The BD-05T30K36LB is a compact, brushless micro membrane pump designed for stable, oil-free airflow in demanding OEM systems. It delivers up to 30 L/min flow with –85 kPa vacuum and 1.4 bar pressure, offering low noise, long service life, and reliable performance for precision pneumatic applications
| Voltage | 12V / 24V |
|---|---|
| Max Flow | 30L/min |
| Max Vacuum | –85 kPa |
| Max Pressure | 1.4Bar |
| Motor | High-end brushless DC motor |
| Max Power | 40W |
| Weight | 716g |
The BD-05T30K36LB is a compact brushless micro diaphragm pump designed to deliver stable gas flow under continuous operating conditions.
Operating on a diaphragm-driven displacement principle, the diaphragm flexes cyclically to generate negative pressure during the intake phase and positive pressure during discharge. This mechanism enables controlled gas transfer with minimal pulsation, supporting both vacuum generation and low-pressure compression in a single, oil-free structure.
The combination of controlled diaphragm motion and brushless motor drive ensures consistent output, low mechanical stress, and long-term operational stability in precision pneumatic systems.
✓ Oil-free, contamination-free gas path – Ensures clean and stable gas delivery suitable for analytical instruments, medical rehabilitation devices, and high-purity sampling systems.
✓ Corrosion-resistant materials – Features an imported PPS pump head and EPDM diaphragm (FKM/PTFE optional upon OEM request), providing increased media compatibility.
✓ Low leakage, stable flow performance – Optimized sealing structure ensures excellent air tightness and long-term stability in precision equipment.
✓ Low vibration, balanced operation – Advanced dynamic-balancing structure significantly reduces vibration, improving long-term reliability.
✓ High-end brushless motor – 40 W BLDC motor delivers durable, quiet, and energy-efficient performance for continuous industrial use.
✓ Low noise, smooth delivery – Airflow channel and motion structure optimized to ensure stable, low-noise output.
✓ Premium bearings & rubber components – Imported bearings and long-life elastomers ensure premium mechanical stability and extended operating lifespan.
| Parameter | Value |
|---|---|
| Model | BD-05T30K36LB |
| Voltage Range | 12 V / 24 V DC |
| Maximum Flow | 30 L/min |
| Maximum Negative Pressure | –85 kPa |
| Maximum Positive Pressure | 1.4 bar |
| Motor Type | Brushless DC motor |
| Max Power | 40 W |
| IP Rating | IP20 |
| Storage Temperature | –40 ℃ ~ 60 ℃ |
| Operating Temperature | –10 ℃ ~ 45 ℃ |
| Dimensions | 103 × 70 × 84 mm |
| Weight | 716 g |
| Component | Material / Notes |
|---|---|
| Pump Head | PPS – corrosion-resistant, high strength |
| Diaphragm / Valve | EPDM (FKM/PTFE optional for OEM) |
| Pump Body | Aluminum alloy |
📌 Gas Transfer Systems –Consistent flow and vacuum for general gas movement and circulation.
📌 Medical Devices & Rehabilitation Equipment – Oil-free design ideal for devices requiring clean, contamination-free air.
📌 High-End Beauty Equipment – Stable airflow suitable for vacuum-based cosmetic devices.
📌 Gas Detection & Analysis Instruments – Low leakage and chemically compatible materials ensure reliable measurement results.
📌 Automation Machiner – Reliable vacuum/pressure source for integrated electronic systems.
📌 Robotics– Supports pneumatic gripping, motion control, and embedded vacuum systems.
| Aspect | Available Options |
|---|---|
| Diaphragm / Valve Materials | EPDM (standard), FKM, PTFE |
| Voltage Options | 12 V DC / 24 V DC |
| Connector Type | Customized based on customer’s connector samples or specified model |
| Label / Branding | Based on the model provided by the customer |
| Mounting Options | Custom brackets, shock-absorbing dampers, special installation structures |
| Cable / Wire Configuration | Custom cable length, wire gauge, and connector type |
Selecting a diaphragm pump supplier is not only about flow rates and vacuum levels—it’s about choosing a partner who can deliver consistent performance, customization, and long-term value. BODENFLO offers:
Cost-Effective Advantage – A reliable, lower-cost alternative to premium EU, US, and Japanese brands without compromising on performance.
Deep Expertise – Over 15 years dedicated to miniature diaphragm and piston pumps, with 600+ proven models and extensive OEM case studies worldwide.
Certified Quality – ISO9001, CE, and RoHS certified production backed by rigorous QC testing for flow, pressure, noise, and durability.
Tailored OEM Solutions – Diaphragm options in EPDM, PTFE, or FKM; custom cable and connector designs; private labeling; and multi-head configurations.
Engineering Partnership – CAD drawings, 3D models, prototyping, and consultation to reduce integration risks and accelerate your product launch.
Global Recognition – Trusted by OEMs across Europe, the US, Korea, and South America for medical, analytical, and industrial applications.
“Stable airflow and extremely low vibration. Perfect for our gas sampling platform.”
— Senior Engineer, Finland
“The PPS pump head handled our reactive gas media with zero performance degradation.”
— Laboratory Equipment Developer, South Korea
The BD-05T30K36LB is driven by a brushless DC motor and supports both analog and PWM speed control, allowing flexible integration into OEM control systems.
Wire Definition
VCC (Power +) – Red
DC power supply positive (12V / 24V).
For full-speed operation, connect Red and White wires together.
GND (Power −) – Black
Power ground / negative terminal.
SPEED (Control) – White
Speed control input:
• Analog: 0.5–5V DC
• PWM: 0–100% duty cycle, 30 kHz recommended
FG (Feedback) – Yellow
Speed feedback signal:
• 1 pulse per cycle
• 5V TTL compatible
This brushless control architecture enables precise speed regulation, real-time feedback monitoring, and stable operation across varying load conditions, without requiring complex external drive electronics.
[BD-05T30K36LB Micro Membrane Pump Download Datasheet (PDF)]
Q1｜Why are diaphragm pumps preferred for oil-free and contamination-sensitive systems?
Diaphragm pumps isolate the gas path from the drive mechanism using a flexible membrane, eliminating direct contact between moving mechanical parts and the medium. This structure ensures completely oil-free operation, and minimizes particle generation. As a result, diaphragm pumps are especially suitable for systems where gas purity, cleanliness, and downstream component protection are critical, such as analytical instruments, medical devices, and precision pneumatic modules.
Q2｜How does diaphragm structure influence flow stability and pulsation?
Flow stability in a diaphragm pump is determined by diaphragm geometry, stroke control, and valve timing. Properly engineered diaphragm motion produces controlled volumetric displacement per cycle, reducing flow fluctuation compared with less regulated pumping mechanisms. In OEM systems, residual pulsation can be further minimized through chamber volume design, damping tubing, or buffer components, enabling smooth and repeatable airflow for sensitive equipment.
Q3｜What are the key mechanical factors affecting diaphragm pump lifespan?
Diaphragm life is primarily influenced by operating frequency, pressure differential, thermal conditions, and material fatigue. Continuous operation near maximum pressure or vacuum accelerates membrane stress. To extend service life, OEM designs should operate within recommended load margins, ensure adequate heat dissipation, and avoid rapid pressure reversals. Proper electrical control of motor speed also plays a critical role in reducing mechanical fatigue.
Q4｜What integration considerations are important when embedding a diaphragm pump into compact devices?
Successful integration requires attention to airflow resistance, mounting rigidity, and thermal management. Excessive inlet or outlet restriction increases diaphragm load and reduces efficiency. Rigid mounting surfaces help control vibration transmission, while sufficient ventilation prevents heat accumulation. In compact enclosures, diaphragm pumps benefit from thoughtful layout planning to balance airflow paths, noise control, and service accessibility.
Q5｜When should a diaphragm pump be selected instead of a piston or rotary pump?
Diaphragm pumps are the preferred choice when applications demand oil-free operation, chemical isolation, low leakage, and moderate pressure or vacuum levels. While piston pumps excel at very high pressure density, diaphragm pumps offer superior cleanliness, lower maintenance requirements, and better compatibility with sensitive gases or environments. For OEM platforms prioritizing reliability, purity, and long-term stability over extreme pressure, diaphragm pumps provide a balanced and robust solution.
Looking for an OEM partner capable of supporting oil-free micro diaphragm pump platforms with scalable flow, vacuum, and control configurations across multiple product lines?
BODENFLO supports global OEMs with:
Platform-based diaphragm pump solutions (standard & customized)
Rapid prototyping and engineering samples
Complete technical documentation (datasheets, wiring guides, CAD / STP files)
Flexible motor control interfaces and system-level integration support
Cost-efficient manufacturing from pilot projects to mass production
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”.
