Customer Cases

1. Product Concept
The P.7-559 is a high-performance depth-loading pre-filter cartridge designed for primary particulate removal in industrial air and gas filtration systems. Its core function is to capture and retain coarse to medium-sized solid contaminants—such as dust, pollen, fibers, and airborne debris—through a multi-layer, porous media structure. Acting as the initial protective stage in multi-stage filtration setups, it effectively prevents premature loading and abrasive damage to downstream fine filters and sensitive equipment, ensuring sustained system reliability and operational efficiency.

2. Key Advantages & Features

• High Dust-Holding Capacity: Designed with deep-pleated, extended-surface media to maximize particulate retention, significantly prolonging service intervals in high-contaminant environments.

• Low and Stable Airflow Resistance: Engineered to provide minimal initial pressure drop and maintain consistent performance throughout its service life, reducing energy consumption and system strain.

• Robust Industrial Construction: Features a reinforced internal support core and durable polymer end caps to withstand mechanical stress, vibration, and variable operating pressures in demanding applications.

• Cost-Effective System Protection: Extends the operational lifespan of downstream filters—such as coalescers, HEPA filters, and carbon beds—and critical equipment, lowering overall maintenance and replacement costs.

• Wide Environmental Compatibility: Available in moisture-resistant, temperature-stable, and chemically compatible media formulations for reliable performance in diverse industrial and climatic conditions.

3. Primary Application Fields

• Compressed Air Systems: Pre-filtration for compressor intake air and protection of downstream dryers, aftercoolers, and precision filters across manufacturing and processing facilities.

• HVAC & Ventilation: Particulate removal in commercial and industrial air handling units, safeguarding heat exchangers, fans, and final-stage high-efficiency filtration systems.

• Engine & Turbine Intake Protection: Used in gas turbines, diesel generators, and large engine air intake systems within power generation, marine, mining, and heavy equipment sectors.

• Industrial Process Air Cleaning: Preliminary filtration in pneumatic conveying, material handling, powder processing, and industrial drying operations to reduce equipment wear.

• Multi-Stage Filtration Trains: Serves as the first-stage barrier in critical environments such as cleanrooms, laboratories, pharmaceutical production, and food & beverage processing facilities.

4. Common Models：

I-614C5TB

l-622C5TB

l-628C5TB

l-633C5TB

l-638C5TB

l-644C5TB

l-656C5TB

SO-424V5

SO-430V

SO-436V

SO-424V

SO-624VA

SO-630VA

SD-6333A

SO-640V

SO-644V

SO-648V

SD66W5S

SO-644VA5

SO-644V5

SO-648V5

SO-614VA5

SO-623VA5

SO624V5

SO-623VA5

SO624VA5

SO-630PV5

SO636PV5

SO640PV5

SO-644PV5

SO-633VA5

SO-640VA5

SO-644PV5

SO-644V5

SO-640V5

SO-644VA5

SO-644PV5

SO-646V5