Compact brushless diaphragm pump for OEM air delivery, vacuum suction and clean-gas transfer. The JSG04AB/VB series offers separate pressure and vacuum versions with 6V, 12V or 24V DC options for medical instruments, beauty devices and compact pneumatic equipment.
- Series maximum flow: 11–20 L/min, depending on configuration.
- Pressure version: JSG04AB, 2.5–3.5 bar maximum pressure.
- Vacuum version: JSG04VB, −75 to −80 kPa maximum vacuum.
- Compact body: approx. 92.3 × 72 × 52 mm; approx. 305 g.
- Material options: EPDM / FKM, subject to gas compatibility and build confirmation.
Pressure & Vacuum Options
JSG04AB – Pressure Type
For positive airflow, pneumatic support, compact inflation modules and pressure-control circuits.
JSG04VB – Vacuum Type
For suction, air extraction, gas sampling, vacuum holding and negative-pressure modules.
Choose the required function and rated voltage. Published ranges cover different configurations. Maximum flow, maximum pressure and maximum vacuum are separate operating points; confirm available flow at your actual working pressure or vacuum.
Specifications
| Pressure Model | JSG04AB |
| Vacuum Model | JSG04VB |
| Pump Type | Brushless DC diaphragm air / vacuum pump |
| Rated Voltage Options | 6V / 12V / 24V DC; select one rated voltage |
| Series Maximum Flow | 11–20 L/min; configuration dependent |
| Maximum Pressure | 2.5–3.5 bar, pressure version |
| Maximum Vacuum | −75 to −80 kPa, vacuum version |
| Noise | 50–65 dB at 30 cm; depends on voltage, load and installation |
| Approx. Dimensions | 92.3 × 72 × 52 mm; check complete installation clearances |
| Approx. Weight | 305 g |
| Hose Ports | Approx. 6.5 mm OD / 3.5 mm bore; confirm tubing fit |
| Media | Air / compatible clean gas |
| Wetted Material Options | EPDM / FKM; confirm the selected diaphragm and valve build |
| Working Mode | Intermittent or continuous, depending on load and thermal validation |
Dimensions and Installation

Check the side mounting points, port direction, lead-wire clearance and tubing bends against the complete drawing. Allow vibration isolation and airflow around the motor.
Typical Applications
Beauty and personal-care devices, medical and laboratory instruments, gas-sampling modules, vacuum fixtures and compact pneumatic equipment.
Important Note
For air and confirmed compatible gases. Not for liquid transfer. Review diaphragm, valve and seal compatibility if the gas path contains moisture, mist, oil vapor or chemical residue.
Tubing, filters, valves, leakage and supply voltage affect installed performance. Validate flow, startup, current, noise, temperature rise and duty cycle in the complete device before approving production.
Package Includes
1 × Selected JSG04AB or JSG04VB Pump
Select pressure or vacuum and 6V, 12V or 24V. Silicone hose, air filters, mounting clips, controller and power supply are not included unless agreed separately.
Technical Information
View Full Technical Specifications →
For samples, bulk orders or OEM review, send your required flow, pressure or vacuum, gas, voltage, duty cycle and quantity to admin@dc-pump.com.
Related Pump Categories
SAMPLES · OEM · ODM
Let's build the right solution.
Send us your application, target working point and estimated quantity. Our team can help you review the options.