What is the lead time for delivery?

The standard lead time is one week. During off-season, delivery is within 15 workdays.

What payment methods do you accept?

We accept LC, T/T, D/P, and PayPal.

Qby50-60pneumatic Double Air Operated Diaphragm Pump

Name: Qby50-60pneumatic Double Air Operated Diaphragm Pump
Brand: Zhejiang Yonjou Technology Co., Ltd.
SKU: 770753995

Zhejiang, ChinaZhejiang Yonjou Technology Co., Ltd.

Negotiable

1 Piece

Product profile

Customization

Available

Warranty

One Year

Place of Origin

Zhejiang, China (Mainland)

Model NO.

QBY

Brand Name

Youjou

Theory

Diaphragm Pump

Size

3/8", 1", 1.5", 2", 2.5", 3", 4"

Casing Material

SS304, SS316, Cast Iron, Plastic, Aluminum

Diphgram Material

PTFE, NBR, Santoprene

Certificate

CE, ISO

Lead Time

One Week

Type

Air Diaphragm Pump

Transport Package

Plywood Case

Specification

CE ISO9001

Trademark

YONJOU

Origin

China

HS Code

841311000

Production Capacity

6600sets

Key features

Explosion-Proof Safety: No electric motor required; uses compressed air for safe operation in dangerous environments.

Versatile Material Options: Casing available in SS304, SS316, Cast Iron, Plastic, and Aluminum for various chemical resistances.

Multi-Function Transfer: Capable of transferring liquids, unevenly flowed mediums, and acting as self-priming or slurry pump.

Wide Size Range: Available in sizes from 3/8 inch to 4 inch to fit diverse piping and application requirements.

Certified Quality: Products hold CE and ISO certificates ensuring compliance with international standards.

Fast Delivery: Standard lead time is one week, with off-season delivery within 15 workdays.

Flexible Payment Terms: Accepts LC, T/T, D/P, and PayPal for convenient transaction options.

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: ≤9.30hTerms 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.