Application of the JIS B2220 flanges produced by our company in the domestic and foreign markets
The JIS B2220 flanges differs from the other criteria JIS B2220 flanges is one of the most commonly used flange standards, which has obvious differences with national standards, Russian standards, German standards, American standards, etc. The following are details about their differences. First, the standard of JIS B2220 flanges is obviously different from other standard flanges in terms of kg pressure. JIS B2220 flanges usually has 5K, 10K, 16K, 20K, 30K, and the less commonly used 1K. Second, the most commonly used JIS B2220 flanges is the size of A series, while other standards such as national standard are A series, and B system is more commonly used. The third JIS B2220 flanges standard SOP refers to the plate flange, SOH refers to the flat welding band diameter flange, if only said SO is not sure whether the band diameter or not. Fourth, the sealing surface of JIS B2220 flanges is generally FF pure plane, but it can also be done as RF belt with platform with hose type, which depends on the needs of customers. Fifth, not all models of JIS B2220 flanges flanges have a diameter, 5K from DN450,10K from DN250,20K, 30k from DN10.
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