Filter
Particulate removal across the micron spectrum.
- 1 Micron
- 5 Micron
- 10 Micron
- 20 Micron
- 100 Micron
- 500 Micron
Vacuum & Process Equipment Guide
Filters Used in Catch Pots and Vacuum Systems
To improve separation efficiency, catch pots are often fitted with internal filter elements. The right filter media is selected based on temperature, chemical compatibility, particle size, and process conditions.
01
Stainless Steel (SS) Filter
Materials
- SS 304
- SS 316
- SS 316L
- Duplex SS
Construction
- Wire Mesh
- Sintered Metal Filter
- Pleated Metal Filter
Applications
- Vacuum systems
- Solvent recovery plants
- Chemical reactors
- Pharmaceutical plants
- Powder handling systems
Advantages
- Washable and reusable
- High mechanical strength
- Long service life
- Suitable for high temperatures
02
Glass Fiber Filter
Construction
- Fine glass microfibers bonded into a filter media
Applications
- Fine dust collection
- Aerosol filtration
- Laboratory vacuum systems
- Pharmaceutical processes
Advantages
- High filtration efficiency
- Low pressure drop
- Good particulate retention
Limitations
- Fragile
- Not suitable for strong mechanical cleaning
03
Activated Carbon Filter
Materials
- Granular Activated Carbon (GAC)
- Activated Carbon Pellets
- Carbon Impregnated Media
Removes
- Organic vapors
- Solvent fumes
- VOCs
- Odors
- Toxic gases
Applications
- Solvent recovery systems
- Chemical exhaust systems
- Pharmaceutical plants
- Fume extraction systems
Advantages
- Excellent adsorption capacity
- Removes odors and vapors
- Improves air quality
Typical Chemicals Removed
TolueneAcetoneIPAMethanolBenzeneXylene
04
PTFE Filter (Teflon Filter)
Materials
- Pure PTFE Membrane
- PTFE Coated Media
Applications
- Corrosive chemicals
- Acid fumes
- Pharmaceutical plants
- Fine powder filtration
Advantages
- Highly chemical resistant
- Hydrophobic surface
- Excellent filtration efficiency
- Suitable for aggressive chemicals
Compatible Chemicals
HClH₂SO₄HNO₃Chlorine compoundsSolvents
05
Polypropylene (PP) Filter
Applications
- Water treatment
- Chemical transfer systems
- Acid handling
Advantages
- Low cost
- Good chemical resistance
- Easy replacement
06
Polyester Filter
Applications
- Dust collection
- Powder conveying
- General industrial filtration
Advantages
- Economical
- Durable
- Good dust holding capacity
07
Ceramic Filter
Applications
- High-temperature gas filtration
- Catalyst recovery
- Furnace exhaust systems
Advantages
- Excellent temperature resistance
- Chemically inert
- Long life
08
HEPA Filter
Applications
- Pharmaceutical plants
- Clean rooms
- Sterile manufacturing
Advantages
- Extremely high efficiency
- Removes very fine particles
09
Demister Pad (Mist Eliminator)
Materials
- SS 304
- SS 316
- PP
- PTFE
Function
- Removes liquid droplets from vapor streams
Applications
- Vacuum systems
- Distillation columns
- Evaporators
- Scrubbers
Advantages
- Low pressure drop
- High liquid removal efficiency
- Reusable
Recommended Filter Selection for Vacuum Systems
Quick-reference table for matching process requirements to the right filter type.
| Process | Recommended Filter |
|---|---|
| Dry Vacuum Pump Protection | SS 316 Demister + SS Mesh |
| Solvent Recovery | SS 316 + Activated Carbon |
| Acid Fumes | PTFE Filter |
| Fine Powder Handling | PTFE + HEPA |
| Pharmaceutical Plants | SS 316L + HEPA |
| Distillation Systems | SS Demister Pad |
| Corrosive Chemicals | PTFE or Hastelloy Filter |
| VOC Removal | Activated Carbon Filter |
| High Temperature Gas | Ceramic Filter |
| General Chemical Service | SS 316 Mesh Filter |
Typical Multi-Stage Catch Pot Design
A layered filtration approach that protects vacuum pumps and controls emissions across critical process industries.
Vapor Stream
→
SS Demister Pad
→
Glass Fiber Filter
→
Activated Carbon Bed
→
PTFE Safety Filter
→
Vacuum Pump
💧Liquid droplet removal
🧹Fine particulate filtration
🌫️Solvent vapor adsorption
🛡️Final pump protection
Industry Application: Such multi-stage filtration systems are commonly used in chemical, pharmaceutical, API, solvent recovery, and specialty chemical plants where vacuum equipment protection and emission control are critical.
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