Back-Flushing Filters: The Cutting-Edge Solution for Efficient Water Filtration
Introduction
Lefilter Back-Flushing Filters have emerged as a novel, sophisticated solution in the domain of water filtration, propelling the industry towards a future of automated, efficient, and self-cleaning systems. As a core element of a backwash filter system, Back-Flushing Filters have carved out a unique niche, providing a streamlined solution for maintaining filter longevity and maximizing water treatment efficiency.
Working Principle
At the heart of the Lefilter Back-Flushing Filter is the backwash process. This process involves reversing the flow of water, known as backwash water, through the filter to dislodge and flush out trapped contaminants. Some designs, such as the automatic backwash filters, use a timer or pressure drop sensor to initiate the backwash cycle automatically. Meanwhile, manual backwash water filters require manual intervention to start the process.

Materials and Components
Lefilter Back-Flushing Filters typically comprise robust, corrosion-resistant materials, such as stainless steel or plastic, to withstand the rigors of regular backwashing. The backwash filter may feature multiple filter screens with varying mesh sizes, enhancing its filtration capabilities. Furthermore, automatic backflush filters incorporate additional components like pressure sensors and control valves to automate the backwashing process.

Technical Parameters
Model | Tank specification | Inlet / Outlet | Maximum flow t/h | Pressure | Control mode | Material |
LFFC-80-2.0 | Φ133 | DN80 | 25 | 10 | Manual | Q235B |
LFFC-100-2.0 | Φ159 | DN100 | 50 | 10 | Manual | Q235B |
LFFC-125-2.0 | Φ219 | DN125 | 120 | 10 | Manual | Q235B |
LFFC-150-2.0 | Φ273 | DN150 | 160 | 10 | Manual/automatic | Q235B |
LFFC-200-2.0 | Φ325 | DN200 | 300 | 10 | Manual/automatic | Q235B |
LFFC-250-2.0 | Φ426 | DN250 | 430 | 10 | Manual/automatic | Q235B |
LFFC-300-2.0 | Φ480 | DN300 | 600 | 10 | Manual/automatic | Q235B |
LFFC-350-2.0 | Φ530 | DN350 | 850 | 10 | Manual/automatic | Q235B |
LFFC-400-2.0 | Φ630 | DN400 | 1100 | 10 | Manual/automatic | Q235B |
LFFC-450-2.0 | Φ700 | DN450 | 1400 | 10 | Manual/automatic | Q235B |
LFFC-500-2.0 | Φ800 | DN500 | 1800 | 10 | Manual/automatic | Q235B |
LFFC-600-2.0 | Φ900 | DN600 | 2200 | 10 | Manual/automatic | Q235B |
Housing: carbon steel, 304 stainless steel, 316L stainless steel
Filter screen: 304 stainless steel, 316L stainless steel
Brush holder: 304 stainless steel, 316L stainless steel
Blowdown valve: cast iron, stainless steel
Controller: Copper
Sealing ring: PTFE
Customized according to different working conditions

Quality Standards
Lefilter Back-Flushing Filters, like all water treatment equipment, must adhere to strict international quality standards. These standards, upheld by regulatory authorities, ensure the product's efficiency, safety, and environmental compliance, among other aspects. It's important to source products from Lefilter who prioritize these quality benchmarks.
Application and Use
Lefilter Back-Flushing Filters find extensive use across industries and domestic setups, wherever water purification is needed. From municipal water treatment plants employing backwashing in water treatment, to residential buildings utilizing an outdoor water filter auto backwash system, Back-Flushing Filters provide an efficient solution for various filtration needs.

Environmental Benefits
Lefilter Back-Flushing Filters contribute significantly to environmental sustainability. By maintaining clean filter screens without requiring replacement elements, they reduce waste associated with disposable cartridges. Additionally, advanced systems optimize the backwash cycle to minimize water consumption, preserving precious resources.
Customization and Adaptability
We Lefilter offer customized solutions to cater to specific filtration requirements. Whether it's a filter with unique mesh size for a specific industry or an auto backflush filter system tailored for a particular application, these customizable options enhance adaptability across diverse applications.

Comprehensive Guide
Regular maintenance and correct usage are vital to maximizing the lifespan and performance of Back-Flushing Filters. We Lefilter typically provide comprehensive guides, outlining the installation process, maintenance schedule, troubleshooting steps, and safety precautions.
Troubleshooting
While Back-Flushing Filters are designed for minimal maintenance, occasional issues may arise, such as reduced water flow or incomplete backwashing. In such cases, troubleshooting measures may involve inspecting the filter for clogs or damage, checking the control settings on automatic models, or consulting us if problems persist.

Future
Back-Flushing Filters: Foreseeing the Evolution of Water Filtration Systems
In our rapidly evolving world, the future of water filtration technology is as intriguing as it is promising. At the forefront of these transformations are Back-Flushing Filters, increasingly hailed as the next-generation solution in water purification. As we cast our gaze to the horizon, it becomes evident that advancements in material science, automation, digitalization, and sustainability will shape the future of these innovative filters.
Anticipating Material Advancements
The future of Back-Flushing Filters will likely witness significant material advancements. While current filters predominantly employ stainless steel and plastic components, we can envisage the utilization of novel materials with superior durability, corrosion resistance, and ecological footprint.
Nanotechnology holds promising potential, offering materials with heightened filtration capabilities. Advanced nanomaterials embedded within filter screens could dramatically enhance filtration efficiency, even at the smallest particulate levels, without incurring a substantial pressure drop. Moreover, these materials might resist biofouling and chemical degradation, thereby extending the longevity of Back-Flushing Filters and reducing maintenance demands.
Automation and AI Integration
In an era increasingly steered by automation and artificial intelligence, it is plausible to predict that these elements will shape the future of Back-Flushing Filters. Future filters could come equipped with smart sensors and sophisticated AI algorithms to optimize the backwashing cycle.
By intelligently analyzing factors such as water quality, filter performance, and usage patterns, these filters could initiate backwashing only when required, thereby conserving water and energy. Furthermore, they might predict potential malfunctions or system failures before they occur, enabling preventative maintenance and minimizing system downtime.
Digitalization and IoT
Digitalization, and in particular, the Internet of Things (IoT), will likely play a central role in the future of Back-Flushing Filters. We can envisage future filters seamlessly integrating with other smart devices in homes, businesses, and municipal systems.
These IoT-enabled filters might offer real-time monitoring and analytics, providing users with insightful data on water quality, filter performance, and system efficiency. They could even be remotely controlled via smartphones or other connected devices, offering unparalleled convenience and control over water filtration processes.
Sustainability and Circular Economy
As sustainability continues to influence global industry trends, the future of Back-Flushing Filters will undoubtedly be molded by green principles. Anticipated advancements could encompass the development of biodegradable or recyclable components, alignment with circular economy models, and the reduction of waste associated with disposable cartridges.
Moreover, next-generation Back-Flushing Filters might optimize the backwash cycle, conserving water without compromising the filtration process. We could also envisage the development of energy-efficient systems, further contributing to global sustainability goals.
Wrapping Up
The future of Back-Flushing Filters, while challenging, promises immense potential and exciting breakthroughs. By harmonizing advancements in material science, automation, digitalization, and sustainability, these innovative filters stand poised to redefine water filtration technology. As we navigate this exciting era of technological revolution, Back-Flushing Filters are likely to continue playing a pivotal role in ensuring access to clean, safe water, thus securing a healthier future for all.
