 | United States. Department of the Treasury - 1887 - 612 pages
...hereafter only apply to the "common lever safety-valve" and to spring-loaded valves which arenotconstrncted so as to give an increased lift by the operation of steam. JAS. A. DUMONT, Supervising Inspector-General Approved: CS FAIRCHILD, Acting Secretary. (7603.) Gilt... | |
 | Joshua Rose - 1888 - 312 pages
...arrangement shall also apply to lock-up safetyvalves when they are employed. Any spring-loaded safety-valves constructed so as to give an increased lift by the operation of steam, after being raised from their seats, or any spring-loaded safety-valve constructed in any other manner or so as to give an... | |
 | Emory Edwards - 1888 - 540 pages
...arrangement shall also apply to lock-up safety-valves when they are employed. Any spring-loaded safety-valves constructed so as to give an increased lift by the operation of steam, after being raised from their seats, or any spring-loaded safety-valve constructed in any other manner, or so as to give an... | |
 | Emory Edwards - 1891 - 554 pages
...arrangement shall also apply to lock-up safety-valves when they are employed. Any spring-loaded safety-valves constructed so as to give an increased lift by the operation of steam, after being raised from their seats, or any spring-loaded safety-valve constructed in any other manner, or so as to give an... | |
 | Heine Safety Boiler Company - 1893 - 184 pages
...shall also apply to lock-up safety valves when they are employed. "Any spring-loaded safety valves constructed so as to give an increased lift by the operation of steam, after being raised from their seats, or any spring-loaded safety valve constructed in any other manner, or so as to give an... | |
 | United States - 1895 - 360 pages
...arrangement shall also apply to lock-up safety valves when they are employed. Any spring-loaded safety valves constructed so as to give an increased lift by the operation of steam, after being raised from their seats, or any spring-loaded safety valve constructed in any other manner or so as to give an... | |
 | United States. Department of the Treasury - 1895 - 1064 pages
...inch allowable in concaved heads. SEC. 28. (Third paragraph amended.) Any spring-loaded safety valves constructed so as to give an increased lift by the operation of steam, after being raised from their seats, or any spring-loaded safety valve constructed in any other manner or so as to give an... | |
 | American Steam Gauge Co - 1896 - 184 pages
...shall also apply to lock-up safety valves when they are employed. "Any spring-loaded safety valves constructed so as to give an increased lift by the operation of steam, after being raised from their seats, or any springloaded safety valve constructed in any other manner, or so as to give an... | |
 | Heine Safety Boiler Co - 1897 - 204 pages
...shall also apply to lock-up safety valves when they are employed. "Any spring-loaded safety valves constructed so as to give an increased lift by the operation of steam, after being raised from their seats, or any spring-loaded safety valve constructed in any other manner, or so as to give an... | |
 | Hazelton boiler company, New York - 1897 - 162 pages
...arrangement shall also apply to lock.up safety valves when they are employed. Any spring.loaded safety valves constructed so as to give an increased lift by the operation of steam, after being raised from their seats, or any spring.loaded safety valve constructed in any other manner, or so as to give an... | |
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... so as to give an effective area equal to that of the aforementioned spring-loaded safety valve, may be used in lieu of the common lever-weighted... 
