6.3.1   Steam inlets — HP and IP


Steam inlets to HP and IP cylinders are usually arranged symmetrically in top and bottom casings, with the centreline of the inlet pipe along a radial direction in order to minimise inlet losses. Usually either two or four inlets are used; with two, the pipes are vertical, making it easy to withdraw the inlet pipe from the casing; with four, all the pipes enter at an angle.

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