How long is the lead time for this product?

Lead time is within 15 workdays during off-peak season and one month during peak season.

Is the pump suitable for chemical applications?

Yes, it is designed as a chemical resistant diaphragm pump suitable for oil, water, and chemical transport.

Engineering Plastics Air Operated Double Diaphragm Pump

Name: Engineering Plastics Air Operated Double Diaphragm Pump
Brand: Zhejiang Yonjou Technology Co., Ltd.
SKU: 754416135

Zhejiang, ChinaZhejiang Yonjou Technology Co., Ltd.

Negotiable

1 Set

Product profile

Customization

Available

Certification

ISO9001:2008, CE

Material

Plastic, Cast Iron, Stainless Steel, Aluminum

Model NO.

QBY

Power

Pneumatic

Diaphragm Material

NBR/ PTFE

Performance

No Leak

Certificate

ISO9001:2008

Transport Package

Standard Export Plywood Case Packing

Specification

International

Trademark

YonJou

Origin

China

HS Code

8413110000

Production Capacity

8000 Sets/Year

Key features

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

Chemical Resistant Design: Suitable for transporting liquids, chemicals, and difficult-to-flow media safely.

Self-Priming Capability: Features self-priming function similar to diving, shield, and slurry pumps.

Wide Flow Rate Range: Delivers flow rates from 0.8 to 30 m3/h (3.5-132 US GPM) depending on model.

ISO9001 Certified: Manufacturing process certified under ISO9001:2008 standards for quality assurance.

Multiple Material Options: Available in Stainless Steel, Cast Iron, Plastic, and Aluminum for various needs.

No Leak Performance: Engineered with double diaphragms to ensure zero leakage during operation.

Company profile

Importers and ExportersYears of Export ExperienceExperienced TeamHigh Repeat Buyers Choice

Zhejiang Yonjou Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2001-02-01Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤7.72hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP, CIP

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier serving machinery and specialized equipment sectors, including pumps, motors, marine engineering, oil refining and chemical equipment, and food equipment. It provides sample-based, fully customized, and flexible customization services, plus ODM and OEM services, but does not provide 3D software design or SDK support and reported no new products in the past year. Production information lists five pump product capacities totaling 90,000 pieces annually, eight production lines, and CNC facility involvement. Quality procedures, corrective actions, complaint handling, and quality assurance are documented, although the quality-control staff count is below five. The supplier has substantial export activity, has attended the Canton Fair, and operates ERP-based digital management, but has no overseas agents, branches, warehouses, or showrooms. Certification, after-sales service, financial credibility, and customer-specific cases are not sufficiently...

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and operates across machinery, marine engineering, oil refining and chemical equipment, food equipment, motors, generators, and related industrial products. This supports classification as a specialized industrial equipment manufacturer rather than a general trading company.

R&D capabilityThe supplier supports ODM and customization and uses an ERP system for production, procurement, quality control, and logistics management. However, it does not provide 3D software design or SDK support and reported no new products during the past year, indicating limited evidence of recent product innovation.

Production capacityThe supplier reports eight production lines, CNC facility involvement, documented finished-product inspection instructions, and annual capacities of 15,000 KCB gear pumps, 20,000 LQRY hot oil pumps, 15,000 LQ3G three-screw pumps, 30,000 QBY diaphragm pumps, and 10,000 LQ3A lobe pumps. However, it lacks an effective contract with related subcontractors and has no inventory capability, so production capacity is evidenced but manufacturing-resource controls have limitations.

Customization capabilityThe supplier explicitly provides customization from samples, full customization, and flexible customization, and also offers ODM and OEM services for popular brands. These statements directly demonstrate broad customization and design-manufacturing support.