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**Product Specifications:**
- **Model No.:** YLF-250
- **Material:** Carbon Steel / Stainless Steel (304, 316L)
- **Working Pressure:** Less than 1.0 MPa
- **Working Temperature:** Less than 100°C
- **Pressure Loss:** Less than 0.015 MPa
- **Filtering Precision:** 100–3000 Micron
- **Interface:** Flange
- **Flow Rate:** 280 m³/h
- **Inlet and Outlet Diameter:** 10 inches
- **Drain Diameter:** 3 inches
- **Trademark:** YLD
- **Specification:** CE, SGS
- **Origin:** Jiangyin, Jiangsu
- **HS Code:** 8421219990
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**200 Micron Online Backwashing / Self-Cleaning Stainless Steel Water Strainer**
The **YLF-250** is a high-performance self-cleaning stainless steel water strainer designed for industrial and commercial applications. It features an advanced multi-core self-cleaning system that ensures efficient and continuous filtration without interrupting the flow.
### **Key Design Features:**
1. **True Self-Cleaning Mechanism:** The internal mechanical structure allows for thorough backwashing of the filter elements, eliminating dead zones and ensuring consistent filtration efficiency and long service life.
2. **High-Quality Filter Elements:** Made from 304 or 316L stainless steel, these wedge-shaped filters offer excellent strength, precision, and corrosion resistance. The filtering precision can be adjusted up to 250 microns.
3. **Low Maintenance:** With minimal wear parts and no consumables, this system reduces maintenance costs and simplifies operation.
4. **Flexible Control System:** The control system allows users to adjust backwashing pressure and time based on the water source and required filtration level, ensuring optimal performance.
### **Introduction:**
This self-cleaning filter is equipped with metal filter cartridges that automatically clean themselves when clogged. During the filtration process, water enters the filter from both ends. When it's time for backwashing, the top end partially opens, allowing the filtered water to flush out through the bottom, effectively removing accumulated impurities.
It offers a large filtration area, high flow rate, compact design, and high reliability, making it ideal for high-flow and dirty water filtration. The filter is available in two sub-series:
- **M Series:** For low flow rates or filtration above 300 microns.
- **S Series:** For finer filtration below 300 microns.
The single unit flow rate ranges from 5 to 3000 m³/h, with inlet and outlet sizes from 2" to 24". This makes it suitable for a wide range of applications, including industrial cooling systems, water treatment, and more.
### **Working Principle:**
During the **filtration phase**, water enters through the inlet, flows through the distribution pipe, and then into the filter elements from both ends. Impurities are trapped on the surface of the elements, causing a gradual increase in pressure drop. When the preset threshold is reached, the **backwashing process** begins.
The GEAR motor drives the cleaning arm to target one element, sealing the top end and connecting the bottom to the discharge nozzle. The differential pressure causes the filtrate to backwash the element, dislodging the filter cake and flushing it into the sewage pipe. Once one element is cleaned, the process repeats for the next, ensuring all elements are thoroughly cleaned.
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**Technical Data Table:**
| Model | Flow (m³/h) | Inlet/Outlet (mm) | Drain (mm) | D (mm) | H (mm) | H1 (mm) | H2 (mm) |
|----------|-------------|-------------------|------------|--------|--------|---------|---------|
| YLF-50 | 70 | DN50 | DN50 | 300 | 1690 | 265 | 640 |
| YLF-80 | 80 | DN80 | DN50 | 350 | 1720 | 265 | 660 |
| YLF-100 | 120 | DN100 | DN50 | 400 | 1760 | 265 | 680 |
| YLF-200 | 200 | DN200 | DN80 | 500 | 1860 | 290 | 715 |
| YLF-250 | 280 | DN250 | DN80 | 600 | 1930 | 290 | 755 |
| YLF-300 | 450 | DN300 | DN100 | 700 | 2040 | 335 | 755 |
| YLF-350 | 600 | DN350 | DN100 | 800 | 2105 | 335 | 770 |
| YLF-400 | 800 | DN400 | DN100 | 1000 | 2220 | 335 | 800 |
| YLF-500 | 1000 | DN500 | DN100 | 1200 | 2360 | 365 | 825 |
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**Frequently Asked Questions (FAQ):**
1. What is the flow rate (m³/h) you require for this equipment?
2. What material would you prefer for the filter—carbon steel or stainless steel (SS304/SS316)?
3. What is the filtration degree—10 micron or 200 micron?
4. What is the power supply in your country—220V/60Hz or other?
Whether you're looking for a reliable solution for industrial water filtration, coolant purification, or any other application requiring continuous, automated cleaning, the **YLF-250** is a smart choice. Its combination of durability, efficiency, and ease of use makes it an ideal option for businesses seeking to reduce downtime and maintenance costs.