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A Double Block and Bleed (DBB) Monoflange valve is a crucial safety and maintenance component in piping systems designed to ensure secure isolation and safe maintenance. The DBB valve integrates two block valves and a bleed valve into a single assembly, providing two independent sealing points to isolate a section of the pipeline completely. The bleed valve allows for the safe venting of trapped fluids or pressure between the two block valves, enabling maintenance or inspection without system shutdown or risk of leakage. This design enhances system safety by preventing leaks and maintaining operational integrity, making DBB valves essential in industries like oil and gas, chemical processing, and power generation where reliable isolation and safe maintenance practices are critical.
