Usha Filters
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Pre Filters

Pan Dust Filter

Usha Filters Pan Dust Filters are high-performance primary air filters designed for efficient dust collection in HVAC systems, ventilation units and industrial air handling applications. These filters are manufactured using progressively compressed glass fiber filter media mounted within a sturdy cardboard or galvanized steel frame.

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Product Overview

Usha Filters Pan Dust Filters are high-performance primary air filters designed for efficient dust collection in HVAC systems, ventilation units and industrial air handling applications. These filters are manufactured using progressively compressed glass fiber filter media mounted within a sturdy cardboard or galvanized steel frame.
The filter media is specially impregnated with a dust-binding adhesive that enhances dust retention capacity and prevents particle migration, ensuring reliable filtration performance and longer service life.
Key Features

  • Progressively compressed glass fiber media 
  • High dust holding capacity 
  • Dust-binding adhesive treatment for improved particle retention 
  • Low pressure drop for energy-efficient operation 
  • Strong and durable frame construction 
  • Uniform airflow distribution 
  • Lightweight and easy to install 
  • Available in cardboard and galvanized frame options 
  • Suitable for commercial and industrial HVAC applications 

Construction Details

Component Material / Specification
Filter Media Progressively Compressed Glass Fiber Media
Frame Material Cardboard / Galvanized Steel
Media Treatment Special Dust Binding Adhesive
Support Structure Wire Mesh / Expanded Support
Filter Type Pan Dust Filter

Technical Specifications

Parameter Details
Filter Type Pan Dust Filter
Filtration Efficiency G2 / G3 / G4
Media Type Glass Fiber Media
Recommended Face Velocity Up to 2.5 m/s
Initial Pressure Drop Low
Operating Temperature Up to 80°C
Frame Options Cardboard / GI Frame
Standard Thickness 25 mm / 50 mm
Custom Sizes Available

Working Principle
The progressively compressed glass fiber media captures airborne dust particles throughout the depth of the filter. Larger particles are trapped in the outer media layers while finer particles penetrate deeper into the filter structure, resulting in improved dust holding capacity and extended filter life. The special dust-binding agent helps secure retained particles within the media, reducing dust shedding and improving filtration efficiency.
Applications

  • HVAC Systems 
  • Air Handling Units (AHU) 
  • Commercial Buildings 
  • Pharmaceutical Facilities 
  • Hospitals 
  • Food Processing Units 
  • Paint Booths 
  • Industrial Ventilation Systems 
  • Cleanroom Pre-Filtration 
  • Textile Industry 
  • Power Plants 
  • Fresh Air Filtration Systems 

Advantages

  • High Dust Holding Capacity
  • Improved Filtration Performance
  • Energy Efficient
  • Reliable Equipment Protection
  • Economical Solution

Maintenance Guidelines

  • Inspect filters regularly based on operating conditions. 
  • Replace filters when final pressure drop exceeds recommended limits. 
  • Ensure proper installation to avoid air bypass. 
  • Timely replacement improves system efficiency and indoor air quality. 

Customization Options

  • Usha Filters offers customized Pan Dust Filters based on:
  • Filter dimensions 
  • Frame material 
  • Filtration efficiency 
  • Thickness requirement 
  • Airflow application 
  • Industrial application requirements