Flange type 12
<img src="https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 12.svg" alt="Flange_type_12" title="Flange_type_12">https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 12.svg
<img src="https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 12.svg" alt="Flange_type_12" title="Flange_type_12">https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 12.svg