JSG-79 Series Miniature Piston Pump
The JSG-79 micro air pump is a compact and efficient solution for a wide range of air transfer applications. Engineered for reliability and low noise, it is ideal for use in medical, industrial, and consumer devices. With its lightweight design and powerful performance, the JSG-79 micro air pump ensures consistent airflow while maintaining energy efficiency. Durable construction and easy integration make it a top choice for precision-driven projects.

Customization Range: Flow 40–50L/min, Pressure 5–7bar, Vacuum -85kPa, Power 50–70W
🔧 Construction Principle
The JSG-79 series miniature piston pump uses a brushed DC motor to drive a piston through an eccentric mechanism. As the piston moves back and forth inside the cylinder, it draws in and compresses air, generating positive pressure or vacuum depending on the pump configuration.
⭐ Key Features
| Feature | Specification |
|---|---|
| Flow Rate | 40–50L/min |
| Max Pressure | 5–7 bar |
| Vacuum Level | -85 kPa |
| Power | 50–70 W |
| Motor Type | DC Brush Motor |
| Voltage | 12V / 24V |
| Noise Level | 68–75 dB |
| Lifetime | ≥1000 hours |
| Weight | 800g |
| Material | Nylon pump body, EPDM valve |
| Dimensions | 123 × 103.5 × 56 mm (4.86 × 4.07 × 2.20 in) |
📦 Model Options
🔹 JSG-79A-M Series – Air Pump (Positive Pressure)
| Model | Flow Rate (@0bar) | Max Pressure |
|---|---|---|
| JSG-79A-M-40L | 40 L/min | 7 bar |
| JSG-79A-M-45L | 45 L/min | 7 bar |
| JSG-79A-M-50L | 50 L/min | 7 bar |
🟠 JSG-79V-M Series – Vacuum Pump (Negative Pressure)
| Model | Flow Rate (@0kPa) | Max Vacuum |
|---|---|---|
| JSG-79V-M-35L | 35 L/min | -85 kPa |
| JSG-79V-M-40L | 40 L/min | -85 kPa |
| JSG-79V-M-45L | 45 L/min | -85 kPa |
🧩 Application Scope
Thanks to its compact design, high flow, and robust vacuum capability, the JSG-79 series is suitable for a wide range of professional and industrial fields, including:
-
Massage chairs & beds
-
Electric paint sprayers
-
Coffee machines, juicers, and smart cookers
-
Medical devices & dental instruments
-
Facial sprayers, nebulizers, beauty equipment
-
Gas detectors, analyzers
-
Emergency equipment & pacemakers
-
Vacuum suction cups & lifting systems
-
Smart printers, automation robotics
-
Cryolipolysis machines, pesticide sprayers, and sterilizers
-
Industrial labs, aerospace tools, and pressure calibration instruments
📞 Customization & Support
Shenzhen Precision Plastic Optical Technology Co., Ltd. offers flexible customization in terms of flow, voltage, motor type (brushed/brushless), and control (PWM optional). Feel free to contact us for tailored solutions.







