Nozzle on a Dished Head

A round nozzle set onto a dished or hemispherical head, on its centre or off it: the nozzle unrolled with its saddle cut. A round nozzle set onto a torispherical or hemispherical head, parallel to its axis, on the centre or off it: the nozzle unrolled with its saddle cut.

• Torispherical head
• Hemispherical head

How the nozzle on a dished head is developed, with a worked example · Pipe ends and nozzles