Boltex Reference Manual

Nominal Size NPS | Outside diameter of Flange | Diameter of Hub at Base | Outside Diameter of Flange | Diameter of Hub at Base | Thickness of Flange | Length thru Hub | Diameter of Raised Face | Diameter of Bolt Circle | No. Of Bolt Holes | Diameter of Bolt Holes | ||||
SOF | BLIND | |||||||||||||
O | X | O | X | C | C | C | Y | R | ||||||
I.D VESSELS | O.D. VESSELS | I.D. VESS. | O.D. VESS. | I.D. VESS. | O.D. VESS. | |||||||||
26 | in. | 32.00 | 28.25 | 31.50 | 27.62 | 1.38 | 1.81 | 1.88 | 2.75 | 29.00 | 30.50 | 29.88 | 28 | 0.88 |
mm. | 812.8 | 717.5 | 800.1 | 701.5 | 35.1 | 46.0 | 47.8 | 69.8 | 736.6 | 774.7 | 759.0 | 22.4 | ||
28 | in. | 34.00 | 30.25 | 33.50 | 29.62 | 1.38 | 1.94 | 2.00 | 2.75 | 31.00 | 32.50 | 31.88 | 28 | 0.88 |
mm. | 863.6 | 768.3 | 850.9 | 752.3 | 35.1 | 49.3 | 50.8 | 69.8 | 787.4 | 825.5 | 809.8 | 22.4 | ||
30 | in. | 36.50 | 32.75 | 35.75 | 31.88 | 1.38 | 2.12 | 2.12 | 2.75 | 32.25 | 35.00 | 34.12 | 36 | 0.88 |
mm. | 927.1 | 831.8 | 908.0 | 809.8 | 35.1 | 53.8 | 53.8 | 69.8 | 844.5 | 889.0 | 866.6 | 22.4 | ||
32 | in. | 38.50 | 34.75 | 37.75 | 33.88 | 1.38 | 2.25 | 2.25 | 2.75 | 35.25 | 37.00 | 36.12 | 36 | 0.88 |
mm. | 977.9 | 882.6 | 958.8 | 860.6 | 35.1 | 57.1 | 57.1 | 69.8 | 895.3 | 939.8 | 817.4 | 22.4 | ||
34 | in. | 41.00 | 36.75 | 40.25 | 35.88 | 1.75 | 2.38 | 2.38 | 3.38 | 37.38 | 39.25 | 38.38 | 36 | 1.00 |
mm. | 1041.4 | 933.4 | 1022.3 | 911.4 | 44.4 | 60.5 | 60.5 | 85.9 | 949.5 | 996.9 | 974.9 | 25.4 | ||
36 | in. | 43.00 | 38.75 | 42.25 | 37.88 | 1.75 | 2.50 | 2.50 | 3.38 | 39.38 | 41.25 | 40.38 | 36 | 1.00 |
mm. | 1092.2 | 984.3 | 1073.1 | 962.2 | 44.4 | 63.5 | 63.5 | 85.9 | 1000.3 | 1047.8 | 1025.7 | 25.4 | ||
38 | in. | 45.25 | 41.00 | 44.25 | 39.88 | 2.00 | 2.62 | 2.62 | 3.75 | 41.38 | 43.50 | 42.38 | 36 | 1.00 |
mm. | 1149.3 | 1041.4 | 1124.0 | 1013.0 | 50.8 | 66.5 | 66.5 | 95.3 | 1051.1 | 1104.9 | 1076.5 | 25.4 | ||
40 | in. | 47.25 | 43.00 | 46.25 | 41.88 | 2.00 | 2.75 | 2.75 | 4.00 | 43.38 | 45.50 | 44.38 | 40 | 1.00 |
mm. | 1200.1 | 1092.2 | 1174.8 | 1063.8 | 50.8 | 69.8 | 69.8 | 101.6 | 1101.9 | 1155.7 | 1127.3 | 25.4 | ||
42 | in. | 49.75 | 45.00 | 49.00 | 44.12 | 2.38 | 2.88 | 2.88 | 4.38 | 45.75 | 47.75 | 46.88 | 40 | 1.12 |
mm. | 1263.6 | 1143.0 | 1244.6 | 1120.6 | 60.5 | 73.2 | 73.2 | 111.3 | 1162.1 | 1212.8 | 1190.8 | 28.4 | ||
44 | in. | 51.75 | 47.00 | 51.00 | 46.12 | 2.38 | 3.00 | 3.00 | 4.38 | 47.75 | 49.75 | 48.88 | 40 | 1.12 |
mm. | 1314.4 | 1193.8 | 1295.4 | 1171.4 | 60.5 | 76.2 | 76.2 | 111.3 | 1212.8 | 1263.6 | 1241.6 | 28.4 | ||
46 | in. | 54.00 | 49.25 | 53.00 | 48.12 | 2.38 | 3.12 | 3.12 | 4.62 | 49.75 | 52.00 | 50.88 | 40 | 1.12 |
mm. | 1371.6 | 1250.9 | 1346.2 | 1222.2 | 60.5 | 79.2 | 79.2 | 117.3 | 1263.6 | 1320.8 | 1292.4 | 28.4 | ||
48 | in. | 56.00 | 51.25 | 55.00 | 50.12 | 2.62 | 3.25 | 3.38 | 4.88 | 51.75 | 54.00 | 52.88 | 44 | 1.12 |
mm. | 1422.4 | 1301.8 | 1397.0 | 1273.0 | 66.5 | 82.5 | 85.9 | 124.0 | 1314.4 | 1371.6 | 1343.2 | 28.4 | ||
50 | in. | 58.25 | 53.50 | 57.00 | 52.12 | 2.62 | 3.38 | 3.38 | 4.88 | 53.75 | 56.50 | 54.88 | 44 | 1.12 |
mm. | 1479.6 | 1358.9 | 1447.8 | 1323.8 | 66.5 | 85.9 | 85.9 | 124.0 | 1365.3 | 1435.1 | 1394.0 | 28.4 | ||
52 | in. | 60.75 | 55.50 | 59.50 | 54.25 | 3.00 | 3.50 | 3.62 | 5.38 | 56.00 | 58.50 | 57.25 | 44 | 1.25 |
mm. | 1543.1 | 1409.7 | 1511.3 | 1377.9 | 76.2 | 88.9 | 91.9 | 136.7 | 1422.4 | 1485.9 | 1254.1 | 31.8 | ||
54 | in. | 63.00 | 57.75 | 61.50 | 56.25 | 3.00 | 3.62 | 3.62 | 5.38 | 58.00 | 60.75 | 59.25 | 44 | 1.25 |
mm. | 1600.2 | 1466.8 | 1562.1 | 1428.8 | 76.2 | 91.9 | 91.9 | 136.7 | 1473.2 | 1543.1 | 1504.9 | 31.8 | ||
60 | in. | 69.00 | 63.75 | 67.50 | 62.25 | 3.12 | 4.00 | 4.00 | 5.88 | 64.00 | 66.75 | 65.25 | 48 | 1.25 |
mm. | 1752.6 | 1619.3 | 1714.5 | 1581.1 | 79.2 | 101.6 | 101.6 | 149.4 | 1625.6 | 1695.4 | 1657.3 | 31.8 | ||
66 | in. | 75.00 | 69.75 | 73.50 | 68.50 | 4.00 | 4.38 | 4.38 | 6.88 | 70.00 | 72.75 | 71.25 | 56 | 1.25 |
mm. | 1905.0 | 1771.6 | 1866.9 | 1739.9 | 101.6 | 111.3 | 111.3 | 174.8 | 1778.0 | 1847.8 | 1809.8 | 31.8 | ||
72 | in. | 81.00 | 75.75 | 80.00 | 74.50 | 5.00 | 5.00 | 5.00 | 8.00 | 76.50 | 78.75 | 77.75 | 64 | 1.25 |
mm. | 2057.4 | 1924.1 | 2032.0 | 1892.3 | 127.0 | 127.0 | 127.0 | 203.2 | 1943.1 | 2000.3 | 1974.8 | 31.8 |