What certifications does the product have?

The product is certified under ISO9001:2008 and holds CE certification.

What is the maximum pressure the pump can handle?

The maximum pressure capacity is up to 8.4 Bar for high-performance models.

What are the available inlet and outlet sizes?

Inlet and outlet sizes range from 1/4 inch to 3 inches depending on the specific model.

Industrial High Quality High Flow Plastic Air Diaphragm Pump

Name: Industrial High Quality High Flow Plastic Air Diaphragm Pump
Brand: Wenzhou Defu Machinery Co., Ltd.
SKU: 2113010992

Zhejiang, ChinaWenzhou Defu Machinery Co., Ltd.

US$450.00

1 Set

Product profile

Customization

Available

After-sales Service

Remote Guidance

Warranty

1 Year

Model NO.

AOK

Certification

ISO9001:2008, CE

Rated Current

Non

Voltage

Non

Material

Plastic

Power

Pneumatic

Valve Body Type

Diaphragm

Function

Intelligent Type

Diaphragm Material

PTFE or Santoprene

Performance

No Leak

Fluid Chamber

PP, Aluminum ,PVDF, SS304 or SS316

Diaphragm

PTFE, Santoprene

Size

1/2 to 3 Inch

Max Flow Rate

1060 Lpm

Max Pressure

8.4 Bar

Advantage

High Quality

Advantage1

High Capacity

Transport Package

Plywood Case or Carton

Specification

1" pump 10kg

Trademark

DEFU

Origin

China

HS Code

8413910000

Production Capacity

10000PCS/Year

Key features

Pneumatic Power Source: Operates using compressed air, smoke, or exhaust gas without electric motors for safety.

Chemical Resistant Design: Features PTFE or Santoprene diaphragms suitable for food, chemical, and slurry transfer.

High Flow Capacity: Maximum flow rate reaches up to 1060 L/min for efficient liquid transportation.

Customizable Fluid Chamber: Fluid chamber available in PP, Aluminum, PVDF, SS304, or SS316 based on requirements.

No Leak Performance: Engineered with double diaphragm structure ensuring zero leakage during operation.

Self-Priming Capability: Capable of transferring liquids and unevenly flowed mediums without priming assistance.

1-Year Warranty Coverage: Includes remote guidance after-sales service for one year from purchase date.

ISO and CE Certified: Product meets ISO9001:2008 and CE safety standards for international compliance.

Company profile

Wenzhou Defu Machinery Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-03-23Nearest Port: shanghai,ningboAverage Response Time: ≤2.44hTerms 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.