Pre-Filter

The working principle of the pre-filter:

• The pre-filter is mainly used for water quality treatment through physical filtration. After the water enters the filter from the pipe, it will pass through the filter or filter element, the increased particles (such as sand, rust, etc.) will be intercepted, and the sucked water will flow into the next level of treatment device or directly into the household pipeline system. The pre-filter usually does not treat microorganisms, chemical solvents or heavy metals in the water, and its role is to provide an initial interception of large particles.

The main functions of the pre-filter:

• Access to large particulate matter, such as sediment, rust, suspended matter, etc., can prevent these from accidentally entering pipes, water purification equipment or appliances.
• Protect pipes and appliances: effectively reduce the corrosion and corrosion inside the pipeline, and extend the service life of household equipment such as water heaters, washing machines, dishwashers, etc.
• Reduce the burden of subsequent equipment: Through the lighting of the pre-filter, the pressure of the subsequent filter element of the water purifier is reduced and its service life is extended.
• Improve water quality: Although the pre-filter will not completely purify the water, it can make the water cleaner and reduce secondary pollution in the pipeline by filtering large particulate matter.

Pre-filter characteristics:

• Multi-layer filter structure: The pre-filter is usually made of stainless steel or other high-strength materials, and the filter is increased (generally 40-100 microns), which is specially designed to filter the increased particle size.
• Automatic flushing function: Many pre-filters have automatic or manual flushing function, which can regularly clean the filter screen, avoid clogging, and maintain the filtering effect.
• Consumables consumption: Unlike the water purifier, the pre-filter does not require frequent replacement of the filter element, and usually only needs regular cleaning, which reduces the cost.
• Installation: The front filter is generally installed in the front of the household water pipe, which is simple to install and does not occupy too much space.

Application scenarios of the pre-filter:

• Home water system: As the first line of defense for home water, pre-filters protect water purification equipment, pipes and household appliances.
• Industrial water: In some industrial or industrial environments, pre-filters can be used to interface large water purification systems or water supply systems to protect equipment containers from large particulate matter.
• Rural or well water systems: For areas that rely on well water or water quality contaminants, pre-filters can effectively remove sediment and disruption from groundwater.

Key points to buy pre-filter:

• Filtration accuracy: Choose the filtration accuracy suitable for your own quality, the common filtration accuracy range is 40-100 microns, the higher the accuracy, the better the filtration effect.
• Material and durability: The filter material is generally made of stainless steel, corrosion resistance, strong pressure resistance, suitable for long-term use. The housing material should also be pressure resistant and durable.
• Cleaning method: Choose a pre-filter with automatic backwash function to reduce the frequency of manual cleaning and make maintenance easier.
• Flow size: Select the appropriate pre-filter according to the household water consumption to ensure that the filter will not affect the daily water supply flow.

Pre-filter maintenance:

• The pre-filter itself does not require frequent replacement parts, but the filter needs to be cleaned regularly to ensure its normal operation. Most pre-filters have a backwash function, which can automatically clean the manual screen under the action of water pressure, reducing the trouble of manual maintenance.

In general, the pre-filter is a simple and effective primary filtration equipment, which can conduct preliminary treatment of water quality in the front of the water purification system, protect the subsequent water purification equipment and pipeline system, extend the life of the equipment, and reduce maintenance costs.