Heavy Duty Air Filters (Heavy Duty Filter Elements)
Filters designed for harsh working conditions, dusty environments, and heavy industrial applications
What Are Heavy Duty Filters?
Heavy Duty filters, also known as “heavy-service filters,” refer to a group of industrial and automotive filters specifically designed and manufactured for demanding, dusty, high-load, and difficult operational conditions. These filters are typically used in heavy machinery, commercial vehicles, mining and construction equipment, agricultural machines, industrial machinery, and large diesel engines, as well as almost all industries such as oil, gas, and petrochemicals.
Common Applications
- Heavy trucks and trailers such as Volvo, Scania, Mercedes-Benz, MAN
- Construction and mining machinery such as excavators, loaders, dump trucks, graders
- Agricultural equipment such as tractors and combine harvesters
- Industrial diesel generators
- Port equipment and hydraulic machinery
- Air compressors
- Turbines
- All types of diesel engines
Key Features of Heavy Duty Filters
- Very high dust holding capacity
- Excellent mechanical strength against pressure and vibration
- Longer service life compared to standard filters
- High filtration efficiency (typically 99.9% or higher)
- Advanced filtration media including reinforced cellulose, polyester, nanofiber, etc.
- Ability to operate under high temperature and humidity
Why Are Heavy Duty Filters Important in Compressors?
Compressors typically operate in industrial environments where dust, sand particles, industrial fibers, and airborne contaminants are abundant. Standard filters quickly become saturated in such conditions and cause high pressure drop. Heavy Duty filters are specifically engineered for these harsh environments, allowing the system to operate stably, safely, and efficiently even under severe conditions.
Technical Differences Between Heavy Duty and Standard Filters
Contaminant Holding Capacity
Heavy Duty: Absorbs large amounts of contaminants without losing performance
Standard: Lower capacity and faster saturation
Mechanical Strength
Heavy Duty: Suitable for high suction pressure and severe vibration
Standard: Risk of deformation under harsh conditions
Media Type
Heavy Duty: Multi-layer, reinforced media
Standard: Single-layer, simpler media
Pressure Drop
Heavy Duty: Controlled pressure drop
Standard: Pressure drop rises quickly with contamination
Relevant Standards
EN 779 Standard
This older standard classified filters based on particle removal efficiency at 0.4 microns, including the G, M, and F classes.
ISO 16890 Standard
The modern global standard based on actual performance for particle sizes ePM10, ePM2.5, and ePM1. This is the most accurate criterion for selecting industrial filters.
Why Sepanta Palaye Pars?
Sepanta Palaye Pars is one of the few domestic manufacturers capable of designing and producing various filters and separators in accordance with global standards. The company is an OEM supplier for compressor manufacturers and diesel engine producers and is capable of producing replacement filters for major global brands.
- Ability to design and manufacture in any size and model
- Production in economic, industrial, and Heavy Duty grades
- Recognized domestic OEM manufacturer
- Step-by-step quality control
- Full compliance with EN 779 and ISO 16890 standards
- Manufacturing replacement filters for global brands
