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Home, HVAC & Safety Mesh · EN 437 / ANSI Z21 appliance · Application guide

What Is Gas Appliance Burner & Flame Arrestor Mesh Used For?

A cylindrical woven metal burner mesh glowing orange with blue flame across its surface inside a gas boiler, dark background

Gas Appliance Burner & Flame Arrestor Mesh is used primarily for forming the flame surface of premix gas burners and the flashback screens inside gas appliances. This page lists the industries and assemblies where it is specified, the selection criteria that matter for each application, handling and installation practice, and the cases where a different mesh, screen or filter type is the correct choice. It is supplied to EN 437 / ANSI Z21 appliance.

Typical Applications for Gas Appliance Burner & Flame Arrestor Mesh

Where Gas Appliance Burner & Flame Arrestor Mesh is specified and bought:

  • Boiler & water heater makers: premix burner surfaces.
  • Commercial cooking: infrared grill and salamander burners.
  • Gas fireplaces: ember-bed burners.
  • Laboratory burners: flame stabilizer screens.

How to Specify Gas Appliance Burner & Flame Arrestor Mesh for Your Application

  • 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.
  • Standard: Quote EN 437 / ANSI Z21 appliance and the size designation from the table on the product page, plus any value you changed in the technical drawing.

Handling & Installation Practice

  • Install with even tension so the flame front stays uniform.
  • Inspect for oxidation and holes at service.

Common Selection Mistakes with Gas Appliance Burner & Flame Arrestor Mesh

  • Using SS304 at radiant temperatures, where it scales quickly.
  • Mismatching mesh to the gas type.

Where Gas Appliance Burner & Flame Arrestor Mesh Is Not the Right Choice

Not for liquid-fuel burners.

If This Construction Is Not the Right Fit

Closely related mesh types for the same duty — compare open area, aperture range and cleanability before you commit.

Crimped Ribbon Flame Arrester ElementCrimped Ribbon Flame Arrester ElementISO 16852 / API 2000Gas Regulator & Valve Inlet Filter ScreenGas Regulator & Valve Inlet Filter ScreenANSI Z21.80 / EN 88-1Hydrophobic Mesh Moisture-Eliminator Air FilterHydrophobic Mesh Moisture-Eliminator Air FilterAMCA 500-L / ASHRAE 62.1Commercial Permanent Metal Air FilterCommercial Permanent Metal Air FilterASHRAE 52.2 / UL 900

Technical Drawing

Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the size will snap the other fields to that size's standard values; you can then override any individual value.

Sends the selected values to the quote form below.

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Set the size and options in the drawing above, then send the exact configuration straight to this form.

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Specification
Business Information

Dimensions & Specifications (EN 437 / ANSI Z21 appliance)

Mesh countWire diameter (mm)Aperture (mm)Micron rating (u00b5m)Open area (%)Material
30-Mesh0.2500.59759750.0FeCrAl (Kanthal-type)
40-Mesh0.2200.41541542.0SS310S
60-Mesh0.1800.24324333.0Inconel 600

Frequently Asked Questions

What is Gas Appliance Burner & Flame Arrestor Mesh used for?

Forming the flame surface of premix gas burners and the flashback screens inside gas appliances.

Why FeCrAl mesh for gas burners?

It forms a protective oxide at high temperature.

What prevents flashback in a burner?

Fine openings that quench the flame.

How long does burner mesh last?

Years, depending on temperature and cycling.

Can I get a quote for Gas Appliance Burner & Flame Arrestor Mesh to my own drawing?

Yes. Set the size and any custom value in the technical drawing on the product page and send it with the quote form; we reply within one business day.