P537791 donaldson engine air filter is used to remove water, particles, and harmful gases from the air to ensure qualified air quality standards. The pre-filter layer uses polyester fiber non-woven fabric to intercept hair and large dust particles and extend the life of the main filter. The main filter material of the P537791 air filter is H13 grade glass fiber HEPA filter paper. The pleated design increases the filter area and supports two-way airflow. The outer shell is made of ABS environmentally friendly plastic, which is corrosion-resistant and anti-aging.
Technical Data: • Nominal Filter Performance: ≥99.97%@0.3μm • Max Applicable temperature range: 95℃ • Filter accuracy range: 0.2-25μm • Collapse Rating: 75psid • Dirty capacity: ≥500g • Life Cycle: 4500~6000h • Filtration area: ≥25.8m² • Initial saturation pressure drop: ≤0.02MPa • Sealing material selection: Viton or nitrile rubber • CADR Flow Velocity: 2000m³/h-4500m³/h(Actual working conditions) • Material:Glass fiber filter,HEPA Pleated layers,stainless steel frame
Test Data: P537791 donaldson air filter we produce have actual measured ventilation volume and resistance curves. 
Filter Material: P537791 donaldson engine air filter is made of imported glass fiber filter material folded through a multi-layer composite filter structure, providing a large filtration area, ensuring stable performance under high pressure difference environment, and intercepting particulate pollutants as small as 5 microns. • Anti-mildew and antibacterial: corrosion-resistant, resistant to most acids, alkalis and organic solvents. • Dimensional stability: low thermal expansion coefficient, small deformation under high temperature or humidity changes. • Microporous structure: the fibers are interwoven to form uniform pores, with low resistance and interception of fine particles. 
Application Scenario: ✅ Medical-grade air filtration system ✅ Industrial waste gas treatment equipment ✅ PM2.5 air purifier ✅ Low-resistance air filter ✅ Air intake system purification for excavators and loaders ✅ Air purification for spraying workshops and food processing
FAQ: Q: Does it support non-standard customization? A: The filtration accuracy, interface size and shell material can be customized.
Q: P537791 air filter replacement cycle? A: Under normal working conditions, it is recommended to be 6-12 months, which actually depends on the degree of medium contamination.
Q: What is the shelf life of the P537791 air filter element? A: Usually 3 years, but the storage conditions will affect the actual service life. It should be stored in a dry and dark environment.
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