Backwash filter
The Backwash Filter is an advanced automatic filtration system designed to continuously remove suspended solids, impurities, and contaminants from pipelines while maintaining stable flow performance. Through an efficient backwashing process, the filter automatically cleans the filter element without interrupting system operation, reducing maintenance costs and improving equipment reliability.
Backwash filter
The Backwash Filter is widely used in water treatment, industrial circulation systems, cooling systems, and process pipelines where continuous filtration and high-efficiency impurity removal are required. It features automatic cleaning, low pressure loss, high filtration accuracy, and long service life.
We provide comprehensive OEM manufacturing and customization services, including customized filter sizes, body materials, filtration precision, control methods, connection standards, pressure ratings, and special designs according to customer requirements. Our products are manufactured under strict quality management systems with complete valve and filtration industry certifications, including ISO quality management, CE, PED, API, and other applicable international certifications to ensure reliable performance and global compliance.
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Backwash Filter |
| Product Type | Automatic Self-Cleaning Filter |
| Filtration Method | Automatic Backwashing Filtration |
| Nominal Size | DN25–DN1000 (Customized Available) |
| Pressure Rating | PN10–PN40 / Class 150–300 |
| Body Material | Carbon Steel, Stainless Steel, Cast Iron, Alloy Steel |
| Filter Element Material | Stainless Steel 304/316 |
| Filtration Accuracy | 5–500 Micron (Customized) |
| Connection Type | Flange, Thread, Welding |
| Control Mode | Automatic / Electric / Hydraulic / Pneumatic Control |
| Medium | Water, Industrial Fluids, Oil, Chemical Liquids |
| Working Temperature | -20°C to +450°C (Depending on Material Selection) |
| Cleaning Method | Automatic Backwash Cleaning |
| Drain Method | Automatic Waste Discharge |
| Power Supply | AC220V / AC380V / Customized |
| Sealing Material | EPDM, NBR, PTFE, Metal Seal |
| Design Standard | API, ASME, DIN, GB, JIS Standards |
| Inspection Standard | API 598 / EN 12266 |
| Installation Position | Horizontal or Vertical Pipeline Installation |
| Maintenance | Low Maintenance, Easy Filter Element Replacement |
Industry Applications
The Backwash Filter is widely applied in industries requiring continuous and efficient filtration, including:
Material customization plan
Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.
Structural optimization design
For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.
Interface standard adaptation
Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.
