Mesh Pad / Packing: Thickness 50-300 mm, Density 100-400 kg/m³

Component Specifications

Definition

A structured packing element made of knitted wire mesh or other porous materials designed to capture and coalesce fine liquid droplets from gas or vapor streams in demister vessels, typically installed in distillation columns, scrubbers, and other separation equipment to improve efficiency and prevent liquid carryover.

Working Principle

Operates through inertial impaction, interception, and diffusion mechanisms where gas flows through the mesh, causing liquid droplets to collide with and adhere to the wire surfaces, coalesce into larger droplets, and drain by gravity while allowing clean gas to pass through.

Materials

Typically 304 or 316 stainless steel wire, but also available in other alloys (e.g., Monel, Inconel), plastics (e.g., polypropylene, PTFE), or specialized materials for corrosion resistance; wire diameters range from 0.1mm to 0.5mm, with mesh densities from 100 to 400 kg/m³.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Density	100-400 kg/m³
Thickness	50-300 mm
Efficiency	99%+ for droplets >3-10 μm
Surface Area	200-600 m²/m³
Pressure Drop	10-100 Pa per layer
Operating Pressure	Up to 10 bar
Operating Temperature	-50°C to 500°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 2942, DIN 31655

Parent Products

This component is used in the following industrial products

Demister

A demister, also known as a mist eliminator or entrainment separator, is a critical component within an absorption column system.

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Engineering Analysis

Risks & Mitigation

Fouling from particulates
Corrosion in aggressive environments
Structural collapse under high pressure
Inefficient separation if improperly sized

FMEA Triads

Trigger: Corrosion from acidic or alkaline process streams
Failure: Reduced structural integrity and separation efficiency
Mitigation: Use corrosion-resistant materials (e.g., 316 stainless steel, PTFE); implement regular inspection and maintenance schedules.

Trigger: Fouling due to particulate buildup or polymerization
Failure: Increased pressure drop and decreased flow capacity
Mitigation: Install pre-filters; design for easy cleaning or replacement; use anti-fouling coatings.

Trigger: Improper installation or sizing
Failure: Poor separation efficiency and liquid carryover
Mitigation: Follow manufacturer specifications; conduct proper engineering calculations for flow rates and droplet sizes; verify installation alignment.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±5% on thickness and density specifications; dimensional tolerances per ISO 2768-m

Test Method

Efficiency testing per ISO 2942 using aerosol challenge; pressure drop measurement per DIN 31655; material certification per ASTM/ASME standards.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Mesh Pad / Packing

Manufacturer profiles associated with Mesh Pad / Packing.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the typical efficiency of a mesh pad packing?

Mesh pads typically achieve over 99% efficiency in removing liquid droplets larger than 3-10 microns from gas streams, depending on design and operating conditions.

How do you select the right mesh pad material?

Material selection depends on process conditions: stainless steel for general use, alloys for high temperatures/corrosion, and plastics for chemical resistance; consider factors like temperature, pressure, and fluid compatibility.

What maintenance is required for mesh pad packing?

Regular inspection for fouling, corrosion, or damage; cleaning with solvents or steam if clogged; replacement when efficiency drops or physical degradation occurs.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Mesh Pad / Packing