Compressed Air Precision Filter

Compressed Air Precision Filter is excellent for cases where high-purity compressed air purification, removal of oil, water, dust and fine particulates are required.

Type:Gas Filter Brand:LEFILTER
Compressed Air Precision Filter

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Product Introduction

It serves as the primary-stage filtration device for compressed air that carries harmful substances such as dust, oil, rust and water. As auxiliary equipment for compressed air systems, it effectively removes unwanted and potentially harmful contaminants from compressed air, including aerosols, particulates and vapor. Particulates refer to fine solid particles such as dust, scale, metal particles from pipeline corrosion and pollen. Aerosols are small liquid droplets (i.e., oil and/or water, depending on the compressor type), while vapor refers to liquids that have been converted to gas.


Working Principle

  1. Compressed air carrying harmful substances such as dust, oil, rust and water enters the first-stage filtration unit of the Compressed Air Precision Filter.

  2. When the compressed air passes through the first-stage cylindrical mesh filter element, a coalescence effect occurs. Larger particles are adsorbed onto the filter material, while water vapor condenses into larger water droplets.

  3. The condensed water droplets and larger solid particles are separated under the action of centrifugal force and gravity, and are discharged through the automatic drain valve.

  4. The pre-filtered compressed air then enters the high-precision filter element for secondary purification, further removing fine particulates, residual oil mist and water droplets, finally outputting high-purity clean compressed air.

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Features

  1. Multi-stage precision filtration design, effectively removing dust, oil, water, rust and other contaminants in compressed air.

  2. Stainless steel shell structure, with excellent corrosion resistance and pressure resistance, suitable for various industrial environments.

  3. Efficient coalescence and separation technology, realizing efficient separation of liquid and solid impurities.

  4. Equipped with automatic drain valve, realizing automatic discharge of separated liquid without manual operation.

  5. Compact structure, small footprint, easy to install and integrate into existing compressed air pipelines.

  6. Low pressure drop design, minimizing energy loss during the filtration process and reducing operating cost.


Advantages

  • High-precision purification effect, can effectively remove oil mist, water droplets and fine particulates, ensuring the purity of compressed air.

  • Stainless steel material, with excellent corrosion resistance and long service life, suitable for high-demand industrial scenarios.

  • Automatic drainage function, realizing unattended operation and reducing daily maintenance workload.

  • Low pressure drop design, reducing energy consumption of the compressor and saving long-term operation cost.

  • Modular design, can be combined with other compressed air treatment equipment (such as dryers, filters) to form a complete purification system.

  • Wide application range, suitable for various industries with high requirements for compressed air quality.

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Product Technical Parameters

Parameter ItemStandard Specification Range
Flow Rate0.1m³/min ~ 100m³/min (customizable according to working conditions)
Working Pressure0.1MPa ~ 1.6MPa (customizable for high pressure conditions)
Filtration Precision0.01μm ~ 1μm (optional according to precision requirements)
Oil Removal Efficiency≥99.99% (residual oil content ≤0.01ppm)
Water Removal Efficiency≥99% (residual water content ≤0.01ppm)
Working Temperature-20℃ ~ 120℃
Shell Material304 stainless steel / 316L stainless steel
Filter Element MaterialBorosilicate microfiber / PTFE membrane / stainless steel mesh
Connection ModeFlange connection / threaded connection (standard GB / ANSI / JIS optional)
Drain Valve TypeAutomatic drain valve / manual drain valve
Design Life≥10 years

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