Flat Plate Flange: When to Use It, When to Avoid It, and the Plate vs Slip-On Decision // Hebei Yajiada Engineering Notes

About the author

Ma Yajiada, Chief Engineer at Hebei Yajiada Import and Export Co., LTD. 20 years experience in flange metallurgy (Cangzhou, Hebei since 2006). Specializes in ASME B16.5 / B16.47 / EN 1092-1 standards and PED 2014/68/EU compliance.
B.Sc. Materials Engineering (Yanshan University); PED 2014/68/EU Module H Notified Body auditor; 20 years flange metallurgy specialization.

Editorial review: Ma Yajiada, PE. Article published 2026-08-17. Last updated 2026-07-28.

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18 years in flange manufacturing (since 2008) · 50,000 T/YR capacity
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