Gas Appliance Burner & Flame Arrestor Mesh is used for forming the flame surface of premix gas burners and the flashback screens inside gas appliances. ANSI Z21 appliance is the reference cited for it on drawings, datasheets and purchase orders.
What ANSI Z21 appliance Means for Gas Appliance Burner & Flame Arrestor Mesh
The dimensions in the table below are supplied to suit ANSI Z21 appliance. Where the standard sets requirements for the finished appliance, device or system, compliance testing of that assembly stays with its manufacturer; we supply the metal mesh part to the drawing and can provide material certificates and dimensional reports with the shipment.
Gas Appliance Burner & Flame Arrestor Mesh Dimensions
| Mesh count | Wire diameter (mm) | Aperture (mm) | Micron rating (u00b5m) | Open area (%) | Material |
|---|---|---|---|---|---|
| 30-Mesh | 0.250 | 0.597 | 597 | 50.0 | FeCrAl (Kanthal-type) |
| 40-Mesh | 0.220 | 0.415 | 415 | 42.0 | SS310S |
| 60-Mesh | 0.180 | 0.243 | 243 | 33.0 | Inconel 600 |
Specifying Gas Appliance Burner & Flame Arrestor Mesh Beyond the Standard
- Alloy: FeCrAl, 310S or Inconel 600 depending on surface temperature.
- Mesh: 30–60 mesh for stable flame and flashback resistance.
- Form: Flat, domed or cylindrical.
When Gas Appliance Burner & Flame Arrestor Mesh Is Not the Right Choice
Not for liquid-fuel burners.
