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Welcome to Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd. – a trusted manufacturer of advanced filtration solutions. Our Automatic Membrane Filtration System 220V 50Hz with Adjustable Pore Size 0.1-0.5µm is engineered to deliver precise, reproducible, and efficient filtration for laboratories and industrial applications. With over a decade of experience serving global markets including North America, Europe, Asia, and Africa, we bring you a system that combines automation, flexibility, and durability. Whether you are filtering water samples, pharmaceutical solutions, or food products, this system offers the control you need for consistent results.
This system features a microprocessor-controlled vacuum/pressure filtration platform that allows seamless adjustment of pore size from 0.1 to 0.5 µm, accommodating a wide range of particle retention requirements. The 220V 50Hz power supply ensures stable operation in standard industrial electrical environments. Designed with user convenience in mind, it includes a digital display, automatic pressure regulation, and an integrated membrane holder that accepts standard disc membranes.
Key Features & Technical Specifications
- Adjustable Pore Size: Easily set the filtration cutoff between 0.1 µm and 0.5 µm using a precise control knob – ideal for size-selective separations.
- Fully Automatic Operation: Once parameters are set, the system manages vacuum/pressure, timing, and shutdown, reducing manual intervention and improving reproducibility.
- Wide Membrane Compatibility: Works with standard 47/50 mm disc membranes made of PVDF, PES, Nylon, PTFE, cellulose acetate, and more.
- Stainless Steel Filtration Base: Corrosion-resistant and easy to clean, suitable for harsh chemical environments.
- Digital Display & Control: Real-time monitoring of pressure, vacuum level, filtration time, and cycle count.
- Safety Features: Overpressure protection, automatic shutdown, and leak detection.
- Low Noise Operation: Built-in silent pump ensures quiet lab environment.
| Parameter | Specification |
|---|---|
| Power Supply | 220V AC, 50Hz, 0.5A |
| Pore Size Range | 0.1 – 0.5 µm (continuously adjustable) |
| Max Vacuum | -0.085 MPa |
| Max Positive Pressure | 0.6 MPa |
| Filtration Rate | Up to 5 L/min for water at 0.2 µm |
| Membrane Diameter | 47 mm / 50 mm (standard) |
| Display | 7-inch TFT touch screen (optional upgrade) |
| Housing Material | 304 stainless steel / ABS plastic |
| Weight | 12 kg |
| Dimensions (L×W×H) | 380 × 280 × 520 mm |
Advantages & Customer Benefits
- Enhanced Productivity: Automate filtration cycles to process multiple samples simultaneously, saving time compared to manual methods.
- Consistent Quality: Precise control over pore size eliminates variability caused by operator technique.
- Cost-Effective: Use standard, low-cost membrane discs; no need for proprietary cartridges.
- Versatile Applications: Ideal for microbiology (sterile filtration), water quality testing, clinical sample preparation, and chemical analysis.
- Easy Maintenance: Quick-release membrane holder, autoclavable components, and simple cleaning protocol.
- Customizable Options: Available with different pump types (oil-free diaphragm pump, rotary vane pump), multi-station manifold, and data logging software.
Trust & Reliability from ZLN Technology
Tianjin ZLN Technology Co., Ltd. has been a dedicated manufacturer of filtration systems since 2010. We ship our products from Tianjin Port to over 20 countries, serving clients in laboratories, universities, and industrial facilities. Our quality management system ensures every unit undergoes rigorous testing before delivery. We offer a 12-month warranty, lifetime technical support, and fast spare parts supply. Our team of engineers can also provide custom modifications to meet specific application requirements. Choose ZLN – your partner in precision filtration.
Contact us today for a quote or technical consultation. We look forward to helping you streamline your filtration processes.
Frequently Asked Questions (FAQ)
Q1: Which membrane types are compatible with this system?
A: The system accepts standard 47 mm or 50 mm disc membranes. Common materials include PVDF, PES, Nylon, PTFE, mixed cellulose esters, and glass fiber. The membrane holder is designed for quick change without tools.
Q2: Can I sterilize the system components?
A: Yes, the stainless steel base and membrane support can be autoclaved at 121°C. The plastic housing and tubing are autoclavable or can be chemically disinfected. Always follow the user manual for sterilization guidelines.
Q3: How do I adjust the pore size?
A: The system uses a precision pressure regulator combined with a vacuum control valve. By adjusting the pressure differential, you effectively change the cut-off size. A calibration chart is provided in the manual. For exact pore size, we recommend using a particle size analyzer.
Q4: What is the maximum sample volume per cycle?
A: The standard reservoir holds up to 500 mL. For larger volumes, you can connect an external feed tank (optional accessory). The system will automatically stop when the preset volume or time is reached.
Q5: Does the system require any special installation?
A: No, it is plug-and-play. Simply connect to a 220V 50Hz power outlet, attach the tubing, place the membrane, and start. The system comes with a user-friendly interface with preset programs.
Q6: Can I use this system for viscous liquids like oil or syrup?
A: Yes, but the filtration rate may be slower. The adjustable pressure allows you to increase the driving force. For high-viscosity samples, we recommend using a pre-filter or a larger pore size membrane. Contact our technical team for specific recommendations.
Q7: What certifications does the system have?
A: The system is designed to meet CE and RoHS standards. Certificates are available upon request. We can also provide additional documentation such as material certificates and calibration reports for an extra fee.
Q8: How do I clean the system after use?
A: Rinse the membrane holder, base, and tubing with deionized water or appropriate solvent. For stubborn residues, use mild detergent and a soft brush. The system can be flushed with a cleaning solution without disassembly. Refer to the maintenance section in the manual.
* Specifications subject to change without notice. Customization options available. For exact dimensions and performance data, please request our technical datasheet.
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