How DBB and DIB Valves Work: Key Differences Explained
Learn how Double Block and Bleed (DBB) and Double Isolation and Bleed (DIB) valves provide two sealing barriers with a bleed cavity for safer pipeline isolation. DBB valves offer compact, verifiable isolation for standard pipeline and manifold applications, while DIB valves provide independent bidirectional sealing for hazardous, high-pressure, and other critical services.