The BD-05T043L is a high-vacuum 5V mini diaphragm pump that delivers up to 3 L/min airflow and –88 kPa vacuum. Powered by a coreless DC motor and optimized for gas sampling, it provides clean, oil-free performance in compact analyzers and portable instruments.
| Voltage | 5V |
|---|---|
| Max Flow | 3L/min |
| Max Vacuum | –88 kPa |
| Motor | Coreless motor |
| Max Power | 5 W |
| Weight | 99g |
Miniature diaphragm pumps work by driving a flexible membrane using an eccentric wheel connected to a DC motor. This mechanism creates an alternating chamber volume, generating clean, oil-free airflow or vacuum without contamination.
The BODENFLO BD-05T043L is a compact 5V micro diaphragm pump engineered for high-demand gas sampling applications. It combines a coreless DC motor with an optimized diaphragm structure to deliver a maximum flow of 3 L/min and vacuum levels up to -88 kPa.
With its nylon construction, dynamically balanced design, and noise-reducing pump head, the BD-05T043L is ideal for compact instruments like VOC analyzers, gas detectors, and laboratory equipment where quiet operation and stable performance are critical.
✓ High vacuum up to –88 kPa for efficient gas sampling
✓ 3 L/min float-type airflow for strong throughput
✓ Optimized pump head design reduces operational noise
✓ Dynamically balanced structure ensures low vibration
✓ Compact and robust nylon body (only 99 g)
✓ Long-life coreless motor (rated >4,000 hours)
✓ Professional sealing structure to ensure low leakage
✓ Oil-free and contamination-free air path
| Parameter | Value |
|---|---|
| Model | BD-05T043L |
| Voltage Range | 5 V DC |
| Max Flow (float meter) | 3 L/min |
| Max Vacuum | –88 kPa |
| Motor Type | Coreless DC Motor |
| Max Power | 5 W |
| IP Rating | IP00 |
| Service Life | >5,000 hours |
| Operating Temp. | 0 °C to 45 °C |
| Storage Temp. | –40 °C to 60 °C |
| Pump Head Material | Nylon |
| Diaphragm/Valve Material | EPDM |
| Pump Body Material | Nylon |
| Dimensions | 55 × 22 × 58 mm |
| Weight | 99 g |
| Component | Material / Performance |
|---|---|
| Pump Head | Nylon – lightweight, durable |
| Diaphragm/Valve | EPDM – chemical-resistant, durable |
| Pump Body | Nylon – lightweight, durable |
| Service Life | >5,000 hours (coreless motor) |
📌 Health & Beauty Devices – Quiet operation for personal care and aesthetic equipment
📌 CEMS & VOC Analysis – Stable vacuum source for continuous online environmental monitoring
📌 Petrochemical Detection – Integrated in portable gas detectors for leak and emissions monitoring
📌 Gas Sampling Instruments – Ideal for handheld and desktop samplers
📌 Industrial Automation – Used in automated control systems for pressure/vacuum actuation
📌 Laboratory Equipment – Reliable airflow for experimental gas handling setups
| Customization Aspect | Options / Notes |
|---|---|
| Wire & Connector | Custom wire length and connector types |
| Label / Branding | Custom branding for OEM projects |
| Integration Support | Engineering advice for seamless design fit |
When selecting a mini diaphragm pump supplier, reliability, experience, and engineering support are just as important as product performance.
BODENFLO has been a trusted OEM partner for over 15 years, focusing on high‑precision miniature pump solutions:
✓ Proven Expertise – Over 15 years specializing in miniature diaphragm pumps, micro vacuum pumps, micro air pumps, mini compressors, micro piston pumps, as well as related valves, connectors, and brackets for compact systems.
✓ Certified Quality – ISO9001-certified manufacturing with strict QC processes and full traceability for medical, analytical, and industrial applications.
✓ Custom Solutions – Wide customization capabilities, including diaphragm materials (EPDM, FKM, FFKM, PTFE), cable and connector options, dual-head and even four-head pump configurations.
✓ Fast Prototyping – Rapid sample delivery and engineering support to shorten your product development cycle.
✓ Global OEM Experience – Trusted by OEMs worldwide in gas analysis, medical devices, portable instruments, automation, and smart environmental equipment.
"We used the BD-05T043L in our portable VOC analyzer. Its strong vacuum and low noise impressed our clients."
– R&D Engineer, Finland
"Excellent balance between power and quiet operation. It integrated smoothly into our new gas detection system."
– Product Manager, USA
For quick integration, the BD-05T043L is designed with simple 2-wire connection:
Red wire: Connect to DC power positive (+)
Black wire: Connect to DC power negative (–)
This straightforward wiring makes it easy to integrate the pump into compact instruments without complex setup.
1. How long is the typical service life of the BD-05T043L?
The pump is designed for continuous operation with a long service life, supported by high-quality materials and strict factory testing. In many OEM instruments, it operates reliably for several years without maintenance.
2. What makes this pump suitable for portable devices?
Its compact structure, lightweight body, and low power consumption make it easy to integrate into handheld or battery-powered analyzers and detectors.
3. Can BODENFLO provide product certification for international markets?
Absolutely. The pump can be supplied with CE, RoHS, and other compliance documents as required by different regions, ensuring smooth entry into global markets.
4. Does BODENFLO provide after-sales technical support?
Yes. Our engineering team offers full technical guidance, including installation advice, performance tuning, and long-term service support for OEM projects.
5. How does BODENFLO support OEM clients during product development?
We work closely with OEM clients from prototype evaluation to mass production. Services include parameter adjustment, custom motor integration, and structural modification to ensure the pump fits seamlessly into the customer’s end product.
Looking for a high-quality miniature diaphragm pump for your compact gas sampling or analytical device?
Contact BODENFLO for samples, datasheets, or integration support.
Email: info@bodenpump.com
Website: https://bodenpump.com/
We will contact you within 8 hours, please pay attention to the email with the suffix “@bodenpump.com”.
