American Stationary Engineering: Facts, Rules and General Information Gathered from Thirty Years' Practical Experience as Running, Erecting and Designing EngineerDerry-Collard Company, 1906 - 281 стор. |
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Сторінка 54
... threads , and if the pipe is thin , the thread will go through on one side . If the outside of the pipe is not full size , the thread will not be full and a tight joint impossible . At one place a company decided that it was large ...
... threads , and if the pipe is thin , the thread will go through on one side . If the outside of the pipe is not full size , the thread will not be full and a tight joint impossible . At one place a company decided that it was large ...
Сторінка 55
... not right , or the thread was not long enough , and the pipe has pulled out . Cases are not rare where a 4 - inch pipe has been put in with less than five threads . In some cases Pipe Threads . the taper is too great or the 55.
... not right , or the thread was not long enough , and the pipe has pulled out . Cases are not rare where a 4 - inch pipe has been put in with less than five threads . In some cases Pipe Threads . the taper is too great or the 55.
Сторінка 56
... thread , and though the pipe may be screwed in the full length of thread , it actually holds only by the imperfect threads at the bot- tom , and all others are soon corroded . The short and imperfect thread on pipes is usually Standard ...
... thread , and though the pipe may be screwed in the full length of thread , it actually holds only by the imperfect threads at the bot- tom , and all others are soon corroded . The short and imperfect thread on pipes is usually Standard ...
Сторінка 57
... thread long enough to screw up and make a tight joint . The thread and taper for pipes that have been gener- ally adopted are known as the " Briggs standard . " Size . Thread . A 8 c D E F 27 .405 .270 .334 .393 18 .540 .364 .433 .522 ...
... thread long enough to screw up and make a tight joint . The thread and taper for pipes that have been gener- ally adopted are known as the " Briggs standard . " Size . Thread . A 8 c D E F 27 .405 .270 .334 .393 18 .540 .364 .433 .522 ...
Сторінка 58
... threads , it will be seen , are · perfect at the bottom but flat on top , and four are imper- fect at both top and bottom . Standard weight pipe will withstand any steam pressure that will ever be put upon it if the weld is good and the ...
... threads , it will be seen , are · perfect at the bottom but flat on top , and four are imper- fect at both top and bottom . Standard weight pipe will withstand any steam pressure that will ever be put upon it if the weld is good and the ...
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American Stationary Engineering: Facts, Rules and General Information ... William Edward Crane Попередній перегляд недоступний - 2015 |
American Stationary Engineering: Facts, Rules and General Information ... William Edward Crane Попередній перегляд недоступний - 2018 |
American Stationary Engineering: Facts, Rules and General Information ... William Edward Crane Попередній перегляд недоступний - 2018 |
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Сторінка 5 - A plain talk on every-day work about engines, boilers, and their accessories. It is not intended to be scientific or mathematical. All formulas are in simple form so that any one understanding plain arithmetic can readily understand any of them. The author has made this the most practical book in print; has given the results of his years of experience, and has included about all that has to do with an engine room or a power plant.