Steel flanges are vital components used to connect pipes, valves and other equipment within industrial systems. They provide secure joints that can be disassembled when required, making them a practical alternative to permanent welding. Found in industries ranging from oil and gas to construction, flanges support safe and efficient transport of fluids and gases.
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A flange, like the ones seen at https://www.geldbach.co.uk/our-products/flanges/, is essentially a rim or collar that is bolted to another flange or piece of equipment, usually with a gasket to ensure a tight seal. Designs vary depending on pressure, temperature and application. Common types include weld neck flanges, socket weld flanges, slip-on flanges, blind flanges, threaded flanges and lap joint flanges. Each option is suited to specific tasks, whether sealing pipe ends, supporting high-pressure pipelines or enabling quick disassembly for maintenance. For example, blind flanges are particularly useful when a section of pipework must be closed off safely.
Materials and advantages
While flanges are manufactured in several materials, steel remains the most widely used. Options include stainless steel, alloy steel and carbon steel flanges, each offering different levels of strength, resistance and cost-effectiveness. Carbon steel, in particular, provides durability and versatility, though it may require protective coatings to withstand corrosion in demanding environments.
The adaptability of steel flanges makes them essential in modern engineering. They not only provide strong, leak-resistant joints but also allow for inspection, cleaning and system expansion. From pipelines to power generation, products such as steel flanges demonstrate their importance in delivering safe and reliable connections across industries.