What materials are used to construct the pump?

The pump is made from cast iron or stainless steel grades 304, 316, and 316L.

What are the typical applications for this pump?

It is suitable for agriculture irrigation, dewatering, municipal engineering, sewage treatment, and water drainage stations.

What is the average lead time for delivery?

The lead time is within 15 workdays during the off-season and one month during the peak season.

Factory Direct Sell 4inch Bare Pump Self Priming Centrifugal Sewage Pumps

Name: Factory Direct Sell 4inch Bare Pump Self Priming Centrifugal Sewage Pumps
Brand: Wenzhou Defu Machinery Co., Ltd.
SKU: 1963069031

Zhejiang, ChinaWenzhou Defu Machinery Co., Ltd.

US$5,000.00

1-4 Pieces

US$4,900.00

5-9 Pieces

US$4,700.00

10+ Pieces

Product profile

Customization

Available

After-sales Service

Remote Guidance

Warranty

12 Months for Pump, 3 Months for Spare Parts

Model NO.

Type

Self-priming Pump With Inner Recirculation

Air Engine Type

Diesel Engine

Theory

Water Ring Type

Transmission

Direct Connection Transmission

Structure

The Slide

Max. Suction Lift

7.6m

Max. Solids

76mm

Impeller Type

Semi-Open Type

Seal Type

Mechanical Seal

Pump Type

Self Priming Centrifugal Sewage Pumps

Driving Type

Diesel Engine or Electric Motor

Certificate

CE, EAC, Ukca,ISO

Pump Accessories

Trailers, Silence-Box, Control Panel, Fuel Tank, E

Transport Package

Plywood Case

Specification

2-12inch

Trademark

DEFU

Origin

China

HS Code

8413709990

Production Capacity

5000units/Year

Key features

Anti-Clogging Design: Handles ultra long fiber impurities and solids over 3 inches with strong disposal capability.

High Suction Lift: Features self-priming function with a max suction lift of 7.6m for river or well water transfer.

Versatile Applications: Suitable for agriculture irrigation, dewatering, municipal engineering, and sewage treatment plants.

Multiple Power Options: Available with diesel engine, gas engine, or electric motor driving types for flexible use.

Comprehensive Warranty: Provides 12 months warranty for the pump and 3 months for spare parts.

Professional Support: Offers remote guidance, design plans, and tracking service to ensure efficient operation.

Wide Size Range: Inlet and outlet diameters available from 2 inch to 12 inch to meet various flow requirements.

Durable Materials: Constructed from cast iron or stainless steel 304/316/316L for longevity and corrosion resistance.

Company profile

Wenzhou Defu Machinery Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-03-23Nearest Port: shanghai,ningboAverage Response Time: ≤2.96hTerms 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.