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A pipeline isolation device, formed by integrating a solid blind plate and a through-flow spacer ring, enables reliable pipeline shut-off or flow-through by rotating its position and provides a clear visual indication of the operational status. It is commonly used for plant maintenance and safety isolation.
Unsere Flansche, Rohrbögen und Armaturen werden mit fortschrittlicher CNC-Ausrüstung und bewährten Prozessen hergestellt und liefern genaue Abmessungen, stabile Dichtungsleistung und zuverlässige Installation für anspruchsvolle industrielle Anwendungen.
Standard: ASME B16.48-2025.
Size Range: NPS 1/2–24; for installation between ASME B16.5 flanges.
Pressure Class: Class 150, 300, 600, 900, 1500, 2500.
Configuration: Spectacle blind; specifications must indicate nominal size, pressure class, flange facing, thickness, and handle orientation.
Material: Carbon steel, stainless steel, or alloy steel; material group and pressure-temperature ratings must be compatible with the mating flanges and the process medium.
Ordering/Acceptance: Verify NPS, Class, material, mating flange facing, blind thickness, and handle orientation; inspect dimensions, markings, material certification, and surface quality.
