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DC Brush Mini Vacuum Pump
**DC Brush Mini Vacuum Pump**
**Model NO.:** TM40-B
**Pressure:** 250kPa
**Flow Rate:** 13L/Min
**Trademark:** TOPSFLO
**Transport Package:** Standard Export Packing or OEM Packing
**Specification:** CE, IEC, RoHS
**Origin:** China
**HS Code:** 84137090
**Description:**
TOPSFLO micro diaphragm pumps and compressors operate on a simple yet effective principle. The rotational power from the motor is converted into oscillating motion via an eccentric, which moves up and down its central point. This motion is then transferred to a diaphragm through a connecting rod, creating a pumping action with the help of inlet and outlet valves.
The TM 40 Series offers multiple component configurations, making it suitable for vacuum operation, pressure operation, or alternating between both. Its compact and innovative design incorporates advanced technologies that allow it to perform more efficiently, quietly, and reliably over a longer lifespan. These pumps can be mounted in any position and deliver up to **13 L/min (dual head)** depending on the model, operating against pressures of up to **250 kPa**.
**Features:**
- **Highest Performance/Size Ratio**: Designed for maximum efficiency in a lightweight and compact form.
- **Quieter Operation**: Optimized head, chamber, and flow path reduce noise without sacrificing performance.
- **Reliable Longevity**: Built with high-quality bearings and brushless motors for extended service life.
- **Oil-Free Operation**: Ensures uncontaminated flow of media.
- **Low Vibration**: Reduces mechanical stress and improves stability.
- **High Gas Tightness**: Achieved through stress-optimized diaphragms, new valve designs, and precise pump head placement.
- **Chemical Resistance**: Available with materials like PTFE and FKM for handling corrosive gases.
- **Customizable Solutions**: A wide range of materials, voltages, and configurations to suit various applications.
**Specification Table:**
| Model | Pressure Pump (Item No.) | Vacuum Pump (Item No.) | Rated Voltage (Vdc) | No-load Current (A) | Max Pressure (kPa) | Max Vacuum (kPa) | Max Flow (L/min) |
|-----------|-------------------------------|-------------------------------|---------------------|---------------------|--------------------|------------------|------------------|
| TM40-B | TM40-B12-P25013 | TM40-B12-V7513 | 12 | 0.8 | 250 | -75 | 13 |
| TM40-B | TM40-B12-P22011 | TM40-B12-V7011 | 12 | 0.6 | 220 | -70 | 11 |
*Note: "P" stands for pressure pump, "V" for vacuum pump, and "12/24" indicates optional voltages.*
**Pump Weight:** 280g
**Pump Size:** 88mm × 65mm × 40.5mm
**Inlet & Outlet:** OD 6.5mm / ID 3.4mm (recommended hose: ID 5.0mm)
**Materials:** Pump head – PPE, Membrane – EPDM, Valve – EPDM
**Motor Type:** "B" refers to an economical brush DC motor (service life ≥1,000 hours)
**Typical Applications:**
- Industrial pressure and vacuum systems
- Portable analytical instruments
- Medical diagnostic equipment
- Air quality sampling monitors
- Respiration monitoring devices
- Gas or odor leak detectors
**Dimensions & Performance Curve:**
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This compact and powerful DC brush mini vacuum pump is ideal for a wide range of industrial and scientific applications where reliability, efficiency, and quiet operation are essential. Whether you need a vacuum, pressure, or dual function pump, the TM40 series delivers consistent performance in a small package.
YUKA's Precision Filtration Ecosystem: Engineered for Industrial Air Purity