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ASME EN JISB 05B DN80 PN10-100 Stainless Steel Plate Flange
Production Standard：ASME B16.5, ASME B16.47, EN 1092-1 Type 01, DIN 2573~2576, ISO 7005-1, JIS B2220, GOST 12820-80, API 6A, AS/NZS 4087, GB/T 9124.1-2019.
The first step in threaded flange manufacturing is material selection (commonly carbon steel, stainless steel), then cutting the raw material into blanks; the second step is turning: first turning the flange outer diameter and end face, then precisely turning the internal thread (thread accuracy must meet ANSI/GB standards); the third step is sealing surface treatment (e.g., flat face, raised face) to ensure sealing fit; finally, non-destructive testing (such as magnetic particle inspection) and pressure testing are conducted to ensure no defects.Key Application：Low-pressure water supply pipelines and indoor heating systems.
The first step in threaded flange manufacturing is material selection (commonly carbon steel, stainless steel), then cutting the raw material into blanks; the second step is turning: first turning the flange outer diameter and end face, then precisely turning the internal thread (thread accuracy must meet ANSI/GB standards); the third step is sealing surface treatment (e.g., flat face, raised face) to ensure sealing fit; finally, non-destructive testing (such as magnetic particle inspection) and pressure testing are conducted to ensure no defects.Key Application：Low-pressure water supply pipelines and indoor heating systems.
