What is the operating voltage?

The rated voltage is 12V DC, with 24V options available.

What is the maximum pressure the pump can handle?

It can operate against pressures of up to 280 KPa.

What are the dimensions of the pump?

The size is 86mm x 65mm x 40.5mm.

DC Diaphragm Favorites Gas Analyze Vacuum Pump

Name: DC Diaphragm Favorites Gas Analyze Vacuum Pump
Brand: Changsha TOPS Industry & Technology Co., Ltd.
SKU: 709850682

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

US$13.00

10 Pieces

Product profile

Customization

Available

Oil or Not

Oil Free

Structure

Membrane Pump

Model NO.

TM40-B

Exhauster Method

Pressure ,Suction,Vacuum

Vacuum Degree

High Vacuum

Motor

DC Brush,Motor

Materials

Pump Head Nylon, Membrane EPDM / PTFE, Valve EPDM

Life-Time

1200hour

Voltage

12V DC

Pressure

250kpa

Flow Rate

13L/Min

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

Oil-Free Operation: Ensures uncontaminated flow with no oil leakage or media contamination.

High Vacuum Performance: Delivers up to 13 L/min flow rate with -80 KPa vacuum capability.

Compact & Lightweight: Weighs only 280g with dimensions of 86x65x40.5mm for easy integration.

Chemical Resistance: Optional PTFE and FKM materials allow pumping of corrosive gases.

Low Noise Design: Optimized head and flow path reduce noise without compromising performance.

Versatile Mounting: Can be mounted in any position for flexible installation options.

High Reliability: Motor lifetime up to 1200 hours with superior bearing technology.

Dual Mode Operation: Configurable for vacuum, pressure, or alternating vacuum/pressure modes.

Company profile

Changsha TOPS Industry & Technology Co., Ltd.

Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2001-09-08Nearest Port: shanghai, shenzhenAverage Response Time: ≤9.92hTerms 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.