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Air Filters and Chemical Filtration
Antistatic HEPA Filter for Hazardous Areas
A conductive metal-frame HEPA filter with antistatic media support and an accessible bonding point for ventilation systems handling potentially combustible dust or vapour environments.
- Conductive Metal Frame
- External Bonding Point
- Antistatic Media Support
- Robust Box Construction
Product Introduction
The antistatic HEPA filter for hazardous areas uses a conductive galvanized-steel or stainless-steel box frame, electrically continuous faceguards and a dedicated bonding lug. Glass-microfibre or membrane media is supported by conductive separators or antistatic grids so charge can dissipate through the frame when the filter is correctly earthed in its housing. Continuous pack potting and a conductive or compatible closed-cell gasket control bypass. The construction is intended for engineered dust-control and process-exhaust systems where electrostatic-charge management forms part of the overall hazard-control design.
Key Features
A visible external earth lug allows the installed filter to be connected to the housing bonding network.
Conductive separators or antistatic support grids reduce isolated charge accumulation around the media pack.
A rigid deep box frame protects the HEPA element from vibration and handling in industrial exhaust equipment.
Customer Product Concerns
In a potentially explosive atmosphere, a filter must control fine particles without becoming an electrically isolated component in the ventilation path.
A plastic or isolated frame can accumulate electrostatic charge in a dry dust stream.Conductive metal construction and an external bonding lug provide a deliberate discharge path when correctly installed.
The media faceguard is conductive but not electrically connected to the main frame.Bonded faceguards and conductive supports maintain continuity across the filter assembly.
Industrial vibration loosens a lightweight terminal-panel frame.A reinforced box frame and securely potted pack suit ducted process-exhaust housings.
Operators cannot visually confirm where the filter should be earthed.A clearly accessible bonding stud provides an identifiable connection point on the frame.
Typical Applications
Combustible-dust extraction afterfiltrationSolvent-process exhaust systemsPowder-handling containment equipmentBattery-material production ventilationHazardous-area clean manufacturing
Technical Parameters
Representative conductive construction ranges for an antistatic hazardous-area HEPA filter are listed below.
| Core Material | Glass-microfibre or membrane HEPA media with conductive separators or antistatic support grid |
|---|---|
| Panel Thickness | 150–292 mm overall filter depth |
| Effective Width | 305–610 mm nominal face width |
| Maximum Length | Up to 762 mm nominal face height |
| Steel Facing Thickness | 0.8–1.2 mm galvanized-steel or stainless-steel conductive frame |
| Core Density | Approximately 42–68 kg/m³ equivalent antistatic packed-media density |
| Thermal Conductivity | Approximately 0.035–0.045 W/(m·K) for the dry filter media pack |
| Surface Finish | Bare galvanized steel or clean conductive stainless steel with bonded faceguards |
| Joint Type | Conductive gasket or compatible closed-cell gasket with external equipotential-bonding lug |
| Customization | Available based on the intended application and operating environment. |
Available Options
H13 or H14 filter mediaGalvanized-steel or stainless-steel frameConductive gasket or standard closed-cell gasketUpstream and downstream bonded faceguards
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