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WENK Pneumatic QSL Series Air Filter
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WENK Pneumatic QSL Series Air Filter

The QSL series air filter by WENK Pneumatic is a high-quality pneumatic component designed to provide clean, dry compressed air for various industrial applications. Constructed with a durable aluminum alloy body and transparent polycarbonate bowl, this filter effectively removes moisture, oil, and solid particles from compressed air systems.

Featuring a cyclone blade design for efficient moisture separation and a precision filter element with 50-70μm filtration accuracy, the QSL series ensures reliable performance with a water separation efficiency of ≥85%. The transparent bowl allows for easy monitoring of accumulated water, while the manual drain valve facilitates convenient maintenance.

Available in multiple sizes from QSL-6 to QSL-50 with port sizes ranging from 1/8" to 2", the QSL series offers versatility for different flow requirements. Operating at temperatures between 5-60°C and pressures up to 0.8MPa, this air filter is suitable for use in general pneumatic systems, air compressors, and various industrial equipment.

The QSL series air filter is an essential component for maintaining the longevity and efficiency of pneumatic tools and equipment by preventing contamination and ensuring optimal air quality.

    Product Detail

    Working Media

    Cleaned Air

    Working Pressure

    0.8Mpa

    Proof Pressure

    1.5Mpa

    Working Temperature Range

    5℃~60℃

    Bowl Material

    PC Material

    Body Material

    Aluminum Alloy

    QSL Air Filter User Guide

    QSL(1)

    1. Product Introduction

    The QSL series air filter is a high-quality pneumatic component manufactured by WENK Pneumatic, primarily designed to provide clean, dry compressed air for pneumatic systems. This series of filters utilizes advanced cyclone separation technology and precision filter elements to effectively remove moisture, oil, and solid particles from compressed air, protecting pneumatic tools and equipment from contamination damage.

    Features of the QSL series air filter:

    • Uses cyclone blades to separate water and heavy impurities, with copper powder sintered sleeve or plastic sintered sleeve micropores to trap dust
    • Large flow area, low pressure drop, high water separation efficiency (≥85%)
    • Transparent polycarbonate cup for pressure resistance and easy observation of accumulated water
    • Aluminum alloy valve body, waterproof and corrosion resistant, not easily deformed or worn
    • Multiple specifications available (QSL-6 to QSL-50) to meet different flow requirements
    • Simple structure, easy maintenance, widely applicable
    QSL(2)

    2. Installation Instructions

    2.1 Preparation Before Installation

    • Confirm that the filter model and specifications meet the usage requirements
    • Check that the filter appearance is intact without damage or rust
    • Prepare necessary installation tools and accessories
    • Ensure the installation environment is clean, free of dust and impurities
    • Confirm the direction of the inlet and outlet ports, usually marked with arrows on the filter

    2.2 Installation Steps

    1. Choose a suitable installation location, preferably after the air compressor and before pneumatic equipment
    2. Ensure the filter is installed in the correct direction, with the inlet connected to the compressor and the outlet connected to the pneumatic equipment
    3. Use appropriate sealing material (such as Teflon tape) to wrap the threads to avoid leakage
    4. Tighten the filter with suitable tools, paying attention to moderate torque to avoid thread damage from over-tightening
    5. After installation, check that all connections are secure and leak-free

    2.3 Installation Notes

    • The filter should be installed in a position that is easy to inspect and maintain
    • Avoid installing in environments with direct sunlight, high temperature, or excessive vibration
    • Ensure there is enough space around the filter for drainage and maintenance
    • For large flow systems, it is recommended to install a bypass system for maintenance without affecting normal operation
    • If the ambient temperature is below 0°C, take anti-freezing measures

    QSL(3)

    3. Operating Instructions

    3.1 Basic Operation

    • Slowly open the inlet valve to allow compressed air to gradually enter the filter
    • Observe the working status of the filter and check for leaks
    • Regularly check the accumulated water in the transparent cup and drain it in time
    • Pay attention to the pressure drop of the filter; if the pressure drop is too large, clean or replace the filter element in time

    3.2 Operating Notes

    • Avoid using the filter beyond the maximum working pressure to prevent damage
    • The working environment temperature should be maintained within the range of 5-60°C
    • Drain accumulated water regularly, it is recommended to drain at least once a day, or increase the frequency according to usage
    • Avoid suddenly closing or opening valves to prevent pressure shock from damaging the filter
    • If not used for a long time, close the inlet valve and release the compressed air in the filter

    QSL(4)

    4. Maintenance

    4.1 Daily Maintenance

    • Regularly inspect the filter appearance and keep it clean
    • Check if the connection parts have leaks
    • Observe the accumulated water in the transparent cup and drain it in time
    • Check if the filter element is clogged; if the pressure drop is too large, handle it in time

    4.2 Regular Maintenance

    • Check the filter element every three months; if severe contamination is found, replace it in time
    • Conduct a comprehensive inspection and cleaning of the filter every six months
    • Check if the transparent cup has cracks or aging; if so, replace it in time
    • Check if the drain valve works normally; if there is a fault, repair or replace it in time

    4.3 Maintenance Notes

    • During maintenance, close the inlet valve and release the compressed air in the filter
    • Use original accessories when replacing the filter element to ensure filtering effect
    • Use neutral detergent when cleaning the filter, avoid using corrosive solvents
    • Ensure correct installation when installing a new filter element to avoid leakage
    • Conduct a test run after maintenance to ensure the filter works normally

    QSL(5])

    5. Troubleshooting

    5.1 Common Faults and Solutions

    1. Excessive pressure drop

      • Clogged filter element: Clean or replace the filter element
      • Flow exceeds the rated value of the filter: Replace with a larger filter
    2. Decreased water separation effect

      • Filter element failure: Replace the filter element
      • Incorrect installation direction: Check and correct the installation direction
      • Unstable flow: Check if upstream equipment is working normally
    3. Leakage

      • Damaged seal: Replace the seal
      • Loose threaded connection: Tighten the connection part
      • Crack in transparent cup: Replace the transparent cup
    4. Transparent cup rupture

      • Excessive pressure: Check if the pressure exceeds the rated value
      • Aging or external impact: Replace the transparent cup and install a protective cover

    5.2 Troubleshooting Process

    1. Confirm the fault phenomenon
    2. Check the working pressure and flow of the filter
    3. Check the status of the filter element and transparent cup
    4. Check if there is leakage in the connection parts
    5. If the problem persists, contact WENK Pneumatic technical support

    Our Commitments & Core Advantages

    1. We are a factory specializing in the production of pneumatic components, with mature manufacturing experience and technology.
    2. We manufacture and supply a wide range of series and specifications of air cylinders and pneumatic components, providing you with flexible options.
    3. We can undertake the customization business of various pneumatic components according to the specific needs of customers.
    We adhere to the service concept of efficiency and thoughtfulness, making you feel comfortable throughout the cooperation process, just as smooth as cooperating with a close friend.
    QSL空气过滤器

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