Mesh Pad: Wire Diameter 0.1-0.3 mm, Pad Thickness 100-300 mm

Component Specifications

Definition

A mesh pad is a critical component in demister/mist eliminator systems, consisting of multiple layers of knitted or woven metal or plastic wires arranged in a specific pattern to create a tortuous path for gas flow. It functions by capturing fine liquid droplets (typically 3-50 microns) through inertial impaction, direct interception, and Brownian diffusion mechanisms, allowing the coalesced liquid to drain while permitting clean gas to pass through.

Working Principle

The working principle involves three main mechanisms: 1) Inertial impaction - larger droplets cannot follow gas streamlines and impact wire surfaces; 2) Direct interception - droplets following streamlines contact wire surfaces; 3) Brownian diffusion - smallest particles diffuse to wire surfaces. Captured droplets coalesce into larger droplets that drain by gravity.

Materials

Stainless steel (304, 316, 316L), polypropylene, PTFE, PVDF, nickel alloys, or specialized corrosion-resistant alloys. Wire diameters typically 0.1-0.3mm with specific surface area 100-300 m²/m³.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Density	80-200 kg/m³
Efficiency	99.5-99.9% for droplets >3 microns
Pad Thickness	100-300 mm
Pressure Drop	25-150 Pa at design velocity
Wire Diameter	0.1-0.3 mm
Operating Pressure	Vacuum to 10 bar
Operating Temperature	-40°C to 400°C (material dependent)
Specific Surface Area	100-300 m²/m³

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 19569, ASME BPE, FDA CFR 21

Parent Products

This component is used in the following industrial products

Demister/Mist Eliminator

A device used to remove liquid droplets or mist from gas streams in industrial processes.

View Product Details

Mist Eliminator

A device that removes liquid droplets or mist from gas streams by impaction, interception, and diffusion.

View Product Details

Engineering Analysis

Risks & Mitigation

Fouling and plugging
Corrosion in aggressive environments
Structural collapse at high velocities
Liquid re-entrainment
Fire hazard with flammable materials

FMEA Triads

Trigger: High liquid loading exceeding design capacity
Failure: Flooding and liquid carryover
Mitigation: Install liquid level controls, increase pad thickness, or add pre-separation stages

Trigger: Corrosion from aggressive chemicals
Failure: Structural degradation and efficiency loss
Mitigation: Select appropriate corrosion-resistant materials, implement corrosion monitoring, establish replacement schedules

Trigger: Fouling from particulates or polymerization
Failure: Increased pressure drop and reduced capacity
Mitigation: Install pre-filters, implement regular cleaning protocols, use anti-fouling coatings

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±2% on wire diameter, ±5% on pad density, ±3mm on overall dimensions

Test Method

ISO 2942 for bubble point test, ASME BPE for surface finish, ASTM E11 for wire mesh specifications, in-situ efficiency testing per manufacturer protocols

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

Manufacturer profiles associated with Mesh Pad.

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Frequently Asked Questions

What is the typical efficiency range for industrial mesh pads?

Industrial mesh pads typically achieve 99.5-99.9% efficiency for droplets larger than 3 microns, with efficiency decreasing for sub-micron particles where additional filtration stages may be required.

How do you determine the appropriate mesh pad thickness?

Pad thickness is determined by required efficiency, gas velocity, liquid loading, and pressure drop constraints. Thicker pads (200-300mm) provide higher efficiency but increase pressure drop and cost.

What maintenance is required for mesh pads?

Regular inspection for fouling, corrosion, or physical damage; periodic cleaning with compatible solvents or steam; replacement when efficiency drops below design specifications or pressure drop exceeds allowable limits.

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