Does the pump require priming before operation?

No, it features self-priming capability, similar to diving or slurry pumps.

What certifications does the product have?

The product holds ISO9001:2008 and CE certifications.

Yonjou Diaphragm Pump for Chemical Application

Name: Yonjou Diaphragm Pump for Chemical Application
Brand: Zhejiang Yonjou Technology Co., Ltd.
SKU: 770778865

Zhejiang, ChinaZhejiang Yonjou Technology Co., Ltd.

US$191.00

10 Sets

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

Air Operated

Diaphragm Material

NBR/ PTFE

Performance

No Leak

Place of Origin

China

Theory

Pneumatic

Structure

Diaphragm Pump

Usage

All Kinds of Water/ Oil/ Chemicals

Pressure

High Pressure

Application

Metering/Food/Oil/Medical/Building

Size

1''/2''/3''/4''

Model

Qby25/50/80/100

Material of Pump Body

Cast Iron/Aluminum/PP/PTFE/Ss

Transport Package

Standard Export Plywood Case Packing

Specification

International

Trademark

YonJou

Origin

Wenzhou, China

HS Code

8413110000

Production Capacity

1000 Pieces a Year

Key features

Electric-Free Safety: No electric motor ensures safe operation in dangerous or explosive environments.

Versatile Material Options: Available in Cast Iron, Stainless Steel, PP, and PTFE for chemical compatibility.

Self-Priming Capability: Functions as a self-priming pump, eliminating the need for priming before use.

High Pressure Performance: Max discharge pressure of 6kgf/cm2 and head up to 50m for efficient transfer.

Handles Solid Particles: Can pump liquids with maximum grain diameter of 10mm (3/8 inch).

Wide Flow Range: Flow rate ranges from 0.8 to 30m3/h (3.5-132 US GPM) across models.

Certified Quality: Manufactured with ISO9001:2008 and CE certifications for reliability.

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: ≤9.26hTerms 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.