Product Overview
Compact DC Diaphragm Pump BD-03A/V is designed for small OEM equipment that needs stable airflow, practical pressure output, or reliable suction performance in limited space. Instead of using a larger pump structure, engineers can use this series to balance compact installation with useful pneumatic performance.
This series includes two functional versions:
· BD-03A → pressure type mini DC air pump
· BD-03V → vacuum type mini DC vacuum pump
BD-03A handles positive pressure and air transfer, while BD-03V provides suction and vacuum. This allows OEMs to offer both pressure and vacuum versions using one compact pump family.
Core Selling Points of This Compact DC Diaphragm Pump
1. Compact Platform for Pressure and Vacuum
2. Practical Flow Output for Small Devices
3. Pressure Version for Air Pump Applications
4. Vacuum Version for Suction Applications
5. Flexible Voltage Options for System Matching
6. Compact Structure for Embedded Installation
What Are the Key Specifications of This Compact DC Diaphragm Pump?
| Product Model | BD-03A | BD-03V |
| Pump Type | micro diaphragm pump | |
| Voltage | 6V / 12V / 24V | |
| Max Flow | 3–6 L/min | |
| Max Pressure | 2–3 bar | / |
| Max Vacuum | / | -60 to -70 kPa |
| Power | 7–12 W | |
| Noise | 50–65 dB | |
| Motor Type | Brushed motor | |
| Life Expectancy | 1000 hours | |
| Weight | Approx. 140 g | |
| Dimensions | Approx. 30 × 49 × 76 mm | |
| Media | Air / clean gas | |
| Wetted Materials | EPDM / FKM | |
| Working Mode | Intermittent / continuous depending on load point | |
How Does This Compact DC Diaphragm Pump Perform Under Real Load?
BD-03A pressure and BD-03V vacuum performance can drop due to system resistance, valves, seals, or filters. Always validate the pump within the actual device, not just on a test bench.
BD-03A/V Flow vs Pressure vs Vacuum
What Are the Dimensions and Installation Details?
Compared with very small micro pumps, this series provides stronger practical output. However, compared with larger high-flow pump platforms, it still keeps a compact body size. As a result, BD-03A/V works well as a middle-range compact pump option for small pressure or vacuum systems.
BD-03A/V Dimensional Drawing
Which Media and Materials Is This Mini Brushed Diaphragm Pump Compatible With?
For general clean air or mild humid air, standard EPDM is usually a cost-effective option. However, when better chemical resistance or higher durability is required, FKM can be considered. In addition, final compatibility should always be checked according to the real medium and working conditions.
Standard EPDM
| Media Type | Notes |
| Clean air | Standard application |
| Inert gas | Final compatibility should be confirmed by project |
| Mild moisture air | Cost-effective and suitable for general humid air conditions |
Enhanced FKM
| Media Type | Notes |
| Inert gas | Recommended when better chemical resistance is needed |
| Corrosive gas | Better chemical resistance and higher temperature resistance |
What Applications Is This Compact DC Diaphragm Pump Suitable For?
BD-03A/V suits compact devices needing pressure or vacuum. BD-03A handles airflow and pressure, while BD-03V provides suction and vacuum. Ideal for beauty devices, portable instruments, vacuum sampling, and small automation systems.
1. Beauty and Personal Care Devices
Beauty and personal care devices require stable suction or gentle airflow in compact spaces, balancing noise, output, and installation. Choose BD-03V (5 L/min, -70 kPa) for vacuum functions or BD-03A (3–5 L/min, 2–2.5 bar) for pressure and airflow support.
2. Portable Medical and Laboratory Devices
Portable instruments need compact pumps for air transfer, vacuum, or pneumatic support, with stable output and voltage matching. Choose BD-03A (3–6 L/min, 2–3 bar) for pressure and BD-03V (3–5 L/min, -60 to -70 kPa) for vacuum based on system requirements.
3. Vacuum Sampling Devices
Sampling equipment requires a compact vacuum source with stable suction. Select BD-03V (3–5 L/min, -60 to -70 kPa) based on actual system resistance and final sampling path.
4. Small Automation and Pressure / Vacuum Modules
Small automation equipment requires pressure, vacuum, or air transfer in limited space. Choose BD-03A (6 L/min, 3 bar) for pressure and BD-03V (6 L/min, -70 kPa) for vacuum, based on actual load.
How Do I Choose the Right Version of This Custom DC Pump?
1. For lower noise requirements, consider a customized silencer.
2. For cleaner gas-path protection, add an air filter.
3. For adjustable output, use PWM control.
4. For easier system matching, confirm the correct voltage first.
5. For continuous operation, verify temperature rise under real load.
Real Product Cases Using This Compact DC Diaphragm Pump
Case 1: Portable Pressure Therapy Device
Portable pressure therapy devices need compact pumps that deliver stable airflow and moderate pressure within limited housings. BD-03A provides reliable pressure output, balanced flow, voltage compatibility, and easy integration, making it ideal for portable equipment requiring stable pneumatic support and efficient OEM installation.
Case 2: Vacuum Beauty Device
Portable pressure therapy devices require compact pumps that deliver stable airflow and moderate pressure while fitting into limited housings. BD-03A offers reliable pressure output, balanced flow, voltage compatibility, and easy integration, making it ideal for portable equipment needing stable pneumatic support and efficient OEM installation.
BD-03 Brushed Series Files and Technical Documents
Why Work With DC-PUMP as Your OEM Pump Supplier?
Professional Micro Pump Manufacturer–DC-PUMP focuses on miniature air pumps, vacuum pumps, diaphragm pumps, and piston pumps for industrial, medical, laboratory, and portable equipment. Therefore, we can support both standard models and project-based selection.
Stable Quality Control–Each pump can be checked for flow, pressure, vacuum, current, and noise before shipment. In addition, this helps customers confirm basic performance before testing.
OEM / ODM Support–We support customization of voltage, output range, sealing materials, pump structure, connection design, and project-based matching. As a result, the pump can better match real equipment requirements.
Engineering Support–Our engineers help customers select the right pump according to working pressure, vacuum level, flow demand, installation space, and application logic. Therefore, selection risk can be reduced during development.
Fast Sampling–We support fast sample preparation for testing and prototype development. Meanwhile, early testing helps confirm performance and installation fit.
Export Experience–DC-PUMP products are supplied to customers in multiple industries and export markets. For this reason, we understand OEM quality, customization, and international project support.
If you are looking for a compact DC diaphragm pump solution with balanced output, stable performance, and flexible customization, contact us at admin@dc-pump.com.
