Product Overview
The JSG04A/VB is a compact brushless mini diaphragm pump platform that includes both DC air pump and DC vacuum pump versions for small-space equipment requiring stable output, flexible voltage selection, and better long-term operating consistency.
This brushless series includes:
- JSG04AB→ pressure type mini DC air pump
- JSG04VB→ vacuum type mini DC vacuum pump
Both versions are designed for compact systems that need balanced flow performance, easier integration, practical pressure or vacuum capability, and better lifetime performance than standard brushed pump structures.
Core Selling Points of This Brushless Mini Diaphragm Pump
1. Balanced Flow Output for Compact Devices
2. Reliable Pressure Option for Air Pump Applications
3. Stable Vacuum Option for Suction Applications
4. Multiple Voltage Options for Easier System Matching
5. Brushless Motor for Longer Lifetime and More Stable Operation
What Are the Key Specifications of This Brushless Mini Diaphragm Pump?
| Product Model | JSG04AB | JSG04VB |
| Pump Type | DC air pump / pressure diaphragm pump | DC vacuum pump / vacuum diaphragm pump |
| Motor Type | Brushless motor | |
| Voltage | 6 V/12 V24 V | |
| Max Flow | 11–20 L/min | |
| Max Pressure | 2.5–3.5 bar | / |
| Max Vacuum | / | -75 to -80 kPa |
| Media | Air / clean gas | |
| Wetted Materials | EPDM / FKM | |
| Working Mode | Intermittent / continuous depending on load point | |
| Noise | 50–65 dB at 30 cm, depending on voltage, load point and installation conditions. | |
| Application Direction | Pressure systems, airflow systems, pneumatic support | Suction systems, vacuum holding, negative-pressure equipment |
How Does This Brushless Mini Diaphragm Pump Perform Under Real Load?
This brushless mini diaphragm pump should be selected by real working conditions, not free-flow data alone. JSG04AB performance depends on outlet resistance, tubing, valves, and back pressure, while JSG04VB performance depends on chamber volume, sealing, leakage, filters, and vacuum recovery speed.
JSG04A/VB Flow vs Pressure vs Vacuum

What Are the Dimensions and Installation Details?
The JSG04 series adopts a side 4-hole mounting design with 4 mm mounting holes for more stable installation. It is suitable for compact equipment that requires secure fixing, easier assembly, and better structural support during operation.
JSG04AB / JSG04VB Dimensional Drawing

Which Media and Materials Is This Brushless Mini Diaphragm Pump Compatible With?
The JSG04A/VB is intended mainly for air and clean gas transfer. Material selection should be based on actual media, humidity level, corrosion risk, temperature condition, and durability target.
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 |
| Selected chemically aggressive gases | Compatibility must be confirmed according to gas composition, concentration, temperature and operating duration. |
What Applications Is This Brushless Mini Diaphragm Pump Suitable For?
As a brushless mini diaphragm pump platform, the JSG04A/VB is suitable for compact equipment that needs either positive air pressure or negative vacuum suction with longer service life.
1. Beauty and Personal Care Devices
Compact beauty devices require stable suction or airflow, low-noise operation, and reliable long-term performance. JSG04VB offers configurations with up to 15 L/min free flow and a maximum vacuum level of –80 kPa, making it suitable for compact negative-pressure and suction functions. JSG04AB provides up to 11 L/min free flow and a maximum pressure of 2.5 bar for gentle air delivery and pneumatic support. Actual working flow depends on the required pressure or vacuum level, tubing resistance, filters, valves, and system leakage.
2. Portable Medical and Laboratory Devices
Portable medical and laboratory instruments require compact pumps for air transfer, gas sampling, vacuum generation, and pneumatic operation. JSG04AB offers configurations with 15–20 L/min free flow and maximum pressure ranging from 3 to 3.5 bar. JSG04VB provides 11–20 L/min free flow and maximum vacuum levels ranging from –75 to –80 kPa. Actual operating performance should be selected according to the system load, tubing layout, filter resistance, valve configuration, and required working point.
How Do I Choose the Right Brushless Mini Diaphragm Pump?
1. If you need longer lifetime and more stable operation, choose a brushless version.
2. If your power platform is fixed, choose the matching voltage first.
3. If your working media includes moisture or aggressive gas, upgrade sealing materials.
4. If your system must run continuously, verify temperature rise and real load point.
5. If space is very limited, evaluate layout and pipe routing together with pump selection.
Real Product Cases Using This Brushless Mini Diaphragm Pump
Case 1: Portable Pneumatic Therapy Device
A customer selected a 24 V JSG04AB with EPDM diaphragm for a portable pneumatic therapy device. The pump was configured for approximately 15 L/min free flow and operated near 1.8 bar after connecting a 0.8 m tube, solenoid valve and air chamber. PWM control allowed the device to adjust inflation speed, while soft rubber mounting reduced vibration transfer to the enclosure.
Case 2: Beauty Suction Device
A customer developing a compact beauty suction device selected the 24 V JSG04VB as the negative-pressure source. The project required stable suction and low operating noise during repeated treatment cycles. The pump’s compact structure simplified internal installation, while its brushless motor supported smoother operation and more consistent long-term output inside the beauty device.
Files and Technical Documents
Why Work With DC-PUMP for Your Brushless Mini Diaphragm Pump Project?
Professional Micro Pump Manufacturer—DC-PUMP focuses on miniature air pumps, vacuum pumps, diaphragm pumps, piston pumps, and liquid pumps for industrial, medical, laboratory, beauty, portable, and small equipment applications.
Stable Quality Control—Each pump can be checked for key output parameters such as flow, pressure, vacuum, current, noise, and operating stability before shipment.
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 real working pressure, vacuum level, flow demand, installation space, working medium, duty cycle, and application logic.
Fast Sampling—We support sample preparation for testing, prototype development, and project validation before mass production.
Export Experience—DC-PUMP products are supplied to customers in multiple industries and export markets for long-term OEM projects.
If you are looking for a compact brushless mini diaphragm pump for OEM air pressure or vacuum suction applications, DC-PUMP can support model selection, material matching, and project-based customization. Contact us at admin@dc-pump.com.





