Industry Standard Flanges Manufacturer & Supplier
ASTM / ANSI/ ASME / DIN Industry Standard Flanges Exporter & Dealer in India
Industry Standard Slip on Flanges, Industry Standard Socket Welded Flanges, Industry Standard Threaded Flanges & Industry Standard Welding Neck Flanges Stockiest
Hitesh Metal is an eminent Industry Standard Flanges Manufacturer and trader in the contemporary market. We offer high quality Industry Standard Pipe Flanges with extreme quality at economical prices. Our Industry Standard Slip on Flanges and Industry Standard Weld Neck Flanges are noted for their exemplary properties due to which they are widely used in many industries. Moreover our Industry Standard Blind Flanges are even exported to many countries across the world.
We always maintain substantial quantity of Industry Standard Socket Weld Flanges and Industry Standard Threaded Flanges in our stock due to their high demand. The main reason why many firms choose our Industry Standard Lap Joint Flanges is their flexibility and ease of installation.
We design our Industry Standard Orifice Flanges and Industry Standard Spectacle Blind flanges in all grades and specifications making them suitable to all kinds of requirements. According to all the national and international standards, we finely finish our Industry Standard Reducing Flanges and Industry Standard Forged Flanges.
Our Industry Standard Flange Sizes are innumerable in count. For accurate and precise Industry Standard Flange Dimensions, we use latest and tested machinery. We hire well experienced and trained personnel to skillfully design ASTM Standard Flanges and API Industry Standard Flanges using modern techniques. All the raw materials used to fabricate our DIN Industry Standard Flanges and ASME / ANSI Standard Flanges ate lent from honest vendors.
For further details about our products, do visit our official website. If you have any queries, feel free to get in touch with us at any moment. Hurry up!
Industry Standard Flange Dimensions
| Nominal Size NPS | Outside Diameter of Flange | Thickness of Flange | Length thru Hub | Diameter of Hub at Base | Diameter of Raised Face | Diameter of Bolt Circle | No. of Bolt Holes | Diameter of Bolt Holes | |
| A | O | C | Y | X | R | ||||
| 26 | in. | 34.25 | 2.00 | 5.00 | 28.50 | 29.50 | 31.75 | 24 | 1.38 |
| mm. | 870.0 | 50.8 | 127.0 | 723.9 | 749.3 | 806.5 | 35.1 | ||
| 28 | in. | 36.50 | 2.06 | 5.06 | 30.75 | 31.50 | 34.00 | 28 | 1.38 |
| mm. | 927.1 | 52.3 | 128.5 | 781.1 | 800.1 | 863.6 | 35.1 | ||
| 30 | in. | 38.75 | 2.13 | 5.13 | 32.75 | 33.75 | 36.00 | 28 | 1.38 |
| mm. | 984.3 | 54.1 | 130.3 | 831.9 | 857.3 | 814.4 | 35.1 | ||
| 32 | in. | 41.75 | 2.25 | 5.25 | 35.00 | 36.00 | 38.50 | 28 | 1.63 |
| mm. | 1060.5 | 57.2 | 133.4 | 889.0 | 914.4 | 977.9 | 41.4 | ||
| 34 | in. | 43.75 | 2.31 | 5.31 | 37.00 | 38.00 | 34.25 | 32 | 1.63 |
| mm.. | 111.3 | 58.7 | 134.9 | 939.8 | 965.2 | 870.0 | 41.4 | ||
| 36 | in. | 46.00 | 2.38 | 5.38 | 39.25 | 40.25 | 42.75 | 32 | 1.63 |
| mm. | 1168.4 | 60.5 | 136.7 | 997.0 | 1022.4 | 1085.9 | 41.4 | ||
| 38 | in. | 48.75 | 2.38 | 5.38 | 41.75 | 42.25 | 45.25 | 32 | 1.63 |
| mm.. | 1238.3 | 60.5 | 136.7 | 1060.5 | 1073.2 | 1149.4 | 41.4 | ||
| 40 | in. | 50.75 | 2050 | 5.50 | 43.75 | 44.25 | 47.25 | 36 | 1.63 |
| mm. | 1289.1 | 63.5 | 139.7 | 1111.3 | 1124.0 | 1200.2 | 41.4 | ||
| 42 | in. | 53.00 | 2.63 | 5.63 | 46.00 | 47.00 | 49.50 | 36 | 1.63 |
| mm.. | 1346.2 | 66.8 | 143.0 | 1168.4 | 1193.8 | 1257.3 | 41.4 | ||
| 44 | in. | 55.25 | 2.63 | 5.63 | 48.00 | 49.00 | 51.75 | 40 | 1.63 |
| mm. | 1403.4 | 66.8 | 143.0 | 1219.2 | 1244.6 | 1314.5 | 41.4 | ||
| 46 | in. | 57.25 | 2.68 | 5.68 | 50.00 | 51.00 | 53.75 | 40 | 1.63 |
| mm. | 1454.2 | 68.1 | 144.3 | 1270.0 | 1295.4 | 1365.3 | 41.4 | ||
| 48 | in. | 59.50 | 2.75 | 5.75 | 52.25 | 53.50 | 56.00 | 44 | 1.63 |
| mm. | 1511.3 | 69.9 | 146.1 | 1327.2 | 1358.9 | 1422.4 | 41.4 | ||
| 50 | in. | 61.75 | 2.75 | 5.75 | 54.25 | 55.50 | 58.25 | 44 | 1.88 |
| mm. | 1568.5 | 69.9 | 146.1 | 1378.0 | 1409.7 | 1479.6 | 47.8 | ||
| 52 | in. | 64.00 | 2.88 | 5.88 | 56.50 | 57.50 | 60.50 | 44 | 1.88 |
| mm. | 1625.6 | 73.2 | 149.4 | 1435.1 | 1460.5 | 1536.7 | 47.8 | ||
| 54 | in. | 66.25 | 3.00 | 6.00 | 58.75 | 59.75 | 62.75 | 44 | 1.88 |
| mm. | 1682.8 | 76.2 | 152.4 | 1492.3 | 1517.7 | 1593.9 | 47.8 | ||
| 60 | in. | 73.00 | 3.13 | 6.13 | 65.25 | 66.00 | 69.25 | 52 | 1.88 |
| mm. | 1854.2 | 79.5 | 155.7 | 1657.4 | 1676.4 | 1759.0 | 47.8 | ||
| Nominal Size NPS | Outside Diameter of Flange | Thickness of Flange | Length thru Hub | Diameter of Hub at Base | Diameter of Raised Face | Diameter of Bore | Diameter of Bolt Circle | Number of Bolt Holes | Diameter of Bolt Holes | ||
| SOF | BLIND | ||||||||||
| O | C | C | Y | X | R | B | |||||
| 26 | in. | 34.25 | 2.00 | 2.00 | 3.38 | 28.50 | 29.50 | 26.25 | 31.75 | 24 | 1.38 |
| mm. | 870.0 | 50.8 | 50.8 | 85.9 | 723.9 | 749.3 | 666.8 | 806.5 | 35.1 | ||
| 28 | in. | 36.50 | 2.06 | 2.12 | 3.44 | 30.75 | 31.50 | 28.25 | 34.00 | 28 | 1.38 |
| mm. | 927.1 | 52.3 | 53.8 | 87.4 | 781.1 | 800.1 | 717.6 | 863.6 | 35.1 | ||
| 30 | in. | 38.75 | 2.13 | 2.12 | 3.50 | 32.75 | 33.75 | 30.25 | 36.00 | 28 | 1.38 |
| mm. | 984.3 | 54.1 | 53.8 | 88.9 | 831.9 | 857.3 | 768.4 | 914.4 | 35.1 | ||
| 32 | in. | 41.75 | 2.25 | 2.25 | 3.63 | 35.00 | 36.00 | 32.25 | 38.50 | 28 | 1.63 |
| mm. | 1060.5 | 57.2 | 57.2 | 92.2 | 889.0 | 914.4 | 819.2 | 977.9 | 41.4 | ||
| 34 | in. | 43.75 | 2.31 | 2.31 | 3.68 | 37.00 | 38.00 | 34.25 | 40.50 | 32 | 1.63 |
| mm. | 1111.3 | 58.7 | 58.7 | 93.5 | 939.8 | 965.2 | 870.0 | 1028.7 | 41.4 | ||
| 36 | in. | 46.00 | 2.38 | 2.38 | 3.75 | 39.25 | 40.25 | 36.25 | 42.75 | 32 | 1.63 |
| mm. | 1168.4 | 60.5 | 60.5 | 95.3 | 997.0 | 1022.4 | 920.8 | 1085.9 | 41.4 | ||
| 38 | in. | 48.75 | 2.38 | 2.38 | 3.75 | 41.75 | 42.25 | 38.25 | 45.25 | 32 | 1.63 |
| mm. | 1238.3 | 60.5 | 60.5 | 95.3 | 1060.5 | 1073.2 | 971.6 | 1149.4 | 41.4 | ||
| 40 | in. | 50.75 | 2.50 | 2.50 | 3.88 | 43.75 | 44.25 | 40.25 | 47.25 | 36 | 1.63 |
| mm. | 1289.1 | 63.5 | 63.5 | 98.6 | 1111.3 | 1124.0 | 1022.4 | 1200.2 | 41.4 | ||
| 42 | in. | 53.00 | 2.63 | 2.62 | 4.00 | 46.00 | 47.00 | 42.25 | 49.50 | 36 | 1.63 |
| mm. | 1346.2 | 66.8 | 66.5 | 101.6 | 1168.4 | 1193.8 | 1073.2 | 1257.3 | 41.4 | ||
| 44 | in. | 55.25 | 2.63 | 2.62 | 4.00 | 48.00 | 49.00 | 44.25 | 51.75 | 40 | 1.63 |
| mm. | 1403.4 | 66.8 | 66.5 | 101.6 | 1219.2 | 1244.6 | 1124.0 | 1314.5 | 41.4 | ||
| 46 | in. | 57.25 | 2.68 | 2.69 | 4.06 | 50.00 | 51.00 | 46.25 | 53.75 | 40 | 1.63 |
| mm. | 1454.2 | 68.1 | 68.3 | 103.1 | 1270.0 | 1295.4 | 1174.8 | 1365.3 | 41.4 | ||
| 48 | in. | 59.50 | 2.75 | 2.75 | 4.13 | 52.25 | 53.50 | 48.25 | 56.00 | 44 | 1.63 |
| mm. | 1511.3 | 69.9 | 69.9 | 104.9 | 1327.2 | 1358.9 | 1225.6 | 1422.4 | 41.4 | ||
| 50 | in. | 61.75 | 2.75 | 2.75 | 4.13 | 54.25 | 55.50 | 50.25 | 58.25 | 44 | 1.88 |
| mm. | 1568.5 | 69.9 | 69.9 | 104.9 | 1378.0 | 1409.7 | 1276.4 | 1479.6 | 47.8 | ||
| 52 | in. | 64.00 | 2.88 | 2.88 | 4.25 | 56.50 | 57.50 | 52.25 | 60.50 | 44 | 1.88 |
| mm. | 1625.6 | 73.2 | 73.2 | 108.0 | 1435.1 | 1460.5 | 1327.2 | 1536.7 | 47.8 | ||
| 54 | in. | 66.25 | 3.00 | 3.00 | 4.38 | 58.75 | 59.75 | 54.25 | 62.75 | 44 | 1.88 |
| mm. | 1682.8 | 76.2 | 76.2 | 111.3 | 1492.3 | 1517.7 | 1378.0 | 1593.9 | 47.8 | ||
| 60 | in. | 73.00 | 3.13 | 3.12 | 4.50 | 65.25 | 66.00 | 60.25 | 69.25 | 52 | 1.88 |
| mm. | 1854.2 | 79.5 | 79.2 | 114.3 | 1657.4 | 1676.4 | 1530.4 | 1759.0 | 47.8 | ||
| 66 | in. | 80.00 | 3.38 | 3.38 | 4.88 | 71.50 | 73.00 | 66.25 | 76.00 | 52 | 1.88 |
| mm. | 2032.0 | 85.9 | 85.9 | 124.0 | 1816.1 | 1854.2 | 1682.8 | 1930.4 | 47.8 | ||
| 72 | in. | 86.50 | 3.50 | 3.50 | 5.00 | 78.50 | 79.50 | 72.25 | 82.50 | 60 | 1.88 |
| mm. | 2197.1 | 88.9 | 88.9 | 127.0 | 1993.9 | 2019.3 | 1835.2 | 2095.5 | 47.8 | ||
| 84 | in. | 99.75 | 3.88 | 4.06 | 5.38 | 90.50 | 92.50 | 84.25 | 95.50 | 64 | 2.13 |
| mm. | 2533.7 | 98.6 | 103.1 | 136.7 | 2298.7 | 2349.5 | 2140.0 | 2525.7 | 54.1 | ||
| 96 | in. | 113.25 | 4.25 | 4.56 | 5.75 | 102.75 | 105.50 | 96.25 | 108.50 | 68 | 2.38 |
| mm. | 2876.6 | 108.0 | 115.8 | 146.1 | 2609.9 | 2679.7 | 2444.8 | 2755.9 | 60.5 | ||
| Nominal Size NPS | Outside Diameter of Flange | Thickness of Flange | Length thru Hub | Diameter of Hub at Base | Diameter of Raised Face | Diameter of Bolt Circle | No. of Bolt Holes | Diameter of Bolt Holes | ||
| WNF | BLIND | |||||||||
| A | O | C | C | Y | X | R | ||||
| 26 | in. | 31.50 | 1.38 | 1.81 | 3.38 | 27.63 | 29.00 | 29.88 | 28 | 0.88 |
| mm. | 800.1 | 35.1 | 46.0 | 85.9 | 701.8 | 736.6 | 759.0 | 22.4 | ||
| 28 | in. | 33.50 | 1.38 | 1.88 | 3.38 | 29.63 | 31.00 | 31.88 | 28 | 0.88 |
| mm. | 850.9 | 35.1 | 47.8 | 85.9 | 752.6 | 787.4 | 809.8 | 22.4 | ||
| 30 | in. | 35.75 | 1.38 | 2.00 | 3.63 | 31.88 | 33.25 | 34.13 | 36 | 0.88 |
| mm. | 908.0 | 35.1 | 50.8 | 92.2 | 809.8 | 844.5 | 866.9 | 22.4 | ||
| 32 | in. | 37.75 | 1.38 | 2.12 | 3.63 | 33.88 | 35.25 | 36.13 | 36 | 0.88 |
| mm. | 958.8 | 35.1 | 53.8 | 92.2 | 860.6 | 895.3 | 917.7 | 22.4 | ||
| 34 | in. | 40.25 | 1.50 | 2.25 | 3.75 | 35.88 | 38.38 | 38.38 | 36 | 1.00 |
| mm. | 1022.3 | 38.1 | 57.1 | 95.3 | 911.4 | 949.5 | 974.9 | 25.4 | ||
| 36 | in. | 42.25 | 1.50 | 2.38 | 3.75 | 37.88 | 39.38 | 40.38 | 36 | 1.00 |
| mm. | 1073.1 | 38.1 | 60.5 | 95.3 | 962.2 | 1000.3 | 1025.7 | 25.4 | ||
| 38 | in. | 44.25 | 1.75 | 2.50 | 4.13 | 39.88 | 41.38 | 42.38 | 36 | 1.00 |
| mm. | 1124.0 | 44.4 | 63.5 | 104.9 | 1013.0 | 1051.1 | 1076.5 | 25.4 | ||
| 40 | in. | 46.25 | 1.75 | 2.62 | 4.13 | 41.88 | 43.38 | 44.38 | 40 | 1.00 |
| mm. | 1174.8 | 44.4 | 66.5 | 104.9 | 1063.8 | 1101.9 | 1127.3 | 25.4 | ||
| 42 | in. | 49.00 | 2.00 | 2.75 | 4.50 | 44.13 | 45.75 | 46.88 | 40 | 1.13 |
| mm. | 1244.6 | 50.8 | 69.8 | 114.3 | 1120.9 | 1162.1 | 1190.8 | 28.7 | ||
| 44 | in. | 51.00 | 2.00 | 2.88 | 4.50 | 46.13 | 47.75 | 48.88 | 40 | 1.13 |
| mm. | 1295.4 | 50.8 | 73.2 | 114.3 | 1171.7 | 1212.8 | 1241.6 | 28.7 | ||
| 46 | in. | 53.00 | 2.00 | 3.00 | 4.50 | 48.13 | 49.75 | 50.88 | 40 | 1.13 |
| mm. | 1346.2 | 50.8 | 76.2 | 114.3 | 1222.5 | 1263.6 | 1292.4 | 28.7 | ||
| 48 | in. | 55.0 | 2.25 | 3.12 | 4.88 | 50.13 | 51.75 | 52.88 | 44 | 1.13 |
| mm. | 1397.0 | 57.1 | 79.2 | 124.0 | 1273.3 | 1314.4 | 1343.2 | 28.7 | ||
| 50 | in. | 57.00 | 2.25 | 3.25 | 4.88 | 52.13 | 53.75 | 54.88 | 44 | 1.13 |
| mm. | 1447.8 | 57.1 | 82.5 | 124.0 | 1324.1 | 1365.3 | 1394.3 | 28.7 | ||
| 52 | in. | 59.50 | 2.63 | 3.38 | 5.38 | 54.25 | 56.00 | 57.25 | 44 | 1.25 |
| mm. | 1511.3 | 66.8 | 85.9 | 136.7 | 1377.9 | 1422.4 | 1454.1 | 31.8 | ||
| 54 | in. | 61.5 | 2.63 | 3.50 | 5.38 | 56.25 | 58.00 | 59.25 | 44 | 1.25 |
| mm. | 1562.1 | 66.8 | 88.9 | 136.7 | 1428.8 | 1473.2 | 1504.9 | 31.8 | ||
| 60 | in. | 67.50 | 2.75 | 3.88 | 5.75 | 62.25 | 61.00 | 65.25 | 48 | 1.25 |
| mm. | 1714.5 | 69.8 | 98.6 | 146.0 | 1581.1 | 1625.6 | 1657.3 | 31.8 | ||
| 66 | in. | 73.50 | 3.13 | 4.25 | 6.13 | 68.50 | 70.00 | 71.25 | 56 | 1.25 |
| mm. | 1866.9 | 79.5 | 107.9 | 155.7 | 1739.9 | 1778.0 | 1809.8 | 31.8 | ||
| 72 | in. | 80.00 | 3.63 | 4.50 | 6.63 | 74.50 | 76.50 | 77.75 | 64 | 1.25 |
| mm. | 2032.0 | 92.2 | 114.3 | 168.4 | 1892.3 | 1943.1 | 1974.8 | 31.8 | ||
| 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 | ||
| Nominal Size NPS | Outside Diameter of Flange | Thickness of Flange | Length thru Hub | Diameter of Hub at Base | Diameter of Raised Face | Diameter of Bolt Circle | No. of Bolt Holes | Diameter of Bolt Holes | ||
| WNF | BLIND | |||||||||
| A | O | C | C | Y | X | R | ||||
| 26 | in. | 32.75 | 2.50 | 2.50 | 5.00 | 27.88 | 29.50 | 30.62 | 28 | 1.12 |
| mm. | 831.8 | 63.5 | 63.5 | 127.0 | 708.2 | 749.3 | 777.7 | 28.4 | ||
| 28 | in. | 34.75 | 2.50 | 2.62 | 5.00 | 29.88 | 31.50 | 32.62 | 28 | 1.12 |
| mm. | 882.6 | 63.5 | 66.5 | 127.0 | 759.0 | 800.1 | 828.5 | 28.4 | ||
| 30 | in. | 37.00 | 2.62 | 2.88 | 5.25 | 32.12 | 33.75 | 34.88 | 32 | 1.12 |
| mm. | 939.8 | 66.5 | 73.2 | 133.3 | 815.8 | 857.3 | 886.0 | 28.4 | ||
| 32 | in. | 39.00 | 2.75 | 3.00 | 5.50 | 34.12 | 35.75 | 36.88 | 36 | 1.12 |
| mm. | 990.6 | 69.8 | 76.2 | 139.7 | 866.6 | 908.0 | 936.8 | 28.4 | ||
| 34 | in. | 41.00 | 2.88 | 3.12 | 5.75 | 36.12 | 37.75 | 38.88 | 40 | 1.12 |
| mm. | 1041.4 | 73.2 | 79.2 | 146.00 | 917.4 | 958.8 | 987.6 | 28.4 | ||
| 36 | in. | 43.75 | 3.12 | 3.38 | 6.12 | 38.50 | 40.25 | 41.50 | 40 | 1.25 |
| mm. | 1111.3 | 79.2 | 85.9 | 155.4 | 977.9 | 1022.3 | 1054.1 | 31.8 | ||
| 38 | in. | 45.75 | 3.12 | 3.50 | 6.12 | 40.50 | 42.25 | 43.50 | 40 | 1.25 |
| mm. | 1162.1 | 79.2 | 88.9 | 155.4 | 1028.7 | 1073.1 | 1104.9 | 31.8 | ||
| 40 | in. | 47.75 | 3.25 | 3.69 | 6.25 | 42.50 | 44.25 | 45.50 | 44 | 1.25 |
| mm. | 1212.8 | 82.5 | 93.7 | 158.8 | 1079.5 | 1124.0 | 1155.7 | 31.8 | ||
| 42 | in. | 50.00 | 3.50 | 3.88 | 6.50 | 44.75 | 46.50 | 47.75 | 48 | 1.25 |
| mm. | 1270.0 | 88.9 | 98.6 | 165.1 | 1136.6 | 1181.1 | 1212.8 | 31.8 | ||
| 44 | in. | 52.75 | 3.75 | 4.00 | 6.75 | 46.75 | 48.88 | 50.25 | 44 | 1.38 |
| mm. | 1339.8 | 95.3 | 101.6 | 171.4 | 1187.5 | 1241.6 | 1276.3 | 35.1 | ||
| 46 | in. | 54.75 | 4.25 | 4.25 | 7.25 | 48.75 | 50.88 | 52.25 | 48 | 1.38 |
| mm. | 1390.6 | 107.9 | 107.9 | 184.1 | 1238.3 | 1292.4 | 1327.1 | 35.1 | ||
| 48 | in. | 56.75 | 4.25 | 4.38 | 7.25 | 50.75 | 52.88 | 54.25 | 48 | 1.38 |
| mm. | 1441.4 | 107.9 | 111.3 | 184.1 | 1289.1 | 1343.2 | 1377.9 | 3.51 | ||
| 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 | Number 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. VESSEL | O.D. VESSEL | |||||||||
| 26 | in. | 33.50 | 28.75 | 32.75 | 27.88 | 2.50 | 2.50 | 2.75 | 4.50 | 29.5 | 31.50 | 30.62 | 28 | 1.12 |
| mm. | 850.9 | 730.3 | 831.8 | 708.2 | 63.5 | 63.5 | 69.8 | 114.3 | 749.3 | 800.1 | 777.7 | 28.4 | ||
| 28 | in. | 35.50 | 30.75 | 34.75 | 29.88 | 2.50 | 2.62 | 2.88 | 4.50 | 31.50 | 33.50 | 32.62 | 28 | 1.12 |
| mm. | 901.7 | 781.0 | 882.6 | 759.0 | 63.5 | 66.5 | 73.2 | 114.3 | 800.1 | 850.9 | 828.5 | 28.4 | ||
| 30 | in. | 37.75 | 33.00 | 37.00 | 32.12 | 2.62 | 2.88 | 3.00 | 4.75 | 33.75 | 35.75 | 34.88 | 32 | 1.12 |
| mm. | 958.8 | 838.2 | 939.8 | 815.8 | 66.5 | 73.2 | 76.2 | 120.6 | 857.3 | 908.0 | 886.0 | 28.4 | ||
| 32 | in. | 39.75 | 35.00 | 39.00 | 34.12 | 2.75 | 3.00 | 3.25 | 5.00 | 35.75 | 37.75 | 36.88 | 36 | 1.12 |
| mm. | 1009.7 | 889.0 | 990.6 | 866.6 | 69.8 | 76.2 | 82.5 | 127.0 | 908.0 | 958.8 | 936.8 | 28.4 | ||
| 34 | in. | 42.25 | 37.50 | 41.00 | 36.12 | 2.88 | 3.12 | 3.38 | 5.12 | 37.75 | 40.25 | 38.88 | 40 | 1.12 |
| mm. | 1073.1 | 952.5 | 1041.4 | 917.4 | 73.2 | 79.2 | 85.9 | 130.0 | 958.8 | 1022.3 | 987.6 | 28.4 | ||
| 36 | in. | 44.75 | 39.50 | 43.75 | 38.50 | 3.12 | 3.38 | 3.62 | 5.62 | 40.25 | 42.50 | 41.50 | 40 | 1.12 |
| mm. | 1136.6 | 1003.3 | 1111.3 | 977.9 | 79.2 | 85.9 | 91.9 | 142.7 | 1022.3 | 1079.5 | 1054.1 | 28.4 | ||
| 38 | in. | 46.75 | 41.50 | 45.75 | 40.50 | 3.12 | 3.50 | 3.75 | 5.62 | 42.25 | 44.50 | 43.50 | 40 | 1.25 |
| mm. | 1187.5 | 1054.1 | 1162.1 | 1028.7 | 79.2 | 88.9 | 95.3 | 142.7 | 1073.1 | 1130.3 | 1104.9 | 31.8 | ||
| 40 | in. | 48.75 | 43.50 | 47.75 | 42.50 | 3.25 | 3.69 | 4.00 | 5.88 | 44.25 | 46.50 | 45.50 | 44 | 1.25 |
| mm. | 1238.3 | 1104.9 | 1212.8 | 1079.5 | 82.5 | 93.7 | 101.6 | 149.4 | 1124.0 | 1181.1 | 1155.7 | 31.8 | ||
| 42 | in. | 51.25 | 46.00 | 50.00 | 44.75 | 3.50 | 3.88 | 4.12 | 6.12 | 46.50 | 49.00 | 47.75 | 48 | 1.25 |
| mm. | 1301.8 | 1168.4 | 1270.0 | 1136.6 | 88.9 | 98.6 | 104.6 | 155.4 | 1181.1 | 1244.6 | 1212.8 | 31.8 | ||
| 44 | in. | 54.00 | 48.00 | 52.75 | 46.75 | 3.75 | 4.00 | 4.38 | 6.75 | 48.88 | 51.50 | 50.25 | 48 | 1.38 |
| mm. | 1371.6 | 1219.2 | 1339.8 | 1187.5 | 95.3 | 101.6 | 111.3 | 171.4 | 1241.6 | 1308.1 | 1276.3 | 35.1 | ||
| 46 | in. | 56.00 | 50.00 | 54.75 | 48.75 | 4.25 | 4.25 | 4.75 | 7.25 | 50.88 | 53.50 | 52.25 | 48 | 1.38 |
| mm. | 1422.4 | 1270.0 | 1390.6 | 1238.3 | 107.9 | 107.9 | 120.6 | 184.1 | 1292.4 | 1358.9 | 1327.1 | 35.1 | ||
| 48 | in. | 58.25 | 52.25 | 56.75 | 50.75 | 4.25 | 4.38 | 4.75 | 7.25 | 52.88 | 55.75 | 54.25 | 48 | 1.38 |
| mm. | 1479.6 | 1327.1 | 1441.4 | 1289.1 | 107.9 | 111.3 | 120.6 | 184.1 | 1343.2 | 1416.1 | 1377.9 | 35.1 | ||
Types of Industry Standard Flanges
- Industry Standard Pipe Flanges
- Industry Standard Slip on Flanges
- Industry Standard Weld Neck Flanges
- Industry Standard Blind Flanges
- Industry Standard Socket Weld Flanges
- Industry Standard Threaded Flanges
- Industry Standard Lap Joint Flanges
- Industry Standard Orifice Flanges
- Industry Standard Spectacle Blind
- Industry Standard Reducing Flanges
- Industry Standard Forged Flanges
- Industry Standard Flange Sizes
- Industry Standard Flanges Manufacturer
- Industry Standard Flange Dimensions
- ASTM Standard Flanges
- API Industry Standard Flanges
- DIN Industry Standard Flanges
- ASME / ANSI Standard Flanges
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Industry Standard Flanges Applications
| Off-Shore Oil Drilling Companies | Power Generation | Petrochemicals | Gas Processing |
| Specialty Chemicals | Pharmaceuticals | Pharmaceutical Equipment | Chemical Equipment |
| Sea Water Equipment | Heat Exchangers | Condensers | Pulp & Paper Industry |
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