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Premium Miniature Diaphragm Pumps
Manufactured in China

Oil-free, compact, and highly efficient air, vacuum, and liquid pumps for medical, beauty, industrial, and environmental applications. Customizable voltage, pressure, and flow.

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20g
Lightest Weight
3V–24V
DC Voltage Range
1 Year
Warranty

Welcome to KWL Pumps

We are a specialized manufacturer based in Shenzhen, Guangdong, China, focused on the research, development, and production of high-quality miniature diaphragm gas pumps.

With years of experience and a commitment to innovation, we export our compact, oil-free, and energy-efficient pumps worldwide. Our products serve industries ranging from medical and beauty to industrial automation and environmental monitoring.

ISO Quality Control

Certified processes ensure consistent product reliability.

Fast Shipping

Orders ship within one day. Global delivery available.

OEM/ODM Support

Custom designs and bulk manufacturing options.

24-Hour Support

Technical guidance and quick response times.

Miniature Pump Close-Up

Our Miniature Pump Product Range

Explore our series of compact, oil-free diaphragm pumps designed for air, vacuum, and liquid transfer with customizable parameters.

BD-03 Mini Pump

BD-03 Mini Air Pump

Ultra-compact diaphragm pump for inflation and pressurization.

  • Voltage: 3V–12V
  • Flow: 1–10 LPM
  • Weight: 25g
  • Use: Medical, beauty devices
4-Series Micro Pump

4-Series Micro Pump

High-efficiency micro pump with low power consumption.

  • Voltage: 6V–24V
  • Flow: 5–20 LPM
  • Pressure: Up to 1.5 bar
  • Use: Gas sampling, monitoring
Micro Vacuum Pump

Micro Vacuum Pump

Negative pressure pump for beauty and therapy instruments.

  • Vacuum: -60 to -90 kPa
  • Voltage: 12V
  • Size: 35×25×15 mm
  • Use: Facial lifting, suction
BD-04 Brushless Pump

BD-04 Brushless Pump

Maintenance-free, long-life brushless DC pump.

  • Type: Brushless
  • Voltage: 12V/24V
  • Life: >5000 hours
  • Use: Industrial, continuous duty
Liquid Transfer Pump

Liquid Transfer Pump

Self-priming pump for ink, fragrance, and chemical liquids.

  • Pressure: 100–150 psi
  • Flow: 0.1–2 LPM
  • Material: Corrosion-resistant
  • Use: Spraying, dispensing
BD-08 Air Pump

BD-08 Air Pump

High-pressure air pump for inflating and pressurizing.

  • Pressure: Up to 7 bar
  • Voltage: 12V/24V
  • Flow: 8–80 LPM
  • Use: Medical, industrial

Custom OEM Pumps

Tailored solutions for unique applications.

  • Custom: Voltage, size, flow
  • Support: ODM & OEM
  • Lead Time: Fast sample delivery
  • Use: Any specialized need

Certified Quality Pumps

ISO-compliant manufacturing with full documentation.

  • Certification: ISO Quality System
  • Warranty: 1 Year
  • Testing: 100% inspection
  • Use: High-reliability fields

Why Choose KWL Pumps?

Engineered for performance, reliability, and customization.

Oil-Free & Maintenance-Free

Clean operation with no oil contamination. Ideal for medical and sensitive environments.

Fully Customizable

Adjust voltage, pressure, flow, size, and connectors to match your device requirements.

Fast Global Shipping

Orders ship within 24 hours. Reliable logistics to North America, Europe, and Asia.

24-Hour Technical Support

Expert guidance available via email and WeChat for integration and troubleshooting.

Competitive Factory Pricing

Direct-from-factory prices with volume discounts for bulk orders.

One-Year Warranty

We stand behind our products with a full 12-month quality guarantee.

5000+
Pumps Shipped
30+
Countries Served
10+
Years Experience
24h
Avg. Response Time

"I needed a mini pump in a hurry, they replied quickly, very professional and shipped me quickly, very good service experience, very professional reply, they are good partners."

Chris Jones
Medical Device Engineer

Get in Touch

Need a quote, technical specs, or sample? Contact us today for fast, professional support.

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