Casting Blind Flange Carbon Steel ANSI B16.47 / ASME B16.47 Series A105 150#-2500#

ANSI B16.47/ASME B16.47 Series A A105 CS 150#-2500# Blind Flange

　　ASME B16.47 is a standard developed by the American Society of Mechanical Engineers (ASME) that specifically addresses large diameter steel flanges. It is divided into two parts: ASME B16.47 Series A and ASME B16.47 Series B. Each part covers different flange types and dimensions.

　　When referring to an ASME B16.47 blind flange, it means the blind flange is manufactured in accordance with the specifications outlined in either ASME B16.47 Series A or Series B. Here are some key points about ASME B16.47 blind flanges:

　　Size Range: ASME B16.47 covers blind flanges with a nominal pipe size (NPS) range from 26 inches to 60 inches in Series A and from 26 inches to 96 inches in Series B. These flanges are designed for larger diameter piping systems.

　　Pressure Ratings: ASME B16.47 blind flanges are available in different pressure classes, including Class 75, Class 150, Class 300, Class 400, Class 600, Class 900, and Class 1500. The pressure rating indicates the maximum pressure the flange can withstand without failure.

　　Facing Types: ASME B16.47 blind flanges can have different facing types, such as raised face (RF) and ring joint face (RTJ). The facing type affects the gasket seating surface and determines the sealing method.

　　Material Specifications: ASME B16.47 provides specifications for materials used in blind flanges, including carbon steel, stainless steel, and alloy steel. The specific material grades and requirements are outlined in the standard.

　　Dimensions: ASME B16.47 specifies the dimensions of blind flanges, including outside diameter, bolt hole spacing, and thickness, to ensure compatibility and interchangeability with other ASME B16.47 flanges.

　　It's important to note that ASME B16.47 is regularly updated, and the specific requirements and details may vary depending on the edition of the standard. It is recommended to refer to the latest edition of ASME B16.47 for precise specifications and guidelines when selecting and using blind flanges within the ASME B16.47 scope.

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