Flange type 13
<img src="https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 13.svg" alt="Flange_type_13" title="Flange_type_13">https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 13.svg
<img src="https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 13.svg" alt="Flange_type_13" title="Flange_type_13">https://eng-calculations.com/SVG/EN/EN_1092-1/Flange type 13.svg