Steam feed for a steam turbine

A steam feed for a turbomachine including an inner casing and an outer casing, comprising:

• an inner pipe for guiding a flow medium;
• an outer pipe arranged around the inner pipe;
• a first component, comprising:
• a first inner pipe for guiding a flow medium, wherein the inner pipe is designed for connecting to an inner-casing opening of the inner casing,
• a first outer pipe arranged around the first inner pipe, wherein the steam feed is designed for connecting to an outer-casing opening of the turbomachine,
• wherein a cooling-medium inflow opening is provided between the first inner pipe and the first outer pipe for feeding cooling medium;
• a second component, comprising:
• a second inner pipe, and
• a second outer pipe,
• wherein the outer pipe of the steam feed is formed from the first outer pipe and the second outer pipe, and wherein the inner pipe of the steam feed is formed from the first inner pipe and the second inner pipe.