Basket strainers are small devices used to remove small amounts of solidparticles from liquids, protecting compressors, pumps, instruments, andother equipment from damage.
When the fluid enters the filterhousing with a specific mesh size, impurities are blocked, and the cleanfiltrate is discharged from the filter outlet. When cleaning is required,the removable filter basket can be easily removed, cleaned, andreinserted. Therefore, operation and maintenance are extremelyconvenient. Currently, UNITE basket strainers are widely used in thepetroleum, chemical, pharmaceutical, food, and environmentalprotection industries. Installing them in series at the pump inlet or otherparts of the system pipeline can extend the service life of pumps andother equipment while ensuring the safety of the entire system.
Blue filter media with perforations ranging from 1/32” to 1” aresuitable for fine filtration applications and are available with 20 to 400mesh liners.
High-efficiency filtration: Capable of removing solid particles from liquidsor gases, ensuring fluid quality.
Easy operation: The filter element can be easily removed and cleaned,facilitating maintenance and replacement.
High-capacity processing: Suitable for handling large volumes of liquidsor gases, meeting large-scale industrial demands.
Low pressure drop: The pressure loss generated when fluid passesthrough the basket filter is low, reducing energy consumption.
Inlet: The liquid or gas to be filtered enters the basket filter through apipe.
Filtration Process: The fluid passes through the basket filter screen; solidparticles and impurities are retained by the screen, and the clean fluidcontinues to flow out through the screen.
Clean Fluid Outlet: The filtered liquid or gas is discharged through theoutlet and enters the downstream system or application.
Filter Cake Formation: As filtration progresses, solid particles graduallyaccumulate on the filter screen, forming a filter cake.Cleaning: When the accumulation of impurities reaches a certain level,the filter screen can be removed for cleaning or replaced as needed.
1. Before Use:
Understand Your Fluid and Impurities: Identify the specific liquid or gas you intend to filter, as well as the size range of the impurities present within it.
Select the Right Filter: Choose the appropriate filter and filter basket based on the impurity size requiring removal, the required flow rate, and the characteristics of the fluid.
2. During Installation:
Choose the Correct Location: Install the filter in an easily accessible area that facilitates convenient cleaning, and position it upstream—immediately before—the equipment requiring protection.
Verify Flow Direction: Ensure that the liquid or gas flows into and out of the filter in strict accordance with the direction indicated by the arrow on the unit.
Install Pressure Gauges and Bypass Valves: Mount pressure gauges both upstream and downstream of the filter to monitor for potential clogging; additionally, install a bypass valve to allow for uninterrupted system operation during cleaning procedures.
Install a Drain Valve: Install a valve at the bottom of the filter housing to facilitate the convenient discharge of accumulated impurities.
3. During Operation:
Monitor Differential Pressure: This is the most critical aspect. Record the baseline pressure differential when the filter basket is clean. Cleaning is required when the pressure differential increases significantly, indicating a blockage.
Maintain Stable Flow Rate: Ensure that the liquid or gas flows through the filter at a normal, steady velocity, avoiding excessive flow rates.
Perform Periodic Draining: If the fluid contains a high concentration of impurities, periodically open the bottom drain valve to discharge accumulated debris.
4. During Maintenance:
Clean or Replace the Filter Basket:
When the pressure differential reaches the predetermined threshold, close the isolation valves and drain the filter housing.
Open the cover, remove the filter basket, and clean it thoroughly (or replace it with a new one).
Inspect the filter basket for any signs of damage.
Reassemble the unit, ensuring that the sealing gasket (O-ring) is intact and properly seated.
Inspect the Sealing Gasket: Periodically check the gasket on the filter cover for signs of aging or damage; replace it as necessary to prevent leaks.
Check for Corrosion: Inspect the filter housing itself for any signs of rust or corrosion.
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