CPC F03D 13/25 (2016.05) [E04H 12/085 (2013.01); E04H 12/34 (2013.01); F05B 2240/912 (2013.01); F05B 2260/301 (2013.01)] | 21 Claims |
1. A flange element for a flange connection with a longitudinal centre axis, the flange element comprising:
a flange part comprising a front side with a front surface, and
an attachment part adapted for secure attachment to a tubular element comprising a tower section of a tower structure for a wind turbine or a pipe element that is part of an offshore load bearing structure,
wherein the flange part is arranged radially on an inside of the flange element and is provided with a flange wedge and a flange recess, the flange wedge comprising:
a flange wedge surface that is part of the front surface, and
a flange heel comprising a flange heel surface that is part of the front surface,
wherein the flange recess extends around a circumference of the flange part and separates the flange wedge and the flange heel, and
wherein the flange wedge surface makes a wedge surface angle and the flange heel surface makes a heel surface angle with a plane that is perpendicular to the longitudinal centre axis of the flange element.
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