Usha Filters
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HEPA Filters

High Temperature HEPA Filter

Usha Filters High Temperature HEPA Filters are specially engineered for critical air filtration applications operating under elevated temperatures up to 250°C. Manufactured using premium quality heat-resistant micro glass fiber media and high-temperature resistant construction materials, these filters provide ultra-high filtration efficiency, thermal stability and reliable performance in demanding industrial environments.

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Product Overview

Usha Filters High Temperature HEPA Filters are specially engineered for critical air filtration applications operating under elevated temperatures up to 250°C. Manufactured using premium quality heat-resistant micro glass fiber media and high-temperature resistant construction materials, these filters provide ultra-high filtration efficiency, thermal stability and reliable performance in demanding industrial environments.
These filters are ideal for sterile processes, drying systems, pharmaceutical applications and industrial high-temperature air handling systems requiring HEPA-grade clean air performance.

Key Features

  • High temperature resistance up to 250°C 
  • HEPA grade ultra-fine particle filtration 
  • Heat-resistant micro glass fiber media 
  • Low pressure drop for efficient airflow 
  • High dust holding capacity 
  • Rigid and leak-proof construction 
  • Excellent thermal and dimensional stability 
  • Suitable for continuous high-temperature operation 
  • Individually tested for performance 
  • Custom sizes and designs available 

Construction Details

Component Material / Specification
Filter Media High Temperature Micro Glass Fiber Media
Frame Material Stainless Steel / GI
Separator Corrugated Aluminum Separator
Sealant High Temperature Resistant Sealant
Gasket High Temperature Resistant Gasket
Construction Type Deep Pleat HEPA Filter

Technical Specifications

Parameter Details
Filter Type High Temperature HEPA Filter
Filtration Efficiency H13 / H14
Media Type Heat Resistant Micro Glass Fiber Media
Particle Efficiency Up to 99.995%
Standard EN 1822
Operating Temperature Up to 250°C
Recommended Face Velocity As per application
Initial Pressure Drop Low
Frame Options Stainless Steel / GI
Separator Type Corrugated Aluminum
Custom Sizes Available

Working Principle

Air passes through the heat-resistant HEPA micro glass fiber media where extremely fine airborne particles are captured through diffusion, interception and inertial impaction mechanisms. The deep pleated structure increases effective filtration area while maintaining low airflow resistance and reliable performance at elevated temperatures.

Applications

  • Pharmaceutical Dryers 
  • Sterilization Tunnels 
  • Depyrogenation Ovens 
  • Industrial Ovens 
  • Hot Air Sterilizers 
  • High Temperature AHU Systems 
  • Food Processing Industries 
  • Electronics Manufacturing 
  • Automotive Paint Baking Systems 
  • Cleanroom High Temperature Applications 
  • Biotechnology & Laboratory Applications 
  • Furnace Ventilation Systems 

Advantages

  • High Temperature Stability
  • Ultra High Filtration Efficiency
  • Reliable Clean Air Performance
  • Durable Construction
  • Energy Efficient
  • Testing & Quality
  • Individually tested filters available 
  • Leak tested as per EN 1822 standards 
  • High-temperature resistant sealing process 
  • Consistent filtration and airflow performance 

Maintenance Guidelines

  • Monitor pressure drop regularly. 
  • Replace filters when recommended final pressure drop is reached. 
  • Avoid physical damage during handling and installation. 
  • Ensure operating temperature remains within specified limits. 

Customization Options

  • Usha Filters offers customized High Temperature HEPA Filters based on:
  • Operating temperature requirement 
  • Filter dimensions 
  • Filtration efficiency 
  • Frame material 
  • Gasket type 
  • Airflow application 
  • Industry-specific standards