Flange type 21
<img src="https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 21.svg" alt="Flange_type_21" title="Flange_type_21">
https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 21.svg
<img src="https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 21.svg" alt="Flange_type_21" title="Flange_type_21">
https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 21.svg