How to Choose the Right Bag Filter Housing Size

Choosing the right bag filter housing size is crucial for ensuring optimal performance and efficiency in your filtration system. The correct size ensures adequate filtration capacity, minimizes pressure drops, and reduces maintenance frequency. This guide will help you understand the factors to consider when selecting the appropriate bag filter housing size, recommend suitable filter bags, and provide a parameters table for better decision-making.

Key Factors in Selecting Bag Filter Housing Size

1. Flow Rate Requirements

  • Determine the maximum flow rate your system needs to handle.
  • Select a housing size that accommodates this flow rate without causing excessive pressure drops.

2. Particle Load and Type

  • Assess the type and size of particles to be filtered.
  • Choose a filter bag material and size that effectively captures these particles.

3. Operating Conditions

  • Consider the operating temperature and chemical compatibility.
  • Ensure the housing and filter bags can withstand these conditions.

4. Space Constraints

  • Evaluate the available space for installing the filter housing.
  • Opt for a size that fits within the space constraints while providing the required filtration capacity.

5. Maintenance and Accessibility

  • Select a housing size that allows easy access for maintenance and bag replacement.

Recommended Filter Bag Types

  1. Polyester Filter Bags:
  • Temperature Resistance: Up to 150°C (302°F)
  • Chemical Resistance: Moderate
  • Applications: General industrial use, water treatment
  1. Polypropylene Filter Bags:
  • Temperature Resistance: Up to 90°C (194°F)
  • Chemical Resistance: Excellent
  • Applications: Chemical processing, food and beverage industry
  1. Nomex (Aramid) Filter Bags:
  • Temperature Resistance: Up to 200°C (392°F)
  • Chemical Resistance: Good
  • Applications: High-temperature environments, such as power plants
  1. PTFE-Coated Filter Bags:
  • Temperature Resistance: Up to 250°C (482°F)
  • Chemical Resistance: Superior
  • Applications: Harsh chemical environments, pharmaceuticals
how to choose the right bag filter housing size
how to choose the right bag filter housing size

Parameters Table

ParameterPolyesterPolypropyleneNomex (Aramid)PTFE-Coated
Temperature LimitUp to 150°CUp to 90°CUp to 200°CUp to 250°C
Chemical ResistanceModerateExcellentGoodSuperior
Abrasion ResistanceHighModerateHighHigh
ApplicationGeneral useChemicals, F&BHigh-temperatureHarsh chemicals

Maintenance Tips

  1. Regular Inspection:
  • Inspect filter bags for signs of wear, tear, or clogging. Replace any damaged bags immediately.
  1. Cleaning Mechanisms:
  • Utilize pulse jet cleaning or mechanical shakers to ensure filter bags remain unclogged and maintain optimal airflow.
  1. Seal Integrity:
  • Regularly check gaskets and seals to ensure there are no leaks in the filtration system.
  1. Routine Monitoring:
  • Monitor pressure drop across the filter bags. A significant increase may indicate the need for cleaning or replacement.

Global Reach

Our products and services extend to numerous countries, ensuring we meet diverse industrial needs worldwide. We cover the following countries:

  • Americas: US, Canada, Brazil, Mexico, Argentina
  • Europe: Germany, Italy, France, United Kingdom, Spain, Belgium, Netherlands, Luxembourg, Russia, Turkey
  • Asia-Pacific: Japan, Singapore, South Korea, India, Thailand, Indonesia, Malaysia, Australia, New Zealand
  • Africa: South Africa


Selecting the right bag filter housing size involves considering flow rate, particle load, operating conditions, space constraints, and maintenance accessibility. By choosing the appropriate filter bags and adhering to recommended maintenance practices, industries can ensure optimal performance and reliability in their filtration systems.

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