Connection methods for interfaces of flammable liquid transmission pipelines
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In the methods of connecting interfaces in pipelines for transporting flammable liquids, flanges and welding are commonly used. What is the scope of application for these two methods, and what are their respective advantages and disadvantages?
For connections using flanges, attention must be paid to the release of static electricity resulting from liquid flow; generally, wires are used for bridging, while welding can help avoid this issue
Generally speaking, flange connections are rarely used, unless your pipes need to be disassembled frequently. Welding is a relatively reliable and safe method of connection
From a safety perspective: flange connections create leakage points, which can lead to the formation of explosion-proof areas
Flange method: Used only for pipe pressures up to 600 pounds. Welding method: Suitable for pipe pressures greater than 600 pounds