Product Overview
Fine EPA HEPA Gas Turbine Filter Media is a comprehensive filtration solution engineered for gas turbine intake systems requiring variable levels of protection against airborne contaminants. This media family spans a wide performance spectrum, from fine dust capture to HEPA filtration, enabling turbine operators to select the appropriate efficiency level based on their specific environmental conditions and operational requirements.
The media construction incorporates multiple fiber technologies working in concert. Glass fibers provide the structural backbone for high-efficiency particle capture, while synthetic fibers contribute mechanical resilience and processing versatility. A specialized binder system holds these components together without compromising the media's natural flexibility or its ability to accept deep corrugation during filter element manufacturing.
Fine Efficiency Range:
| Parameter | Specification Range |
| Filtration Efficiency | ePM1 70% – 85% (ISO 16890) / T8 – T9 (ISO 29461-1) |
| Basis Weight | 78 g/m² |
| Thickness | 490 – 500 μm |
| Pressure Drop (@ 8.5 cm/s) | 38 – 68 Pa |
| MD Tensile Strength | 1,500 – 2,100 N/m |
| MD Stiffness | 0.9 – 1.1 g |
EPA/HEPA Efficiency Range:
| Parameter | Specification Range |
| Filtration Efficiency | T10 – T13 (ISO 29461-1) / E10 – H13 (EN 1822) |
| Basis Weight | 72 – 115 g/m² |
| Thickness | 400 – 670 μm |
| Pressure Drop (@ 6.5 cm/s) | 93 – 315 Pa |
| MD Tensile Strength | 1,200 – 2,100 N/m |
| MD Stiffness | 1.0 – 1.6 g |
Product Features
Fine EPA HEPA Gas Turbine Filter Media delivers multi-tier particle capture through its full efficiency spectrum, enabling turbine operators to match protection levels with specific environmental challenges.
Efficiency Selection Flexibility: This fine to hepa gas turbine filter sheet series offers discrete performance tiers from fine dust removal to sub-micron particle retention. Operators can choose ePM1 70% grade for standard fine protection or H13-rated media for applications requiring HEPA filtration, eliminating over-specification or under-protection.
Multi-Fiber Composition: Glass fibers form the primary capture network while synthetic fibers reinforce the structure. This combination yields a media that maintains dimensional stability under varying airflow velocities and resists deformation during high-speed pleating operations.
Gradient Particle Loading: The two-layer construction creates a natural progression for particle accumulation. Larger contaminants lodge in the open upstream layer, preserving the fine downstream layer's capacity for sub-micron capture. This staged loading pattern extends replacement intervals by maximizing usable media volume.
Product Applications
Fine EPA HEPA Gas Turbine Filter Media is specified for final-stage intake filtration in gas turbine installations where fine to sub-micron particle removal directly impacts turbine reliability and overhaul cycles.
Base-Load Power Plants: This full efficiency range turbine intake media protects continuously operating turbines in combined-cycle facilities, where uninterrupted operation demands consistent filtration performance over extended periods. Its gradual resistance rise aligns with scheduled maintenance windows.
Peaking and Emergency Generators: For turbines with intermittent operation, this T8 to T13 gas turbine filtration paper provides immediate protection upon start-up without requiring conditioning time. Its stable mechanical efficiency ensures contaminant capture from the first moment of airflow.
Desert and Arid Region Installations: In environments with high concentrations of fine windborne dust, the gradient structure captures both coarse sand particles and fine silicates, preventing abrasive wear on compressor blades and reducing maintenance frequency.
