JIS B2220 Flange - Marcel Forged

Standard flanges play a crucial role in various industries, serving as connectors in piping systems. The classification and differences among flanges from different countries are essential to understand for seamless integration and compatibility in international projects.

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Standardization ensures safety and compatibility in the vast landscape of global industries. It facilitates international trade by providing a common ground for manufacturers, suppliers, and end-users. This article delves into the classifications of standard flanges in different countries, shedding light on their unique features and applications.

ANSI Flanges: The American Standard

ANSI flange In the United States, ANSI (American National Standards Institute) flanges are widely used. ANSI B16.5 and ANSI B16.47 are two common standards, each with its specifications. The former is suitable for nominal pipe sizes from 1/2" to 24", while the latter covers larger sizes.

DIN Flanges: German Precision

Din flange Germany follows the DIN (Deutsches Institut für Normung) standards for flanges. DIN and DIN are notable specifications, offering precision and reliability. DIN is designed for nominal pressure ratings, while DIN focuses on welding neck flanges.

JIS Flanges: Japanese Excellence

JIS flange Japan adheres to the JIS (Japanese Industrial Standards) for flanges. JIS B and JIS B provide detailed specifications for different types of flanges. B covers steel pipe flanges, while B focuses on hydraulic fluid power - flange connections.

BS Flanges: British Standards

BS flange British industries follow BS (British Standards) for flanges. BS 10 and BS are prominent standards, with BS 10 emphasizing on nominal sizes and BS providing specifications for circular flanges.

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AS Flanges: Australian Standards

Australia adopts AS (Australian Standards) for flanges. AS and AS are commonly referenced standards, with AS covering table flanges and AS focusing on Class PN14 and PN16 flanges.

GOST Flanges: Russian Standards

Russian industries adhere to GOST (Gosudarstvennyy Standart) standards for flanges. GOST and GOST are noteworthy, with GOST concentrating on butt-welded flanges and GOST covering plate flanges.

Chinese Flanges: GB/T Standards

China follows GB/T (Guobiao) standards for flanges. GB/T and GB/T are commonly used, with GB/T specifying welding neck flanges and GB/T covering plate flanges.

UNI Flanges: Italian Standards

Italy adopts UNI (Ente Nazionale Italiano di Unificazione) standards for flanges. UNI and UNI are notable, with UNI covering slip-on flanges and UNI providing specifications for welding neck flanges.

When comparing standard flanges from different countries, variations in materials, pressure and temperature ratings, and sizes become evident. It's crucial to understand these differences to ensure the proper selection of flanges for specific applications.

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