How low is the noise level?

The pump operates at a super low noise level of less than 50dB, making it suitable for indoor replacement and quiet environments.

What are the main applications for this pump?

It is widely used in industrial liquid/vacuum applications, portable analytical instruments, medical diagnostic equipment, printer ink machines, fireplaces, and respiration monitors.

What is the lead time for orders?

The average lead time is one month for both peak season and off-season periods.

Silen 12/24V DC Medical Pump for Analysis Instrument Pump

Name: Silen 12/24V DC Medical Pump for Analysis Instrument Pump
Brand: Changsha TOPS Industry & Technology Co., Ltd.
SKU: 683025502

Hunan, ChinaChangsha TOPS Industry & Technology Co., Ltd.

US$90.00

10 Pieces

Product profile

Customization

Available

Oil or Not

Oil Free

Structure

Diaphragm Vacuum Pump, Suction

Model NO.

TF30B-D

Vacuum Degree

Vacuum

Work Function

Pre-Suction Pump

Motor

DC Brush, Brushless, Coreless Brushless

Voltage

6V, 12V, 24V

Lifetime

15000hour, 10000hour, 5000hour 3000hour

Flow Rate

0.35L

Pressure

>10m

Transport Package

Standard Export Packing or OEM Packing

Specification

CE, IEC, RoHS

Trademark

TOPSFLO

Origin

China

HS Code

84137090

Production Capacity

100, 000 PCS/Month

Key features

Super Low Noise Design: Operates at less than 50dB, ideal for indoor replacement and medical environments.

Long Motor Lifetime: Coreless brushless motors offer up to 15,000 hours of durable, vibration-free operation.

Stable Micro Flow Rate: Provides precise flow control ranging from 20 to 350ml/min for smooth performance.

Durable EPDM Materials: High-quality EPDM membrane and valves withstand >95% bio-ethanol and ensure abrasion resistance.

Compact & Lightweight: Tiny size (80*31*60mm) and light weight (220g) allow easy integration into devices.

Dual Bearing Technology: Enhanced design increases pump lifespan by 200% and reduces noise by 30%.

Multi-Voltage Options: Available in 6V, 12V, and 24V DC configurations to suit various power requirements.

Certified Quality: Passed CE, ROHS, REACH, WRAS, and Food Grade certifications for global compliance.

Company profile

Changsha TOPS Industry & Technology Co., Ltd.

Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2001-09-08Nearest Port: shanghai, shenzhenAverage Response Time: ≤8.43hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryChangsha TOPS Industry & Technology Co., Ltd. is identified as a China-based manufacturer/factory and limited company specializing in micro pumps and related fluid-technology products. It reports ISO 9001 and TS 16949 management-system certifications, 50 quality-control staff, 10 production lines, annual capacity of about 3 million pieces, and four laboratories meeting CNAS national laboratory certification standards. The supplier has substantial export orientation, with 90% of sales reportedly from exports, self-operated import/export rights, and markets spanning multiple global regions. Evidence supports production scale, international fulfillment capability, and innovation infrastructure. However, the provided information does not establish after-sales service arrangements, financial credibility, customization capability, or a broad set of verified customer cases. Two trade records associate the company with CONTROL PRINT LIMITED for printer-part water pumps, but these records alone provide limited...

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and a limited company based in Changsha, Hunan, China. Its product keywords and commercial activities are centered on pumps, manufacturing, industrial equipment, electronics, automotive components, and related sectors, indicating a manufacturing-oriented supplier rather than only a trading intermediary.

CertificationsThe supplier reports TS 16949 and ISO 9001 management-system certifications. It also states that four laboratories meet the CNAS national laboratory certification standard, providing explicit evidence of formal quality-management and laboratory infrastructure.

R&D capabilityThe supplier explicitly presents technology innovation as a key advantage, reports 21–30 years of total R&D engineer experience, and states that it operates four precise laboratories meeting CNAS national laboratory certification standards. These details support a substantive technical and product-development capability.

Production capacityThe supplier reports 50 quality-control staff, 10 production lines, and annual production capacity of about 3 million pieces. It also describes a large factory with an ESD anti-static digital workshop, while the reported one-month off-peak and peak fulfillment times indicate stated order-processing capacity.

Client casesTwo trade records identify CONTROL PRINT LIMITED as a buyer associated with the supplier for water pumps used as printer parts, with records dated October and November 2025. These entries provide evidence of at least one associated buyer and relevant product transactions, but do not establish a broad or independently verified customer portfolio.

Product Q&A

Q:What is the maximum flow rate of this pump?

The pump offers a small and stable flow rate ranging from 20 to 350ml/min, ensuring precise control for analytical instruments.

Q:How long is the motor lifetime?

The coreless brushless motor has an ideal lifetime of 15,000 hours. Other options include 10,000 hours for brushless motors and 3,000 hours for high-performance brush pumps.

Q:Is the pump suitable for pumping bio-ethanol?

Yes, the pump is made with high-quality EPDM membrane and valves, allowing it to pump >95% bio-ethanol effectively.

Q:What certifications does the product have?

The product has passed CE, ROHS, REACH, WRAS, and Food Grade certifications, ensuring safety and compliance for medical and industrial use.

Q:What are the available voltage options?

The pump is available in 6V, 12V, and 24V DC configurations, with different motor types (brush, brushless, coreless) supporting these voltages.