**Mini Diaphragm Vacuum Pump (DC Brushless Motor)**
**Model NO.:** TF30B-D
**Trademark:** TOPSFLO
**Specification:** CE, IEC, RoHS
**Origin:** China
**HS Code:** 84135020
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**Product Description:**
TOPSFLO micro diaphragm pumps and vacuum pumps operate on a simple principle. The rotational power from the motor is converted into oscillating motion by an eccentric mechanism, which moves up and down its central point. This movement is then transferred to a diaphragm via a connecting rod, creating a pumping action when combined with inlet and outlet valves.
These pumps are ideal for applications requiring precision and reliability. They feature a compact design, low noise levels, and high durability, making them suitable for various industrial and medical uses.
**Key Features:**
- **Silent Operation:** Noise level below 50dB at 1 meter.
- **Durable Materials:** Pump head made of nylon, membrane made of EPDM or PTFE, and valves using EPDM or FPM.
- **Versatile Voltage Options:** Available in 6V, 12V, and 24V configurations.
- **Customizable Flow Rates:** Additional flow rates such as 0.05L, 0.15L, 0.2L, and 0.3L can be customized upon request.
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**Motor Types:**
- **A. Premium Duty Brush DC Motor**
- Lifetime: 5,000 hours
- Ideal for general use with moderate performance requirements.
- **B. Economical Brush DC Motor**
- Lifetime: 1,500 hours
- Cost-effective option for less demanding applications.
- **C. Coreless Brushless DC Motor**
- Vibration and spark-free operation
- Extremely durable, with an ideal lifetime of 15,000 hours
- Suitable for high-performance applications.
- **D. Coreless Brushless DC Motor with External Controller**
- Same benefits as type C
- Additional control functions: PWM speed adjustment, 0–5V control, brake, and instant start-up
- Ideal for advanced automation and control systems.
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**Applications:**
TOPSFLO pumps are widely used in the following fields:
1. Industrial liquid and vacuum applications
2. Portable analytical instruments
3. Medical diagnostic equipment
4. Printer ink machines
5. Fireplaces
6. Respiration monitors
7. And more...
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**Package:**
[Image of the pump]
[Another image of the pump]
We are a manufacturer specializing in high-quality mini diaphragm pumps and vacuum pumps. We welcome your inquiries and suggestions, as they help us improve and better serve our customers.
**Contact Us:**
Tel: +86-731-82739266
For more details, please visit: [www.topsflo.en.alibaba.com](http://www.topsflo.en.alibaba.com)
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**Technical Specifications:**
| Model | Liquid Pump (Item Number) | Vacuum Pump (Item Number) | Rated Voltage | No-load Current | Max Head | Max Vacuum | Max Flow |
|-----------|-----------------------------------|-------------------------------------|----------------|------------------|----------|------------|----------------|
| TF30B-C | TF30B-C12-W1003 (Inside Controller) | TF30B-C12-V6504 (Inside Controller) | 6 / 12 / 24 | 0.4 / 0.24 / 0.15 | ≥10 m | -65 kPa | Water: 0.35 / Gas: 4.5 |
| TF30B-D | TF30B-D12-W1003 (Outside Controller) | TF30B-D12-V6504 (Outside Controller) | 6 / 12 / 24 | 0.4 / 0.24 / 0.15 | ≥10 m | -65 kPa | Water: 0.35 / Gas: 4.5 |
**Notes:**
- "W" stands for water/liquid pump, "V" for vacuum pump.
- "6/12/24" indicates optional voltage options.
- Pump Weight: 250g
- Pump Size: 80mm × 31mm × 60mm
- Inlet/Outlet: OD 4.9mm / ID 2.8mm; recommended hose ID: 4.0mm
- Motor Type: "C" = Coreless brushless DC motor with dual ball bearings; "D" = same with external controller
- Pumps with external controllers support advanced features like PWM speed control, braking, and instant start-up.
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