Shenzhen Pincheng's 370A Micro Pneumatic Solution delivers exceptional performance in a compact 60-gram package, engineered for diverse applications from medical devices to home appliances. This versatile 3V DC micro air pump maintains stable 2.4W power consumption across multiple voltage inputs (DC 3V-24V), generating substantial pressure ≥60kPa (450mmHg) with adjustable airflow of 0.5-2.5 LPM through its Ø4.2mm nozzle. The unit's rapid response capability enables inflation to 300mmHg in a 500cc tank within 10 seconds, making this 12V DC mini diaphragm air pump ideal for blood pressure monitors, aroma diffusers, and therapeutic massage equipment.
Designed for durability and consistent operation, this reliable mini air suction pump withstands rigorous testing of 50,000 cycles while maintaining excellent airtightness with leakage below 3.0mmHg/min. The pump's optimized diaphragm mechanism ensures quiet performance at ≤80dB, suitable for noise-sensitive environments including healthcare facilities and residential settings. Its multi-voltage compatibility and robust construction make it particularly valuable for portable medical devices and automated systems requiring reliable pneumatic performance.
Dimension


| Product model | PYP370-XA | |||
| Rated Voltage | DC 3V | DC 6V | DC 9V | DC 12V |
| Rated Current | ≤800mA | ≤400mA | ≤260mA | ≤200mA |
| Power | 2.4 W | 2.4 W | 2.4 W | 2.4 W |
| Air Tap O.D. | Ø4.3mm | |||
| Maximum Pressure | ≥60KPa(450mmHg) | |||
| Air Flow | 0.5-3.0 LPM | |||
| Inflation Time | <10s (From 0 to 300mmHg in a 500cc tank) | |||
| Noise Level | ≤60db (30cm away) | |||
| Life Test | ≥ 50,000 Times (ON 10s, OFF 5s) | |||
| Leakage | <3.0mmHg/min (from 300mmHg in a 500cc tank) | |||
| Weight | 36g | |||
Description
The Model 370 12V DC mini diaphragm air pump from Pincheng factory delivers advanced pneumatic performance in an ultra-compact 36-gram design, supporting broad voltage input from DC 3V to 12V with stable 2.4W power consumption. Capable of inflating a 500cc chamber to 300mmHg in under ten seconds, this unit is ideal for OEM integrations in medical devices, home automation systems, and therapeutic equipment where rapid pressure generation is essential. We provide comprehensive customization services including voltage-specific adaptations and connector configurations to meet specialized B2B requirements for global commercial applications.
Engineered for demanding suction applications, this versatile mini air suction pump maintains consistent vacuum performance while operating below 60dB noise levels, making it suitable for clinical environments and residential settings where both acoustic discretion and reliable airflow are critical. With a validated lifespan exceeding 50,000 operational cycles and minimal pressure loss below 3.0mmHg per minute, Pincheng offers tailored solutions for volume orders including custom suction calibration and diaphragm configurations to match specific industry standards in medical device manufacturing and personal care appliance production.
For applications requiring robust pressure output, this durable High Pressure Diaphragm air pump combines maintenance-free construction with efficient pneumatic performance, making it particularly suitable for healthcare instruments, automated home systems, and wellness products where consistent pressure stability and long-term reliability are paramount. Backed by rigorous endurance testing, Pincheng supports OEM/ODM partners with custom engineering for pressure optimization, housing designs, and specialized airflow configurations to ensure seamless integration across professional healthcare and consumer wellness products worldwide.
How To Choose The Right Mini Air Pump?
Selecting the optimal mini air pump for your project requires a systematic evaluation of your application's specific demands. Moving beyond a one-size-fits-all approach ensures not only functionality but also efficiency and longevity. The selection process should be guided by the following critical technical and operational parameters.
The two most fundamental performance metrics are pressure (often measured in PSI or Bar) and flow rate (typically in Liters Per Minute or LPM). It is crucial to distinguish between the need for high pressure and the need for high flow, as these are often a trade-off.
Pressure Requirement: Identify the maximum pressure your system must withstand. Applications like pneumatic actuation, inflation of certain items, or driving fluids through narrow orifices demand a mini high-pressure air pump. Conversely, tasks such as aquarium aeration or simple ventilation primarily require adequate flow.
Flow Rate Requirement: This determines the speed of air movement. For instance, a device intended for cooling or continuous sample agitation will have a higher LPM requirement than one used for intermittent sampling. Always cross-reference the pump's performance curve, which shows the relationship between pressure and flow, to ensure it meets your needs at the intended operating point.
The available power supply heavily dictates your choices. For portable or automotive applications, a DC air pump (common in 5V, 12V, or 24V) is indispensable. Within DC options, confirm if the pump is compatible with battery operation and consider its current draw to estimate battery life. For fixed installations, an AC-powered model might be suitable. Furthermore, for automated systems, verify whether a pump with simple two-wire DC operation suffices or if one with a more complex multi-wire interface (e.g., for PWM speed control) is necessary for precise management.
The physical dimensions and weight of the pump are critical for space-constrained designs. Carefully review the manufacturer's datasheet for exact measurements and port locations. Simultaneously, the operating noise level (in decibels) is a vital usability factor, especially for medical, office, or residential equipment. A pump engineered with internal damping and an optimized airflow path will offer a much quieter operation.
Finally, match the pump's duty cycle rating with your application's runtime. Will it operate continuously or in short, intermittent bursts? Exceeding the recommended duty cycle can lead to premature failure. The construction quality-evidenced by the materials used in diaphragms, valves, and bearings-directly influences the pump's service life and reliability under your specific operating conditions.
By meticulously assessing these four areas, you can effectively narrow down the options and select a mini air pump that delivers reliable performance tailored to your system's unique requirements.



