Alloy Steel Flanges

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Product BrochureA spectacle blind flange, often referred to simply as a "spectacle blind," is a specific type of flange used in piping systems to temporarily or permanently block the flow of fluid or gas through a pipeline. It consists of a solid disk (the spectacle) and a blank flange with an opening, connected by a hinge or other means. The spectacle blind can be rotated to either block the flow (closed position) or allow the flow (open position) through the pipeline.

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Product BrochureASTM A193 and ASTM A320 are both specifications that cover alloy and stainless steel bolting materials for high-temperature or high-pressure service. The designations "B8" and "B8M" refer to specific alloy grades, while "Class 1" and "Class 2" denote different levels of hardness or mechanical properties for these grades.

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Product BrochureASTM A193 Grade B16 is a specification that covers alloy steel and stainless steel bolting materials for high-temperature or high-pressure service. Grade B16 is specifically designed for use in applications that require high tensile strength and good creep-rupture properties at elevated temperatures. This grade of bolting material is commonly used in pressure vessels, valves, flanges, and other high-temperature equipment.