INDUSTRY COMPONENT

Coalescing Element/Media

Coalescing element/media is a filtration component in moisture separators that merges fine liquid droplets into larger ones for efficient removal from gas streams.

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Component Specifications

Definition
A coalescing element or media is a specialized filtration component used within moisture separators and similar separation equipment. It consists of porous materials designed to capture and merge microscopic liquid droplets (typically water or oil) suspended in gas or air streams. Through physical and chemical interactions, the media causes these fine droplets to combine into larger droplets that can be easily separated by gravity or other mechanisms. This component is critical for protecting downstream equipment, improving process efficiency, and ensuring product quality in various industrial applications.
Working Principle
The coalescing element operates on the principles of interception, diffusion, and coalescence. As contaminated gas flows through the porous media, fine liquid droplets are captured on the fiber surfaces through inertial impaction and Brownian diffusion. These droplets then migrate along the fibers, merging with other droplets upon contact due to surface tension forces. This process continues until droplets become large enough to overcome the media's capillary forces, after which they drain away by gravity or are separated in a downstream collection section.
Materials
Typically made from borosilicate glass fibers, polypropylene, polyester, stainless steel mesh, or PTFE-coated materials. Media can be pleated, wound, or sintered with fiber diameters ranging from 0.5 to 20 microns and porosity between 85-99%.
Technical Parameters
  • Efficiency 99.9% at 0.3 microns
  • Temperature Range -20°C to 120°C
  • Dirt Holding Capacity ≥ 500 g/m²
  • Initial Pressure Drop ≤ 0.2 bar
  • Maximum Operating Pressure 10 bar
Standards
ISO 12500, DIN 3188

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Coalescing Element/Media.

coalescing filter coalescing media moisture separator element liquid-gas separation filtration component industrial coalescer Coalescing Element/Media Coalescing Element/Media in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Moisture Separator

A component within an air dryer system that removes liquid water droplets and aerosols from compressed air.

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Engineering Analysis

Risks & Mitigation
  • Media degradation from chemical exposure
  • Channeling due to improper installation
  • Fire hazard with flammable contaminants
  • Reduced efficiency from over-saturation
FMEA Triads
Trigger: Chemical incompatibility with process stream
Failure: Media degradation and loss of structural integrity
Mitigation: Select chemically resistant materials; implement material compatibility testing
Trigger: Excessive particulate loading
Failure: Premature clogging and increased pressure drop
Mitigation: Install pre-filters; implement regular maintenance schedules
Trigger: Improper installation or sealing
Failure: Bypass leakage and reduced separation efficiency
Mitigation: Follow manufacturer installation guidelines; use proper gaskets and seals

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±5% efficiency rating, ±10% pressure drop specification
Test Method
ISO 12500-1 for compressed air, ASTM D6830 for hydrocarbon coalescence

Buyer Feedback

★★★★☆ 4.9 / 5.0 (30 reviews)

"The Coalescing Element/Media we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

"Found 12+ suppliers for Coalescing Element/Media on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Coalescing Element/Media is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What is the difference between coalescing and separating elements?

Coalescing elements merge fine droplets into larger ones, while separating elements then remove these larger droplets from the gas stream. They often work together in moisture separators.

How often should coalescing elements be replaced?

Replacement intervals depend on operating conditions, typically every 6-12 months or when pressure drop increases by 0.5-0.7 bar over initial value.

Can coalescing elements remove both water and oil?

Yes, specially designed coalescing media can remove both water and hydrocarbon liquids from gas streams, though media composition may vary for optimal performance.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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