Knitted wire mesh demister pads
Circular or rectangular knitted mesh pad for entrained droplet removal.
Product detailsDrawing-based manufacturing
Demister pads and mesh blocks
Knitted wire-mesh pads separate entrained liquid droplets from gas by impaction and coalescence. Pad density, gas velocity and drainage govern performance; a demister is not specified by a particle-filtration micron rating.
- Mechanism
- Droplet impaction and coalescence
- Duty inputs
- Gas flow, density and liquid loading
- Installation
- Pad depth, grids and manway access
Metal filtration componentsDemister pad and mesh block configurations
Choose by vessel installation
Demister pad and mesh block configurations
Define vessel geometry, access and gas-liquid duty before selecting pad density, segmentation and support.
01
Circular demister pads
Round pads for vertical vessels, columns and separators.
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Segmented vessel pads
Multi-piece pads sized to pass through a restricted access opening.
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Knitted mesh blocks
Compact shaped blocks for local separation, silencing or equipment inserts.
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Compressed knitted mesh blocks
Dense formed knitted-mesh block for packing or gas-liquid service.
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Gas velocity, drainage and pad construction
Vessel diameter and pad thickness alone are not a process specification.
Vessel diameter and access opening
Controls shape and segmentation
Gas and liquid properties
Supports separation review
Flow range and pressure-drop limit
Defines the operating window
Droplet and solids loading
Affects mesh and fouling risk
Material and corrosion environment
Guides wire and support selection
Grid, retention and installation details
Prevents movement and bypass
Construction
Gas velocity, drainage and pad construction
- Collection mechanismDroplets strike the wires, merge and drain. Low velocity may reduce impaction; excessive velocity can carry collected liquid back into the gas.
- Bulk densityDensity is pad mass divided by volume. A 1.0 m diameter, 0.15 m deep pad has a volume of about 0.118 m³. Wire mass depends on specified density and excludes support grids.
- Segmented padsSegments allow installation through a manway. Installed joints must close without gaps that let gas bypass the pad.
01Collection mechanism
02Bulk density
03Segmented pads
Compare demister pads and mesh blocks
Vessel diameter and pad thickness alone are not a process specification.
| Construction | Application and fit | Confirm first | Find a product |
|---|---|---|---|
| Circular demister pads | The vessel uses a round cross-section and full-width pad. | Vessel ID, pad thickness, support, retention and access opening. | Filter matching products |
| Segmented vessel pads | The pad must pass through a manway or limited access opening. | Segment layout, joints, installation order, retainers and vessel ID. | Filter matching products |
| Knitted mesh blocks | The application uses a compact block rather than a full vessel pad. | Block size, density, compression, wire, support and containment. | Filter matching products |
Demister pads and mesh blocks
Applications
For gas-liquid separation rather than particle filtration in liquids.
Evaporators
Reduce entrained liquid carryover in vapor streams.
Scrubbers
Collect droplets downstream of gas-liquid contact.
Knockout vessels
Retain residual entrainment where gas and liquid loading suit knitted pads.
Inspect the installed pad
Geometry, wire identity and drainage are component checks; they do not establish a removal-efficiency guarantee.
01Wire and densityVerify alloy, wire diameter, mass and pad volume.
02Grid and segmentsCheck restraint, segment fit and support-ring contact.
03DrainageKeep discharge paths clear and close perimeter gaps.
Demister pads and mesh blocks
Technical resources
Technical guide
Demister pad sizing inputs
Record the process conditions needed to specify knitted-mesh mist eliminator pads and their support grids.
Read guide→Technical guide
Cleaning reusable metal filter elements
Plan a cleaning trial around contaminant, media construction and joint integrity before declaring a metal element reusable.
Read guide→Demister pads and mesh blocks
Questions before ordering
Can a demister be specified as a 10 µm liquid filter?
No. Droplet removal depends on gas velocity, droplet size, liquid properties and knit construction. The wire opening is not an equivalent particle-retention rating.
Why can a denser pad worsen carryover?
More wire adds collecting surface but may restrict drainage or foul faster. Flooding and re-entrainment can outweigh the increased surface area.
Are compressed mesh blocks demister pads?
Not necessarily. Compressed knitted blocks can serve damping or cushioning duties. They need a separate process design before any demisting performance is assigned.
Why supply a demister in segments?
A segmented pad passes through a smaller manway and can be assembled on the vessel support grid. Segment layout, joint overlap and orientation should be shown on the installation drawing.
Related products and guidance
Technical enquiry
Define the dimensions, media, joints and inspection records before confirming the order.