In the field of welding and cutting, Flashback Arrester is the key to protecting the operator’s life and equipment safety. A clear summary of the main types, characteristics, and application scenarios of acetylene, propane, hydrogen, and other devices.
Classification of protected gas types (this is the key to selection!)
Gas must not be mixed! The combustion speed, pressure, and characteristics of different gases are different, and the design (material, porosity, length) of the internal flame retardant components of their flashback arresters is completely different.
How to choose the correct Flashback Arrester for welding operations?
1. Confirm gas type: First, determine what gas you are using for welding (acetylene, propane, hydrogen, etc.), and then select the corresponding specialized gas model. Select the oxygen specific model for the oxygen side.
2. Check certification and labeling: The product must be clearly labeled with applicable gases, flow direction, maximum working pressure, production standards, and certification marks. Do not purchase “three no” products without any labeling.
3. Matching pressure and flow rate: Confirm that the maximum working pressure (WP) and flow capacity of FBA meet your equipment requirements. Insufficient flow can lead to unstable flames.
4. Choose interface threads: Ensure that the import and export threads match your pressure regulator, hose, or welding torch (such as China’s G thread, the United. States’ NPT thread, etc.).
5. Prioritize the combination of “tempering prevention+check”: this is the safest and most compliant choice.
6. Check if it contains a “thermal cut-off valve”: For flammable gases such as acetylene, it is strongly recommended to choose industrial grade products with this function.
Generalization:
The tempering preventer is a “life-saving device”, not a consumable. Do not save cost budget on it. A successful fire suppression can prevent a serious personal injury and property damage accident. The correct purchasing decision is the first step in safe welding operations.
DERKIA provides you with high-quality Flashback Arrester products.
Product link:https://www.derkia.com/product-category/backfire-preventer-parts/