dredging

Media

Mud Pump

Performance

Wear Pump

Theory

Centrifugal Pump

Size

4 Inch

Flow

180-250 M3/H

Head

25-45 M

Impeller

Closed

OEM

Accetablpe

Certificate

CE, SGS, ISO9001

Transport Package

Standard Export Wooden Cases

Specification

CE, SGS, ISO9001

Trademark

Naipu

Origin

China

HS Code

8413909990

Production Capacity

500 Sets/ Month

Key features

High Wear Resistance: Casting alloy iron with hardness not less than 58HRC for impeller and liners.

Versatile Power Options: Can be directly matched with either electric motor or diesel engine.

High Efficiency Design: Features little hydraulic loss, high efficiency, and low oil consumption.

Robust Sealing System: Reliable mechanical or stuffing sealing ensures no leakage during operation.

Lightweight Construction: Designed with light weight and small volume for easy handling and transport.

Stable Operation: Operates steadily with little vibration and low noise levels.

Easy Maintenance: Simple and reliable construction allows for easy disassembly and assembly.

High Capacity Performance: Max capacity exceeds 400 L/min with head up to 50m for heavy dredging.

Company profile

Shijiazhuang Naipu Pump Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2007-03-01Nearest Port: tianjinAverage Response Time: ≤5.16hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAP, CIP, FCA, EXW

AI-Powered supplier vetting

SummaryShijiazhuang Naipu Pump Co., Ltd. is identified as a China-based manufacturer/factory specializing in slurry pumps, dredging pumps, sand pumps, pump parts, and cast parts. Evidence indicates established export activity since 2007, self-operated import/export rights, broad international markets, multiple production categories, four production lines, and a stated off-peak lead time within 15 working days. The supplier reports ISO 9000, ISO 9001, and ISO 14001 certifications, as well as OEM customization based on drawings or samples. Its technical organization covers design, R&D, production, sales, and service, with 6–10 R&D engineers and 6–10 quality-control staff reported. However, the provided information does not substantiate after-sales performance, financial credibility, or named customer cases. The records also show a trade-company classification in one slice, while other slices explicitly identify the entity as a manufacturer/factory; this classification discrepancy warrants verification.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and is described as a professional manufacturing enterprise producing slurry pumps, dredging pumps, gravel/sand pumps, and spare parts. However, one record classifies the company nature as a trade company, creating a data inconsistency that should be verified.

CertificationsThe supplier reports ISO 9000, ISO 9001, and ISO 14001 management-system certifications. These stated certifications provide explicit evidence of formal quality and environmental management systems, although certificate validity and scope are not provided.

R&D capabilityThe supplier reports advanced manufacturing techniques, dedicated design and R&D capabilities, 6–10 R&D engineers, and technical expertise spanning hydraulic machinery, casting, heat treatment, engineering, materials science, and machining. This supports a positive assessment of technical development capability, although no patents, new-product records, or quantified R&D achievements are provided.

Production capacityThe supplier reports four production lines and output across sand gravel pumps, slurry pumps, pump parts, cast parts, and dredging pumps. It also states that products undergo testing and inspection, indicating established manufacturing and quality-control operations; the stated capacities are self-reported and not independently verified.

Customization capabilityThe supplier explicitly states that it undertakes OEM orders for pumps and spare parts customized according to drawings or samples. Its product scope includes pumps, spare parts, and cast parts, directly supporting customization capability for these product categories.

Product Q&A

Q:What is the WS(G) series sand dredging pump?

It is a new type of single-stage single-suction cantilever horizontal centrifugal sludge pump designed for river and sea dredging and damming.

Q:What materials are used for the pump parts?

Standard materials include High Chrome Alloy for volute, impellers, and expeller, and Cast Iron for the base. Options include SG Iron, Mild Steel, and various rubber types.

Q:What are the main advantages of the WS(G) pump?

Advantages include strong wear resistance, high dredging performance, light weight, high throughput, low hydraulic loss, and long operating life.

Q:How does the pump handle different soil qualities?

The pump is widely applicable and can be used in various kinds of soil quality, persistently discharging gravel and high plastic soil lumps.

Q:What sealing types are available for the pump?

The pump uses mechanical sealing, stuffing sealing, or a mechanical stuffing compound sealing depending on the model and application.