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High-Performance 310B Micro Air Pump | DC 3V-12V Quiet Pump for Aromatherapy – PINMOTOR

Short Description:

310B DC micro pump excels in long-cycle applications such as miniature aquarium aeration and non-invasive medical monitors (e.g., blood pressure cuffs). For aquarium enthusiasts, the 310B offers a stable oxygen supply for small tanks and beta fish bowls while consuming minimal power—ideal for USB or battery-operated setups.

 

 


  • Product Name: 310B Micro Air Pump
  • Pump Type: Self-Priming Boost Air Pump
  • Motor Type: DC Brushless Motor
  • Features: Powerful, Low Noise, Stable Performance
  • Application: Aromatherapy Machine, Foot Spa, Aquarium Oxygenation
  • Customization: OEM/ODM Supported
  • Advantage: Cost-Effective, Compact Design
  • Product Detail

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    Technical FAQ

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    Customized Service

    To provide customers with quality products and satisfactory service

    MOQ 500pcs

    Fast Delivery

    Customized Sample

    Excellent Quality

    Competitive Price

    Modern Testing Equipment

    PYP310-XB micro air pump 

    The 310B Micro Air Pump by Pinmotor is a precision-engineered diaphragm air pump designed for original equipment manufacturers (OEMs) who prioritize reliability and acoustic comfort. Operating on a versatile 3V-6V DC motor, this compact air solution delivers high-pressure output while maintaining an ultra-low noise profile, making it the industry standard for aromatherapy diffusers, electric fragrance dispensers, and portable medical monitoring devices.

     

    Built with a high-grade industrial diaphragm and a durable 310 series motor, this pump is optimized for energy efficiency and long-term stability. Whether you are developing a smart home device or a healthcare gadget, the 310B micro air pump provides consistent airflow and suction power. As a leading micro motor manufacturer, Pinmotor ensures each unit meets strict quality control standards, offering a cost-effective yet premium alternative for global supply chains. Choose the 310B for its proven long lifespan, customizable specifications, and superior mechanical performance in demanding environments.

    Air Pump for Aromatherapy

    Professional research

    Long Lifetime

    310B-pump-technical-specifications-diagram.jpg

    Product Information

    PYP310-XB Micro Air Pump 

    *OEM/ODM Service available, contact us to get more details!
    Rate Voltage DC 3V DC 6V DC 9V DC 12V
    Rate Current ≤800mA   ≤400mA   ≤260mA   ≤200mA  
    Power 2.4w 2.4w 2.4w 2.4w
    Air Tap O.D φ4.8mm
    Air Flow        0.5-3.0 LPM
    Maximum  Pressure    ≥400 mmHg
    Noise Level ≤60db (30cm away)
    Life Test ≥30,000 Times (ON 10 seconds, OFF 5 seconds)
    Net Weight 36g
    Inflation Time <10s (From 0 to 300mmHg in a 500cc tank)
    Leakage <3.0mmHg/min(from 300mmHg in a 500cc tank)

     

    Engineering Integration Notes

    To ensure optimal performance and the longest service life of the 310B pump in your application, please review the following technical integration guidelines.

    1. Mounting and Vibration Control

    • Flexible Decoupling: The 310B motor generates micro-vibrations typical of diaphragm movement. We recommend using silicone rubber mounting sleeves or vibration-damping gaskets to isolate the pump from the device housing.

    • Orientation: This pump can be mounted in any orientation. However, vertical mounting with the pump head facing downwards is preferred in high-humidity environments to prevent moisture accumulation.

    2. Electrical Integration & PWM Control

    • Voltage Range: While rated for 3V-6V DC, operating at the lower end of the voltage spectrum significantly extends the motor brush life and reduces acoustic noise.

    • PWM Speed Control: If using Pulse Width Modulation (PWM) for airflow adjustment, we recommend a frequency between 20kHz and 25kHz to avoid audible humming or resonance from the motor coils.

    • Polarity Protection: Ensure correct polarity during installation. Reversed polarity may lead to inefficient operation or premature motor failure.

    3. Thermal Management

    • Duty Cycle: The 310B is designed for intermittent and long-cycle operation. For continuous 24/7 use, ensure adequate airflow around the motor casing to dissipate heat.

    • Ambient Limits: Optimal operating temperature is between 5°C and 50°C. Exceeding these limits may affect the elasticity of the diaphragm and reduce pressure output.

    4. Pneumatic Connections & Filtration

    • Tubing Match: Recommended for use with 3mm or 4mm ID (inner diameter) silicone tubing. Ensure a secure fit or use mini-clamps for high-pressure aromatherapy applications.

    • Air Quality: To prevent diaphragm clogging, ensure the intake air is free from dust and oily residues. Using a 5-micron inline air filter is highly recommended for medical or precision diffuser applications.

     

    Specification Engineering Drawing

    miniature-air-pump-dimensions-310B.jpg

    310B Micro Air Pump: Troubleshooting & Maintenance Guide

    Below are common issues encountered during device integration and their recommended solutions. If your issue persists, please contact our engineering support team.

    (Issue) (Potential Cause) (Recommended Solution)
    Low Air Pressure / Flow Tubing leakage or partial blockage. Check all silicone tube connections and ensure the air intake is not obstructed.
    Increased Operating Noise Resonance with the device housing. Enhance insulation using silicone dampers; check if the pump is touching hard plastic surfaces.
    Pump Fails to Start Low input voltage or incorrect polarity. Verify that the DC power supply is within 3V-6V. Check wire polarity (Red: +, Black: -).
    Intermittent Operation Loose electrical connections or PWM interference. Secure all solder joints. Ensure PWM frequency is within the recommended 20-25kHz range.
    Reduced Lifespan Excessive heat or high dust environment. Improve ventilation around the motor. Install an external 5-micron air filter at the intake.

    Maintenance Pro-Tips:

    • Avoid Liquids: The 310B is an air-only pump. Any liquid ingress into the diaphragm chamber will cause immediate failure.

    • Operating Cycle: For maximum longevity in aromatherapy machines, we recommend a duty cycle of 10 mins ON / 5 mins OFF to allow the motor brushes to cool.

    • Storage: Store in a cool, dry place. If the pump has been stored for over 6 months, run it at 3V for 1 minute before full-load integration.

    Images for micro gear pump---100% live-action shooting, Quality Guarantee

    Internal structure of 310B DC pump showing durable diaphragm and motor

    Application

    Where Can You Use the 310B Micro Air Pump?

    The 310B series is a versatile "workhorse" designed for small devices that need reliable airflow or suction. Here is how our customers are successfully using it:

    Application / Industry Real-World Use Why the 310B is Perfect
    Home Fragrance Aromatherapy Diffusers & Essential Oil Nebulizers. It’s super quiet, so it won't disturb your sleep or relaxation.
    Health & Wellness Wrist Blood Pressure Monitors & Massage Eyewear. The compact size fits easily into small, handheld battery-operated tools.
    Smart Home Automatic Soap Dispensers & Fragrance Systems. It handles frequent start-stops without burning out the motor.
    Medical Tech Portable Gas Samplers & Lab Testing Kits. Provides steady airflow for accurate sensor readings and measurements.
    Beauty Devices Blackhead Vacuums & Skin Hydration Sprayers. Delivers strong suction power while staying lightweight for handheld use.
    Aquarium Tech Portable Fish Tank Aerators (Battery Powered). High energy efficiency means your batteries last much longer during travel.
    Tea set application using a food-grade micro DC water pump for automatic water dispensing.

    Tea table

    Small vacuum packing appliance using a miniature DC pump for air extraction.

    Vacuum packing machine

    Bottled water dispenser application requires a safe, food-grade mini electric water pump.

    Water dispenser

    Automatic foam hand sanitizer dispenser powered by a micro electric pump.

    Foam hand sanitizer

    Electric wine decanter utilizing a small DC pump for fluid circulation.

    Electric decanter

    Dishwasher appliance utilizing a reliable DC water pump for water circulation.

    dishwasher

    Manufacturing Quality & Compliance

    Availability: In Stock - Contact Pinmotor for OEM Quote

    Automotive Quality Standards

    • IATF 16949:2016 Compliant: Automotive-grade quality management ensuring zero-defect manufacturing and full process traceability.
    • Quality Management System: IATF 16949 & ISO 9001:2015
    • Process Control: FMEA (Failure Mode and Effects Analysis) Applied

    Official ISO 9001:2015 Certification Badge for Pinmotor high-quality manufacturing.

    ISO 9001:2015 Certified

    Our facility operates under the international standard for quality management systems, ensuring repeatable precision and documented assembly processes.

    Pinmotor Automotive Quality Management System (IATF 16949:2016 Certified)

    IATF 16949 Compliant

    At Pinmotor, we go beyond standard manufacturing. Our production lines for the 310B series are managed under the IATF 16949:2016 framework, the highest quality standard in the automotive industry.

    reach

    RoHS & REACH Fully Compliant

    We use environmentally friendly materials that meet global safety and environmental regulations, ensuring your end product is ready for international markets.

    Technical Note: Full documentation, including material safety data sheets (MSDS) and compliance certificates, is available upon request for your engineering audit.

    We supply more than just product, we engineer solutions optimised to suit your application requirements.

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  • Q1: What is the maximum life expectancy of the 310B micro air pump?

    A: The Pincheng 310B is designed for high durability. Under standard operating conditions (rated voltage and intermittent cycle), it can achieve a service life of over 50,000 cycles or 500+ hours of continuous run time. For high-end applications, we also offer custom brushless motor versions that significantly extend this lifespan.

    Q2: Can the 310B pump be customized for different DC voltages?

    A: Yes. While DC 6V and 12V are our standard specifications, as a direct factory, Pincheng can customize the motor winding to accommodate DC 3V, 3.7V, or 24V inputs based on your device’s power supply (battery or wall adapter). Please contact our engineering team for specific torque and flow adjustments.

    Q3: How quiet is the 310B pump when integrated into an aromatherapy diffuser?

    A: Silence is a core feature of the 310B. It operates at a noise level of less than 60dB at a 30cm distance. When properly mounted with rubber dampeners inside a housing, the perceived noise can be further reduced, making it ideal for night-time aromatherapy and medical bedside equipment.

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