Multilayer screen packs combine a filtering mesh with selected support and drainage layers in one installable assembly. The layer sequence is designed around the process, pressure direction, equipment interface and handling method rather than a fixed number of screens.
Metal wire meshShare a drawing, reference sample or application requirements to discuss the configuration.
Round cut mesh screens; markings belong to the photographed sample.
| Parameter | Specification | Notes |
|---|---|---|
| Filter media | Specified retention mesh with protective or support layers | — |
| Layer arrangement | Upstream-to-downstream sequence defined on the drawing | — |
| Edge finish | Loose stack, joined perimeter or rimmed construction | — |
| Material | Stainless steel grade or specified alloy agreed for the application | Confirm compatibility of media, supports, connections and joining materials with the process and cleaning chemistry. |
| Dimensions | Manufactured to the approved drawing and agreed tolerances | Provide screen-changer or breaker-plate dimensions, pack outline, holes, total thickness and flow direction. Identify the current sequence when requesting a replacement. |
| Service conditions | Process medium, temperature, flow and differential pressure to be specified | Limits depend on the complete construction; no universal pressure or temperature rating applies. |
| Inspection | Dimensions, media identification, joints and visual condition | Special tests require an agreed method, sampling plan and acceptance criteria. |
| Order basis | Quantity, sample stage, documentation and packing agreed at quotation | Lead time and minimum order quantity follow the confirmed material and manufacturing scope. |
| Specification example | Example: 3-layer stack; specify each mesh grade | — |
Materials: Stainless steel grade or specified alloy agreed for the application
A screen pack combines layers with different functions. The fine layer retains particles, while coarser layers provide protection, support or drainage. Adding layers does not automatically improve filtration: an unsuitable sequence can restrict flow or leave fine mesh unsupported. Define the function of every layer.
Provide screen-changer or breaker-plate dimensions, pack outline, holes, total thickness and flow direction. Identify the current sequence when requesting a replacement.
For polymer service, include resin, recycled content, additives, melt temperature, throughput and the pressure trend. Compare replacement intervals under the same process conditions.
Confirm the drawing revision, material designation, critical dimensions and inspection documents before manufacture. Agree how media identity, joints, edges and cleanliness will be checked. If a sample or first article is required, define the approval step before repeat production. Flow, pressure or retention testing must include the test method and acceptance limit; appearance alone does not verify filtration performance.
Layered screens matched to the melt path, screen changer and breaker plate.
Review contaminant load and pressure rise alongside the selected retention layer.
Compact layered elements where the equipment provides a defined seat and support.
Include these details when discussing your requirements.
There is no universal layer count. Retention, support, drainage, pressure direction and the available installation thickness determine the sequence.
Provide the process fluid or gas, temperature, cleaning chemicals and corrosion exposure. The grade must suit every wetted component, including supports, joints and seals. Final compatibility is confirmed against the actual service conditions.
Provide screen-changer or breaker-plate dimensions, pack outline, holes, total thickness and flow direction. Identify the current sequence when requesting a replacement. Also include material, operating conditions, required quantity and any sample or inspection-document requirements.
Material records, dimensional inspection and other agreed documents can be included in the order scope. Specify traceability, document type and any special testing before quotation.
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Define the dimensions, media, joints and inspection records before confirming the order.
