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Help CenterAutomatic 304 Stainless Steel Pre-treatment Filter With 200 Micron Mesh, 10 Bar Pressure Rating, and Backwash Function
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Boli Hardware Wiremesh Products Factory, established in 1998 and headquartered in Hengshui, Hebei, China, is a professional manufacturer specializing in filtration solutions. Our Automatic 304 Stainless Steel Pre-treatment Filter with 200 Micron Mesh, 10 Bar Pressure Rating, and Backwash Function is designed to deliver reliable, low-maintenance solid-liquid separation for commercial and industrial water pre-treatment systems. With an annual export value exceeding US$5 million and shipping ports available in Tianjin, Qingdao, Shanghai, and Foshan, our products are trusted by clients across North America, South America, Europe, Asia, Africa, and Oceania.
This filter combines robust 304 stainless steel construction with a 200 micron wedge wire or mesh screen, ensuring efficient removal of suspended solids, sand, silt, and other particulates. The automatic backwash mechanism cleans the filter element without interrupting the flow, reducing manual intervention and downtime. Rated at 10 bar (145 psi), it is suitable for medium-pressure water systems in agriculture, irrigation, food processing, chemical industry, and municipal water supply.
Key Features & Technical Specifications
- Material: Full 304 stainless steel body and screen – corrosion-resistant, durable, and food-grade compliant.
- Filtration Precision: 200 micron (0.2 mm) mesh – effectively traps particles while maintaining high flow rates.
- Pressure Rating: 10 Bar (145 PSI) – designed for medium pressure pipelines.
- Backwash Function: Automatic self-cleaning cycle triggered by pressure differential or timer – no need to stop the process.
- Connection Options: Flanged (ANSI/DIN/JIS) or threaded (NPT/BSP) – customizable to match existing piping.
- Flow Capacity: Varies by size; typical range from 10 m³/h to 200 m³/h (larger units available).
- Operating Temperature: 0°C to 80°C (higher temperature versions available upon request).
- Minimal Pressure Loss: Low initial pressure drop due to optimized screen design.
- Easy Maintenance: Cartridge or screen removal without special tools; backwash water consumption is low.
| Model | Inlet/Outlet Size | Max Flow (m³/h) | Backwash Volume |
| BL-200-2 | 2" (DN50) | 20 | ~1% of total flow |
| BL-200-4 | 4" (DN100) | 60 | ~1.5% of total flow |
| BL-200-6 | 6" (DN150) | 120 | ~2% of total flow |
| BL-200-8 | 8" (DN200) | 200 | ~2.5% of total flow |
Benefits for Your Operations
- Reduced Downtime: Automatic backwash eliminates manual cleaning, keeping your system running continuously.
- Protection of Downstream Equipment: Removes coarse particles before they reach pumps, valves, heat exchangers, or membrane systems.
- Lower Water Waste: Backwash consumes only a small percentage of the main flow, making it eco-friendly.
- Corrosion Resistance: 304 stainless steel withstands aggressive water conditions and chemicals.
- Customizable Options: Available with different connection types, screen materials (e.g., 316L), and automation levels (PLC, remote monitoring).
- Long Service Life: Robust construction and simple design minimize maintenance needs.
Trust & Reliability from Boli Wiremesh
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a leading manufacturer of wire mesh and filtration products, exporting US$5–10 million annually to over 20 countries. Our factory is located in Hengshui, Hebei – the wire mesh capital of China – ensuring access to premium raw materials and skilled labor. We ship from multiple ports (Tianjin, Qingdao, Shanghai, Foshan) to anywhere in the world. Every filter undergoes rigorous quality testing before dispatch. We offer technical support, replacement screens, and spare parts for all models. Choose Boli for a reliable partner in water filtration.
Frequently Asked Questions
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Q: What is the working principle of this automatic backwash filter?
A: Water enters the filter and passes through the 200 micron mesh. Particles are trapped on the screen. When the pressure differential reaches a preset value (or on a timer), the backwash valve opens, and a portion of the water flows in reverse to clean the screen, flushing debris out through the drain. The filtration continues uninterrupted. -
Q: Can the filter handle hot water or aggressive chemicals?
A: The standard 304 stainless steel model is suitable for water up to 80°C. For higher temperatures or corrosive fluids, we can supply 316L stainless steel or special coatings. Contact us with your specific fluid parameters. -
Q: What maintenance is required?
A: Minimal maintenance is needed. Periodically check the control unit, clean the backwash valve, and inspect the screen for damage. Replacement screens are available as spare parts. The automatic backwash keeps the filter clean for most applications. -
Q: What is the typical lifespan of the filter?
A: With proper use and maintenance, the 304 stainless steel body and screen can last 10–15 years or more. The control components (solenoids, timers) may need replacement after 5–8 years depending on usage. -
Q: Can I customize the micron rating or connection size?
A: Yes, we offer custom filtration precision from 50 micron to 1000 micron, and sizes from DN25 to DN400. Connection types include flanged, threaded, or tri-clamp for food industry. Just let us know your requirements. -
Q: Do you provide international certifications?
A: Our products are manufactured according to general industrial standards. Specific certifications such as CE, WRAS, or NSF can be provided upon request for an additional cost. Please inquire with your target market. -
Q: What is the backwash water consumption?
A: Typically between 1% and 3% of the total flow, depending on the model and water quality. This is lower than many conventional sand filters. -
Q: How long is the warranty period?
A: We offer a standard 12-month warranty against manufacturing defects. Extended warranty options are available upon request.
Contact Boli today for a quote or technical consultation. Our team is ready to help you select the right pre-treatment filter for your system.
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