Flange with full face metal to metal contact and O-ring seal
<img src="https://eng-calculations.com/SVG/EN/EN_13445-3/Flange with full face metal to metal contact and O-ring seal.svg" alt="Flange_with_full_face_metal_to_metal_contact_and_O-ring_seal" title="Flange_with_full_face_metal_to_metal_contact_and_O-ring_seal">
https://eng-calculations.com/SVG/EN/EN_13445-3/Flange with full face metal to metal contact and O-ring seal.svg