Does the pump require maintenance?

No, the pump is designed to be maintenance-free due to its oil-free operation and durable materials.

Diaphragm 12V 24V DC Brush Mini Gas Turbidity Instrument Pump

Name: Diaphragm 12V 24V DC Brush Mini Gas Turbidity Instrument Pump
Brand: Changsha TOPS Industry & Technology Co., Ltd.
SKU: 702480232

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

Negotiable

200 Pieces

Product profile

Customization

Available

Material

Pump Head Nylon,Membrane EPDM / PTFE,Valve EPDM /

Power

Electric

Model NO.

TM30A-A

Function

Electronic Type

Structure

Diaphragm Pump

Transport Package

Standard Export Packing or OEM Packing

Specification

CE, IEC, RoHS

Trademark

TOPSFLO

Origin

China

HS Code

84135020

Production Capacity

100, 000 PCS/Month

Key features

Coreless Brushless Motor Option: Ideal lifetime of 15,000 hours with vibration-free, silent operation.

Customizable Wetted Materials: Optional EPDM or PTFE membranes and EPDM or FPM valves for corrosive media.

Oil-Free Clean Operation: Uncontaminated flow suitable for analytical equipment and medical devices.

Compact and Lightweight Design: High power density with dimensions around 75-79mm for easy integration.

Versatile Motor Choices: Four options: Brush (3k/1.5k hrs), Brushless (10k-15k hrs) for different lifespans.

Multi-Orientation Operation: Can operate effectively in any orientation for flexible installation.

Company profile

Changsha TOPS Industry & Technology Co., Ltd.

Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2001-09-08Nearest Port: shanghai, shenzhenAverage Response Time: ≤9.89hTerms 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 are the available motor types and their lifetimes?

Options include Premium Brush (3,000 hours), Economical Brush (1,500 hours), Brushless (10,000 hours), and Coreless Brushless with controller (15,000 hours).

Q:Can the membrane and valve materials be customized?

Yes. Membranes can be EPDM (normal air) or PTFE (corrosive air). Valves can be EPDM (normal air) or FPM (corrosive air like acid/alkali).

Q:What is the maximum pressure and vacuum capacity?

The pump supports a Max Pressure of 120 kPa and a Max Vacuum of -70 kPa.

Q:What are the typical applications for this pump?

It is ideal for industrial pressure/vacuum, portable analytical instruments, medical equipment, air quality monitors, and gas leak detectors.

Q:What are the operating voltage and current specifications?

Rated voltage is 12V (or 6/12/24V for brushless models). No-load current ranges from 0.15A to 0.4A depending on the motor type.