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. 1920 Excerpt: ...Table No. 2 shall be made of the same outside diameter as the next heavier class; pipe with thickness and weight less than shown by Table Xo. 2 shall be made of the same outside diameter as the Class A pipe; and pipe with thickness and weight more than shown by Table No. 2 shall be made of the same outside diameter as the Class D pipe.1 All pipe having the same outside diameter shall have the same inside diameter at both ends. The inside diameter of the lighter pipe of each standard outside diameter shall be gradually increased for a distance of about 6 inches from each end of the pipe so as to obtain the required standard thickness and weight for each size and class of pipe. For pipe of each size from 4-inch to 24-inch inclusive, there shall be two standards of outside diameter, and for pipe from 30-inch to 60-inch inclusive, there shall be four standards of outside diameter, as shown by Table No. 1. For pipe 4-inch to 12-inch inclusive, one class of special castings shall be furnished, made from Class D pattern. Those having spigot ends shall have outside diameters of spigot ends midway between the two standards of outside diameter, as shown by Table No. 1, and shall be tapered back for a distance of 6 inches. For pipe from 14-inch to 24-inch inclusive, two classes of special castings shall be furnished: Class B special castings with Classes A and B pipe, and Class D special castings with Classes C and D pipe; the former shall have cast on them the letters "A B " and the latter "CD." For pipe 30-inch to 60-inch inclusive, four classes of special castings shall be furnished, one for each class of pipe, and shall have cast on them the letter of the class to which they belong. Allowable Variation in Diameter of Pipes and Sockets Section 2...
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