The BD-05T033B is a compact, brushless mini diaphragm pump engineered for reliable gas sampling and detection. It generates stable, oil-free airflow or vacuum using a flexible diaphragm driven by a high-efficiency DC motor — ideal for integration in portable analyzers and automated instruments.
| Voltage | 12V/24V |
|---|---|
| Max Flow | 2-3L/min |
| Max Vacuum | –55 kPa |
| Max Pressure | +90 kPa |
| Motor | DC brushless motor |
| Max Power | 1.6 W |
| Weight | 56g |
Miniature diaphragm pumps use a DC brushless motor to drive a flexible EPDM diaphragm, generating clean, oil-free airflow or vacuum suitable for gas sampling and detection in compact systems.
The BODENFLO BD-05T033B is a high-performance, ultra-compact mini diaphragm pump engineered for stable gas flow with relatively low power consumption. It supports dual voltage input (12V/24V), making it versatile for various industrial and laboratory applications.
With dimensions of only 35.5 × 24.5 × 41 mm and a lightweight design at 56 g, the BD-05T033B delivers a maximum flow of 2–3 L/min, maximum negative pressure of -55 kPa, and maximum positive pressure of 90 kPa — ideal for precise, reliable gas sampling and detection.
✓ Optimized pump body delivering large flow with small volume and low power consumption
✓ Brushless DC motor with long lifetime of 8,000 hours for reliable continuous operation
✓ Stable and pollution-free gas flow with low leakage rate
✓ Dual voltage input: 12V or 24V for flexible integration
✓ Chemical-resistant EPDM diaphragm and PPS pump head for durability
✓ Lightweight and compact size, perfect for handheld and automated gas detection devices
✓ Operating temperature range suitable for laboratory and field environments
| Parameter | Value |
|---|---|
| Model | BD-05T033B |
| Voltage Range | 12 V / 24 V DC |
| Maximum Flow Rate | 2–3 L/min |
| Maximum Negative Pressure | -55 kPa |
| Maximum Positive Pressure | 90 kPa |
| Motor Type | Brushless DC Motor |
| Maximum Power | 1.6 W |
| Waterproof Level | IP00 / IP40 |
| Storage Temperature | -40 ℃ to 60 ℃ |
| Operating Temperature | -10 ℃ to 45 ℃ |
| Pump Head Material | PPS (engineering thermoplastic) |
| Diaphragm / Valve | EPDM |
| Pump Body Material | Nylon |
| Dimensions (L×W×H) | 35.5 × 24.5 × 41 mm |
| Weight | 56 g |
| Lifetime (Brushless Motor) | 8,000 hours continuous duty |
| Component | Material / Performance |
| Pump Head | PPS – durable and chemical resistant |
| Diaphragm / Valve | EPDM – chemical resistant, low leakage |
| Pump Body | Nylon – lightweight, strong, and durable |
| Lifetime | 8,000 hours continuous duty with brushless motor |
📌 Portable Medical Devices – Supplies clean, stable airflow or vacuum for compact respiratory monitors, breath analyzers, wound therapy systems, and other battery-powered medical equipment.
📌 Portable Gas Analyzers & Detection – Provides a reliable, oil-free sampling source for VOCs, hazardous gases, and environmental monitoring in the field.
📌 Laboratory & Industrial Systems – Delivers precise gas transfer for analytical instruments, automation equipment, air quality monitoring stations, and leak detection systems.
| Customization Aspect | Available Options / Notes |
| Diaphragm Materials | EPDM standard; FKM optional |
| Electrical Cable/Connector | Custom cable lengths and connectors available |
| Label / Branding | OEM custom product labeling |
| Voltage & Motor Config | Standard 12V/24V brushless motor |
| Integration Support | Engineering guidance for device integration |
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.
“The BD-05T033B’s brushless motor and high flow rate perfectly matched our portable gas detection system needs. Its stable output and long life have greatly enhanced our product reliability.”
– Procurement Manager, USA
“With the 12V/24V dual voltage option, we easily adapted the BD-05T033B into various handheld and bench-top analyzers, improving operational flexibility.”
– Engineering Lead, Finland
For quick integration, the BD-05T033B is available in 12V and 24V brushless versions with simple 5-wire connections:
24V Version
Black wire: 24V negative pole
Red wire: 24V positive (voltage range: 15V–26.4V)
Yellow wire: FG RPM feedback
White wire: PWM speed control wire
Green wire: Direction control (leave dangling if unused)
12V Version
Red wire: 12V positive (voltage range: 10.8V–13.2V)
Green wire: FG RPM feedback
Yellow wire: Positive/negative direction control (leave suspended if unused)
Black wire: 12V negative pole
Blue wire: PWM speed control wire
[BD-05T033B Wire Connection Guide |Download (PDF)]
[BD-05T033B Datasheet Download (PDF)]
1.How can I purchase, and how do you ship the products?
You can contact us via info@bodenpump.com contact us get more detail, or our official website store:https://bodenpumpstore.com/products/12v-diaphragm-air-pump-bd-05t033b-bodenflo to place an order. Samples are usually shipped by DHL or FedEx express, while bulk orders are typically sent by sea, railway, or air freight.
2.Is the BD-05T033B suitable for continuous operation?
The brushless DC motor provides a long service life of approximately 8,000 hours under continuous operation.
3.How does BODENFLO ensure quality and reliability?
Every pump undergoes strict QC testing, including performance verification, noise measurement, and endurance testing, ensuring compliance with CE and RoHS standards.
4.What after-sales support is available?
We provide technical consultation, installation guidance, and long-term spare parts supply to ensure smooth integration and reliable performance over the product’s lifetime.
Looking for a high-quality miniature diaphragm pump for your compact gas sampling or medical 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”.
