Engineers' and firemen's license law . Pressure, in Pounds per Square Inch. 100 110 120 125 130 Longitudinal Pitch of Stay-bolts, in Inches, not to exceed — Thickness of furnace sheet %<$?. 5. 5% Diameter of stay-bolts over threads shall not be lessthan seven-eighths (%) inch. 24. When a pitch of stay-bolts is required for a pressure higher thangiven in the tables, paragraph 23 of this section, the furnace sheet shallbe stay-bolted as a flat surface, as shown in the table, paragraph 21 ofthis 25. In a vertical fire-tube boiler the height of furnace Mea shall be measured from the c
Engineers' and firemen's license law . Pressure, in Pounds per Square Inch. 100 110 120 125 130 Longitudinal Pitch of Stay-bolts, in Inches, not to exceed — Thickness of furnace sheet %<$?. 5. 5% Diameter of stay-bolts over threads shall not be lessthan seven-eighths (%) inch. 24. When a pitch of stay-bolts is required for a pressure higher thangiven in the tables, paragraph 23 of this section, the furnace sheet shallbe stay-bolted as a flat surface, as shown in the table, paragraph 21 ofthis 25. In a vertical fire-tube boiler the height of furnace Mea shall be measured from the center of rivets at the bottom P1®11*;?* height of of the waterleg to the center of rivets in lower tube sheet, ^r^ace» and the pitch of stay-bolts shall be measured at the furnace 26. When the longitudinal joint of the furnace sheet of avertical fire-tube boiler is of lap-riveted construction, a stay- dinai1 jointbolt in each row shall be located near the longitudinal joint, sheet^.0!.as shown in Pig. 14. boilers-. Fig. 14. 27. A segment of a head of a horizontal return tubular, , Staying locomotive, Scotch or similar tvpe boiler shall be stayed by segments . J r . J J of heads. welded or weldless mild steel or wrought iron, head to head 38 Part III. — Section 4. or through, diagonal or crow-foot stays, except a horizontal returntubular boiler, as provided in paragraph 4 of this section.
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Keywords: ., bookauthormassachu, bookcentury1900, bookdecade1900, bookyear1909
