Marine engines; problems, notes and sketches. Additional to the text-book used in the instruction of naval cadets of the second class, United States Naval Academy (1899)
United States Naval Academy. Dept. of Marine Engineering · Annapolis : Dept. of Steam Engineering, U. S. Naval Academy · leaf 30
Fig. 7shows a valve and its sectional view. In the navy two or morevalves are often fitted in the one casting, so as to get the re-quired valve area without having too large a valve. This valve has a seat of solid nickel (which does not corrode),beveled at an angle of 45°. The valve is fitted with… … ing the ring by means of a pin, thus raising or lowering its upperedge. The valve is lifted by means of the lever acting on the loosecasing over the nuts at the top of the valve stem, which lifts thevalve by means of the key fitted through the valve stem. Thiskey can be secured by a padlock through…
Marine engines
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