Oxy-acetylene torches and fuel pipelines are used for welding, cutting, heating, and brazing in metal fabrication workshops and several other industrial facilities. The design of these torches has evolved over the years. Today, you will see oxy-acetylene torches in safety-centered designs; still, they can cause serious accidents. Flashback is one of the common causes of accidents in these torches. Backflow, backfire, and sustained backfire are a few other causes. To avoid these, flashback arrestors are used. How do these devices work? Why are they important for any metalworking facility? Read this post to know the answers.
Definitions of Different Fire Discrepancies You Must Be Aware Of
Flashback, backfire, and sustained backfire are a few confusing terms. Knowing their differences would help immensely in keeping the situation under control.
Going by definition, you can easily identify why flashback is dangerous, and why it needs to be prevented. The next section introduces you to flashback arrestors that can be used to contain the fire in oxy-acetylene torches and acetylene cylinders.
A General Discussion on Flashback Arresters
A flashback arrester or arrestor is a device that helps in stopping the reverse flow of fire in oxy-acetylene torches. Flashback arrestors are of two types – dry and wet flashback arrestors.
Dry flashback arrestors are suited for small applications, while hydraulic flashback arrestors are a common sight in industrial facilities. Hydraulic flashback arrestors are more popular among the two owing to certain advantages they offer. These flashback arrestors are used in gas pipelines, torch inlets, as well as fuel gas piping system regulators to curb fire. The next section introduces you to the working and efficiency of one of the popular flashback arrestors by Rexarc.
An Overview of Rexarc’s Liquid Flashback Arrester Parts and Its Working
Rexarc is one of the leading manufacturers of liquid flashback arresters for oxygen and acetylene applications. They also provide a flashback arrester for acetylene cylinder. They comprise several components, which assure effective fire quenching. The following pointers will help you understand the working of these devices in industrial setups.
In addition to this, there is another interesting aspect of this system. The relief valve used in the system doesn’t open fast to relieve the pressure, which was created during the flashback. This valve prevents the systems from over-pressuring during the regular operating conditions. Also, it aids to vent the system during maintenance. These flashback arrestors have been in use for more than 60 years. Would you be interested in knowing how these flashback arrestors work in real? If yes, visit our Youtuve video on flashback arrestors to know more.
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