A shell flange is a critical connecting component that joins sections of cylindrical or spherical shells in industrial machinery, providing structural integrity and sealing capabilities.
A shell flange is a flat, circular, or ring-shaped mechanical component designed to connect two sections of a shell structure (such as pressure vessels, tanks, or piping systems) through bolted joints. It serves as an interface that ensures proper alignment, load distribution, and leak-proof sealing under operational pressures and temperatures. Flanges typically feature bolt holes arranged symmetrically around their circumference and may include raised faces, grooves, or other sealing surfaces to accommodate gaskets.
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Shell flanges are specifically designed for connecting cylindrical or spherical shell sections in vessels, tanks, or large-diameter equipment, often requiring thicker dimensions and specialized sealing for flat or curved surfaces. Pipe flanges are standardized for connecting straight pipe sections and typically follow different dimensional standards.
Gasket selection depends on the flange face type, media being contained, temperature, pressure, and corrosion requirements. Common choices include spiral-wound gaskets for high-pressure applications, rubber gaskets for low-pressure services, and PTFE gaskets for chemical resistance. Always follow manufacturer recommendations and industry standards.
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