Couplable flange with clamping jaws for the connection of pipes for the transport of petrochemical fluids, gases and liquefied gases

摘要

A flange ( 1 ) for pipes for the transport of petrochemical fluids, gases and liquefied gases is described, having a bearing surface ( 11 ) for clamping jaw ( 3 ), which has a peripheral portion ( 2 ) bevelled in the direction of support of the jaw ( 3 ). Said peripheral bevelled portion ( 2 ) is preferably a curved surface.