=======+============+==============+======+============+=======+========== | | | | | | | | | | | | Stress on | | | | | |each bolt, Pipe | Width | | | | |per square size, | flange | Bolt circle |Number| Bolt size | Bolt | inch at Inches.| face, | diameter, | of | diameters, |length,| bottom of | inches. | inches. |bolts.| inches. |inches.| thread at | | | | | | 200 lbs. -------+------------+--------------+------+------------+-------+---------- 2 | 2 | 4-3/4| 4 | 1/2 5/8| 2 | 825 2-1/2| 2-1/4| 5-1/2| 4 | 1/2 5/8| 2-1/4 | 1,050 3 | 2-1/4| 6 | 4 | 1/2 5/8| 2-1/2 | 1,330 3-1/2| 2-1/2| 7 | 4 | 1/2 5/8| 2-1/2 | 2,530 4 | 2-1/2| 7-1/2| 4 | 3/8 3/4| 2-3/4 | 2,100 4-1/2| 2-3/8| 7-3/4| 8 | 5/8 3/4| 3 | 1,430 5 | 2-1/2| 8-1/2| 8 | 5/8 3/4| 3 | 1,630 6 | 2-1/2| 9-1/2| 8 | 5/8 3/4| 3 | 2,360 7 | 2-3/4| 10-3/4| 8 | 5/8 3/4| 3-1/4 | 3,200 8 | 2-3/4| 11-3/4| 8 | 5/8 3/4| 3-1/2 | 4,190 9 | 3 | 13-1/4| 12 | 5/8 3/4| 3-1/2 | 3,610 10 | 3 | 14-1/4| 12 | 5/8 7/8| 3-5/8 | 2,970 12 | 3-1/2| 17 | 12 | 3/4 7/8| 3-3/4 | 4,280 14 | 3-1/2| 18-3/4| 12 | 7/8 1 | 4-1/4 | 4,280 15 | 3-5/8| 20 | 16 | 7/8 1 | 4-1/4 | 3,660 16 | 3-3/4| 21-1/4| 16 | 7/8 1 | 4-1/4 | 4,210 18 | 3-1/2| 22-3/4| 16 |1 1-7/8| 4-3/4 | 4,540 20 | 3-3/4| 25 | 20 |1 1-1/8| 5 | 4,490 22 | 3-3/4| 27-1/4| 20 |1 1-1/4| 5-1/2 | 4,320 24 |3-3/4 4 |29-1/4 29-1/2| 20 |1 1-1/4| 5-1/2 | 5,130 26 |3-7/8 4-1/8|31-1/4 31-3/4| 24 |1 1-1/4| 5-3/4 | 5,030 28 |4 4-1/4|33-1/2 34 | 28 |1 1-1/4| 6 | 5,000 30 |4 4-3/8|35-1/2 36 | 28 |1-1/8 1-3/8| 6-1/4 | 4,590 36 |4-1/4 4-7/8|42 42-3/4| 32 |1-1/8 1-3/8| 6-1/2 | 5,790 42 |4-1/2 5-3/8|48-1/2 49-1/2| 36 |1-1/4 1-1/2| 7-1/4 | 5,700 48 |4-3/4 5-3/4|54-3/4 56 | 44 |1-3/8 1-1/2| 7-3/4 | 6,090 -------+------------+--------------+------+------------+-------+----------
DIMENSIONS OF CAST IRON PIPE, FLANGES, ETC.
(J. E. Codman, Engineers’ Club of Philadelphia, 1889.)
--------+----------+--------+--------+--------- Diameter|Diameter |Diameter|Diameter|Number of Pipe.|of Flange.|of Bolt |of Bolt.|of Bolts. | |Circle. | | | | | | --------+----------+--------+--------+--------- 2 | 6-1/4 | 4-3/4 | 3/4 | 4 3 | 7-1/2 | 5-7/8 | 3/4 | 4 4 | 9 | 7 | 3/4 | 6 5 | 9-3/4 | 8 | 3/4 | 6 6 | 10-3/4 | 9-1/8 | 3/4 | 8 8 | 13-1/4 | 11-3/8 | 3/4 | 8 10 | 15-1/4 | 13-1/4 | 3/4 | 10 12 | 17-3/4 | 15-3/4 | 7/8 | 12 14 | 20 | 18 | 7/8 | 14 16 | 22 | 20 | 7/8 | 16 18 | 24 | 22-1/4 | 7/8 | 16 20 | 27 | 24-1/2 | 1 | 18 22 | 28-3/4 | 26-1/2 | 1 | 20 24 | 31-1/4 | 28-3/4 | 1 | 22 26 | 33-1/4 | 31 | 1 | 24 28 | 35-1/2 | 33-1/4 | 1 | 24 30 | 38 | 35-1/2 | 1 | 26 32 | 40 | 37-1/2 | 1-1/8 | 28 34 | 42-1/4 | 40 | 1-1/8 | 30 36 | 45 | 42 | 1-1/8 | 32 38 | 47 | 44 | 1-1/8 | 32 40 | 49 | 46 | 1-1/8 | 34 42 | 51-1/4 | 48-1/4 | 1-1/8 | 34 44 | 53-1/2 | 50-1/4 | 1-1/4 | 36 46 | 55-3/4 | 52-3/4 | 1-1/4 | 38 48 | 58 | 55 | 1-1/4 | 40 --------+----------+--------+--------+---------