Key Specifications / Features
Model No.: LF 14 WNF 12 Hits: 655
China A350 Forged Steel Welding Neck Flange Manufacuturer: ASTM A350, 300LB, PN50 Welding Neck Flanges, 26-60 Inch, HG 20593, ISO 7005, DN650-DN1500.
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Detail Information
Product: 300LB Forged Steel Welding Neck Flange.
Type: Welding Neck Flange.
Materials: ASTM A350, Forged Steel.
Standards: HG 20593, ISO 7005.
Pressure: 300LB (PN50).
Sizes: 26-60 Inch (DN650-DN1500).
| Pipe Normal Diam. | O.D. OF Flange |
Thickness | Length Through Hub |
Diam. of Hub at Base |
Hub Diam. Top |
Raised Face Diam. |
Diam. of Bolt Circle |
No. of Bolt Holes |
Diam. of Bolt Holes |
Diam. of Bolt |
Fillet Radius Min. |
| inch | O | C | Y | X | A | R | BD | BN | BH | DB | r1 |
| 26" | 866.6 | 88.9 | 144.5 | 701.5 | 665.2 | 736.6 | 803.1 | 32 | 35.1 | 1 1/4 | 14.2 |
| 28" | 920.8 | 88.9 | 149.4 | 755.7 | 716 | 787.4 | 857.3 | 36 | 35.1 | 1 1/4 | 14.2 |
| 30" | 990.6 | 93.7 | 158 | 812.8 | 768.4 | 844.6 | 920.8 | 36 | 38.1 | 1 3/8 | 14.2 |
| 32" | 1054.1 | 103.1 | 168.1 | 863.6 | 819.2 | 901.7 | 977.9 | 32 | 41.1 | 1 1/2 | 15.7 |
| 34" | 1107.9 | 103.1 | 173 | 917.4 | 870 | 952.5 | 1031.7 | 36 | 41.1 | 1 1/2 | 15.7 |
| 36" | 1171.4 | 103.1 | 180.8 | 965.2 | 920.8 | 1009.7 | 1089.2 | 32 | 44.5 | 1 5/8 | 15.7 |
| 38" | 1222.2 | 111.3 | 192 | 1016 | 971.6 | 1060.5 | 1140 | 36 | 44.5 | 1 5/8 | 15.7 |
| 40" | 1273 | 115.8 | 198.4 | 1066.8 | 1022.4 | 1114.6 | 1190.8 | 40 | 44.5 | 1 5/8 | 15.7 |
| 42" | 1333.5 | 119.1 | 204.7 | 1117.6 | 1074.7 | 1168.4 | 1244.6 | 36 | 47.8 | 1 3/4 | 15.7 |
| 44" | 1384.3 | 127 | 214.4 | 1173.2 | 1125.5 | 1219.2 | 1295.4 | 40 | 47.8 | 1 3/4 | 15.7 |
| 46" | 1460.5 | 128.5 | 222.3 | 1228.9 | 1176.3 | 1270 | 1365.3 | 36 | 50.8 | 1 7/8 | 15.7 |
| 48" | 1511.3 | 128.5 | 223.8 | 1277.9 | 1227.1 | 1327.2 | 1416.1 | 40 | 50.8 | 1 7/8 | 15.7 |
| 50" | 1562.1 | 138.2 | 235 | 1330.5 | 1277.9 | 1378 | 1466.9 | 44 | 50.8 | 1 7/8 | 15.7 |
| 52" | 1612.9 | 142.7 | 242.8 | 1382.8 | 1328.7 | 1428.8 | 1517.7 | 48 | 50.8 | 1 7/8 | 15.7 |
| 54" | 1673.4 | 136.7 | 239.8 | 1435.1 | 1379.5 | 1479.6 | 1577.8 | 48 | 50.8 | 1 7/8 | 15.7 |
| 56" | 1765.3 | 153.9 | 268.2 | 1493.8 | 1430.3 | 1536.7 | 1651 | 36 | 60.5 | 2 1/4 | 17.5 |
| 58" | 1827.3 | 153.9 | 274.6 | 1547.9 | 1481.1 | 1593.9 | 1713 | 40 | 60.5 | 2 1/4 | 17.5 |
| 60" | 1878.1 | 150.9 | 271.5 | 1598.7 | 1531.9 | 1651 | 1763.8 | 40 | 60.5 | 2 1/4 | 17.5 |
