What is the warranty period?

We provide a 1-year warranty for the pump.

What after-sales service is available?

Remote guide support is provided for after-sales service.

Can the engine speed be adjusted?

Yes, the industrial engine allows adjustable speed from 1000 to 2100 rpm.

4inch Diesel Engine Dredge Pump 20kw Self Priming Centrifugal Pump

Name: 4inch Diesel Engine Dredge Pump 20kw Self Priming Centrifugal Pump
Brand: Wenzhou Defu Machinery Co., Ltd.
SKU: 2235690565

Zhejiang, ChinaWenzhou Defu Machinery Co., Ltd.

US$9,985.00

1-4 Pieces

US$9,556.00

5+ Pieces

Product profile

Customization

Available

After-sales Service

Remote Guide

Warranty

1 Year

Model NO.

DD2T-DJ100-250CDSM

Max.Head

10-30m

Max.Capacity

190 M3/H

Driving Type

Motor

Impeller Number

Single-Stage Pump

Working Pressure

Low Pressure Pump

Influent Type of Impeller

Single Suction Pump

Position of Pump Shaft

Horizontal Pump

Pump Casing Combined

End Suction Type

Mounting Height

Since Irrigation Centrifugal Pumps

Impeller

Semi-Open

Usage

Pump

Inlet & Oulet

4inch

Max Flow

190 M3/H

Shut-off Head

36 M

Bhp Rated Flow

120m3/H

Bhp Rated Head

28 M

Engine Model

D4d33

Rated Powr

33 Kw

Rated Speed

2000 Rpm

Speed Range

1000- 2100 Rpm

No. of Cylinder

Transport Package

Plywood Case

Specification

1170 kg, 3.6 CBM

Trademark

DEFU

Origin

Wenzhou

HS Code

841370

Production Capacity

3000PCS/Year

Key features

Rapid Self Priming: Sucks water from 2m depth in 40 seconds without foot valve.

High Solids Handling: Semi-open impeller allows passing solids up to 76.2mm.

Adjustable Speed Engine: Industrial D4D33 engine with adjustable speed from 1000-2100rpm.

Comprehensive Protection: 5-kind protection including over speed, low oil pressure, and over heat alarms.

Large Fuel Capacity: Equipped with 150 liter big fuel tank for extended operation.

Easy Maintenance: Features 2 repair holes for easy opening, draining, and impeller inspection.

Detailed Control Panel: BX50 panel with LCD display for engine data, voltage, and temperature.

Flexible Coupling: Vulastick type highly flexible coupling for durable connection.

Company profile

Wenzhou Defu Machinery Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-03-23Nearest Port: shanghai,ningboAverage Response Time: ≤2.65hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryWenzhou Defu Machinery Co., Ltd. is a China-based limited company in Wenzhou, Zhejiang, described both as a trading company and manufacturer/factory. Its business centers on industrial pumps and related equipment, with production bases in Shanghai, Zhejiang, and Jiangsu and reported manufacturing relationships or acquisitions that may broaden capability. The supplier reports ISO 9001 certification, seven production lines, 6–10 R&D engineers, and 6–10 quality-control staff. It serves multiple international markets, began exporting in 2018, and reports standard delivery terms of within 15 working days in off-peak periods and one month in peak periods. Evidence is insufficient to confirm after-sales service, customization, financial credibility, or a substantial customer track record. One trade record and one named buyer are provided, but this does not establish broad customer-case experience.

Supplier typeThe supplier is legally identified as Wenzhou Defu Machinery Co., Ltd., a limited company in Zhejiang, and is classified as both a trading company and manufacturer/factory. Its stated pump R&D, manufacturing, sales activities, production bases, acquisitions, and OEM relationship support a combined manufacturer-trader profile rather than a pure trading intermediary.

CertificationsThe supplier reports holding ISO 9001 certification for its management systems. No certification number, issuing body, validity period, or additional product certifications are provided, but the stated ISO 9001 holding is explicit evidence of certification.

R&D capabilityThe company states that it is dedicated to pump research and development, reports 6–10 R&D engineers, and has expanded through acquisitions and production bases in multiple provinces. These facts indicate some organized R&D and capability-development activity, although no patents, new-product records, testing facilities, or specific innovations are provided.

Production capacityProduction capability is supported by the manufacturer/factory classification, seven reported production lines, production bases in Shanghai, Zhejiang, and Jiangsu, a broad pump portfolio, and stated order fulfillment within 15 working days off-season and one month during peak season. The stated acquisition and OEM activities further support manufacturing involvement.