ISBN: 9781152776111

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustra… Mehr…

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1914 Excerpt: ... estimated that the diameters for the same quantity of water delivered were as follows: 36 in. diar. cast iron pipe = 42 in. diar. rivetted steel pipe. 48 in. diar. cast iron pipe = 54 in. diar. rivetted steel pipe. It is therefore evident that any reduction in the clear area of a pipe or an increase in frictional resistance due to structural differences are important factors when studying the initial cost of any installation with due regard to the true commercial value. For the same reason it is necessary to take into account the quantity of water to be conveyed, also the relative properties of the proposed materials of construction to resist corrosive action, as experience has shown that owing to differences in quality of water and materials of construction, the rate of corrosive action varies to a considerable extent in different localities. With smaller sizes of pipe up to 8 inches diameter the growth of nodules of incrustation on the inside surface due to corrosion has developed in some instances to such an extent that the pipe has become completely choked. In pipes of larger diameters the same action merely reduces the effective area of the pipe. This growth develops at a rate diminishing as the thickness of covering increases, and when about 2 inches thick, it seems to protect the metal from further corrosive action. In such cases satisfactory results have been obtained by resorting to scraping where the margin of thickness, as in cast iron pipes, and other conditions permit, but this could not be recommended in the case of thin steel pipe, owing to the renewed active corrosion which takes place. Apart from serious wasting of the metal and ultimate destruction of thin steel pipes by corrosion, it is important to consider here the effects of such grow... John Sharp, Books, Fiction and Literature, Fiction, Some Considerations Regarding Cast Iron & Steel Pipes Books>Fiction and Literature>Fiction Publisher: London; New York: Longmans, Green Publication date: 1914 Subjects: Pipe Cast-iron Steel Notes: This is an OCR reprint. There may be numerous typos or missing text. There are no illustrations or indexes. When you buy the General Books edition of this book you get free trial access to Million-Books.com where you can select from more than a million books for free. You can also preview the book there.<

ISBN: 9781152776111

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustra… Mehr…

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1914 Excerpt: ... estimated that the diameters for the same quantity of water delivered were as follows: 36 in. diar. cast iron pipe = 42 in. diar. rivetted steel pipe. 48 in. diar. cast iron pipe = 54 in. diar. rivetted steel pipe. It is therefore evident that any reduction in the clear area of a pipe or an increase in frictional resistance due to structural differences are important factors when studying the initial cost of any installation with due regard to the true commercial value. For the same reason it is necessary to take into account the quantity of water to be conveyed, also the relative properties of the proposed materials of construction to resist corrosive action, as experience has shown that owing to differences in quality of water and materials of construction, the rate of corrosive action varies to a considerable extent in different localities. With smaller sizes of pipe up to 8 inches diameter the growth of nodules of incrustation on the inside surface due to corrosion has developed in some instances to such an extent that the pipe has become completely choked. In pipes of larger diameters the same action merely reduces the effective area of the pipe. This growth develops at a rate diminishing as the thickness of covering increases, and when about 2 inches thick, it seems to protect the metal from further corrosive action. In such cases satisfactory results have been obtained by resorting to scraping where the margin of thickness, as in cast iron pipes, and other conditions permit, but this could not be recommended in the case of thin steel pipe, owing to the renewed active corrosion which takes place. Apart from serious wasting of the metal and ultimate destruction of thin steel pipes by corrosion, it is important to consider here the effects of such grow... John Sharp, Books, Fiction and Literature, Fiction, Some Considerations Regarding Cast Iron & Steel Pipes Books>Fiction and Literature>Fiction, General Books LLC<