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Help CenterAutomatic Pre-filter With PLC Control, 220V 50Hz, 10-inch Diameter for HVAC Systems
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As a trusted manufacturer with over two decades of experience, Anping County Boli Hardware Wiremesh Products Factory proudly presents the Automatic Pre-filter with PLC Control, designed specifically for modern HVAC systems. This 10-inch diameter, 220V 50Hz pre-filter integrates intelligent PLC automation to ensure consistent air quality and system efficiency. By combining our expertise in wire mesh fabrication with advanced control technology, we deliver a solution that reduces maintenance downtime and extends the life of your primary filters.
Our product is engineered to automatically clean the filter media based on differential pressure or a preset timer, eliminating the need for manual intervention. The PLC controller allows for flexible programming, making it adaptable to various HVAC configurations. Whether you are upgrading an existing system or designing a new facility, this automatic pre-filter offers a reliable first line of defense against dust, pollen, and particulate matter.
With annual exports ranging from US$5 million to US$10 million, our products are trusted by clients across North America, South America, Europe, Asia, Africa, and Oceania. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide.
Key Features & Technical Specifications
- PLC Control System: Programmable logic controller with user-friendly interface, supports differential pressure and time-based cleaning cycles.
- Automatic Cleaning Mechanism: High-pressure air jet or reverse airflow system (depending on configuration) to dislodge accumulated dust without stopping the HVAC fan.
- Robust Construction: Frame made of galvanized steel or stainless steel (optional), with a 10-inch diameter filter cartridge suitable for standard duct sizes.
- Energy Efficient: Low power consumption during cleaning cycles; the 220V 50Hz power supply ensures compatibility with most industrial electrical systems.
- Customizable Filtration Media: Available in various mesh sizes (e.g., 20 mesh, 40 mesh) or pocket-type filters to meet specific particle removal requirements.
- Easy Installation & Maintenance: Compact design with flanged connections for quick mounting; filter element can be replaced without tools.
- Safety Features: Overload protection, emergency stop button, and status indicators for filter condition.
- Wide Application: Ideal for HVAC systems in commercial buildings, industrial plants, data centers, clean rooms, and ventilation systems.
| Parameter | Specification |
|---|---|
| Power Supply | 220V AC, 50Hz, single phase (other voltages available upon request) |
| Filter Diameter | 10 inches (254 mm) |
| Control Type | PLC (Programmable Logic Controller) with touch screen or button panel |
| Cleaning Method | Pulse-jet or reverse air (depending on filter media) |
| Max Operating Temperature | 80°C (176°F) |
| Housing Material | Galvanized steel (standard) / Stainless steel 304 (optional) |
| Airflow Capacity | Up to 2000 CFM (depending on filter media) |
| Protection Class | IP54 (electrical enclosure) |
Advantages & Customer Benefits
Compared to traditional manual pre-filters, the Automatic Pre-filter with PLC Control offers significant operational advantages:
- Reduced Labor Costs: Automatic cleaning eliminates the need for frequent manual filter replacement or cleaning, freeing up maintenance staff for other tasks.
- Improved HVAC Efficiency: By preventing clogging of the main filters, the system maintains optimal airflow and reduces energy consumption by up to 15%.
- Longer Filter Life: The pre-filter captures coarse particles before they reach the main filter, extending the replacement interval of high-efficiency filters.
- Consistent Indoor Air Quality: The PLC ensures that cleaning occurs at the right time, preventing dust buildup and maintaining stable air quality.
- Customizable Programming: Operators can set cleaning frequency, duration, and pressure differential thresholds to match specific site conditions.
- Durable Construction: Our factory has been manufacturing wire mesh products since 1998, ensuring a robust and corrosion-resistant build.
- Global Compatibility: Designed for 220V 50Hz power supply, which is common in many regions, but we can also provide 110V/60Hz or other configurations upon request.
For example, a commercial building using this pre-filter can expect to reduce overall filter maintenance costs by 30-40% while improving system reliability. The PLC data logging feature (optional) allows facility managers to monitor filter performance remotely.
Frequently Asked Questions (FAQ)
-
Q: What is the typical lifespan of the filter media?
A: The lifespan depends on the operating environment and dust load. Under normal HVAC conditions, the filter media can last 6–12 months before needing replacement. The automatic cleaning extends the life by preventing permanent clogging. -
Q: Can this pre-filter be integrated with existing BMS (Building Management System)?
A: Yes, the PLC controller supports Modbus RTU communication protocol (optional), allowing integration with most BMS systems for remote monitoring and control. -
Q: What is the noise level during the cleaning cycle?
A: The cleaning pulse lasts about 0.5–1 second and produces a sound level of approximately 70–80 dB at 1 meter, comparable to a typical vacuum cleaner. The normal operation is silent. -
Q: Does the unit require a dedicated compressed air supply?
A: For pulse-jet cleaning models, a compressed air line (6–8 bar) is required. For reverse-air models, the unit uses the HVAC system’s own airflow. Please specify your preference when ordering. -
Q: Can I use this pre-filter for outdoor installation?
A: The standard model is designed for indoor use (0–50°C). For outdoor applications, we recommend an optional weatherproof enclosure and heater kit to prevent condensation. -
Q: What is the warranty period?
A: We offer a 12-month warranty against manufacturing defects. Extended warranty plans are available upon request. -
Q: How do I clean the filter if the PLC fails?
A: The unit includes a manual override button to initiate a cleaning cycle. Additionally, the filter element can be removed and washed manually while the PLC is being serviced. -
Q: Is the filter media washable or disposable?
A: Both options are available. The standard stainless steel mesh media is washable and reusable. For higher efficiency, we can supply disposable synthetic media that is recyclable.
Why Choose Boli Hardware?
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a leading manufacturer of wire mesh and filtration products. With an annual export value of US$5 million to US$10 million, we have supplied to over 50 countries including the United States, Germany, Brazil, and Australia. Our factory is located in the “Wire Mesh Capital of China” – Hengshui, Hebei – giving us access to premium raw materials and skilled labor.
We adhere to strict quality control processes, from raw material inspection to final assembly testing. Each Automatic Pre-filter undergoes a 24-hour burn-in test before shipment. Our team of engineers can customize the PLC program, filter media, and housing dimensions to meet your project requirements. We also provide OEM/ODM services for clients who need their branding.
Ready to improve your HVAC system’s efficiency and reduce maintenance costs? Contact us today for a quote or technical consultation. We look forward to being your reliable partner in air filtration.
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