What is the maximum grain diameter it can handle?

The maximum grain diameter is 10mm (3/8 inch).

What is the lead time for orders?

Peak season lead time is one month; off-season is within 15 workdays.

Qby Chemical Resistant Diaphragm Pump

Name: Qby Chemical Resistant Diaphragm Pump
Brand: Zhejiang Yonjou Technology Co., Ltd.
SKU: 770589135

Zhejiang, ChinaZhejiang Yonjou Technology Co., Ltd.

Negotiable

1 Piece

Product profile

Customization

Available

Certification

ISO9001:2008, CE

Material

Cast Iron/ Stainless Steel/ PTFE/PP

Model NO.

QBY

Power

Pneumatic

Valve Body Type

Diaphragm

Function

Diahpragm

Diaphragm Material

NBR/ PTFE

Performance

Explosion

Place of Origin

Zhejiang, China (Mainland

Brand Name

Yonjou

Model Number

Qby

Theory

Vacuum Pump

Structure

Diaphragm Pump

Usage

Air Pump

Fuel

Electric

Pressure

Low Pressure

Application

Pumping Liquid or Slurry

Transport Package

Foam with Carton Per Air Operated Diaphragm Pump

Specification

CE. ISO9001, SGS

Trademark

Yonjou

Origin

Zhengjiang Wenzhou

HS Code

8413110000

Production Capacity

50, 000set/Year

Key features

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

Explosion Proof Safety: Safe for dangerous environments due to lack of electric motor components.

Wide Material Options: Available in Cast Iron, Stainless Steel, PTFE, PP, and Aluminium.

Self-Priming Capability: Functions as a self-priming pump for easy liquid transfer.

Versatile Applications: Suitable for oil, water, chemicals, and slurry pumping.

ISO9001 & CE Certified: Meets international quality and safety standards.

High Flow Capacity: Flow rate ranges from 0.8 to 30 m3/h depending on model.

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: ≤8.78hTerms 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.