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PL Flange
SDFL
Standardized sealing faces (FF/RF) support JIS B2401 O-rings or JIS R3453 non-asbestos gaskets, achieving zero-leakage sealing at ≤16K pressure ratings. Unlike weld-neck flanges, their detachability offers a unique advantage: during pipeline modification via cutting, the flange body can be preserved and reused by replacing only the welded pipe section. This feature substantially reduces long-term maintenance costs in frequently modified plant branch systems (e.g., chemical pilot lines, laboratory piping).
Standardized sealing faces (FF/RF) support JIS B2401 O-rings or JIS R3453 non-asbestos gaskets, achieving zero-leakage sealing at ≤16K pressure ratings. Unlike weld-neck flanges, their detachability offers a unique advantage: during pipeline modification via cutting, the flange body can be preserved and reused by replacing only the welded pipe section. This feature substantially reduces long-term maintenance costs in frequently modified plant branch systems (e.g., chemical pilot lines, laboratory piping).
