ASTM A216 Stainless Steel Weld Neck Flange, RF
Key Specifications / Features
China RF Stainless Steel Weld Neck Flange: ASTM A216 F44, S31254 Weld Neck Flanges, DIN 2576, DIN 2628, ASME B16.47, SCH 20S-80S, 2500LB, 1/2-12 Inch.
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Detail Information
Product: ASTM A216 Weld Neck Flange.
Type: Weld Neck Flange.
Materials: ASTM A216, Stainless Steel Flange.
Grades: F44, S31254.
Standards: DIN 2576, DIN 2628, ASME B16.47.
Face: RF.
Schedules: Schedule 20S-Schedule 80S.
Pressure: 2500LB (PN420).
Size: 1/2-12 Inch (DN15-DN300).
| Nominal Size | O.D. Flange | Thk. Of Flange Min | Diam. Of Hub | Hub Diam. Chamfer of W.N | Length Hub.Y | Diam. of Bolt Circle | Diam. of Bolt Holes | Number of Bolts | Diam. Of Bolts (inch) | KG | LB | |
| inch | dn | O | C | X | A | Y | BC | BH | BN | BD | ||
| 1/2" | 15 | 133.4 | 30.2 | 42.9 | 21.3 | 73.2 | 88.9 | 22.4 | 4 | 3/4" | 3.2 | 7 |
| 3/4" | 20 | 139.7 | 31.8 | 50.8 | 26.7 | 79.2 | 95.3 | 22.4 | 4 | 3/4" | 3.6 | 8 |
| 1" | 25 | 158.8 | 35.1 | 57.2 | 33.5 | 88.9 | 108 | 25.4 | 4 | 7/8" | 5.4 | 12 |
| 1-1/4" | 32 | 184.2 | 38.1 | 73.2 | 42.2 | 95.3 | 130 | 28.4 | 4 | 1" | 7.8 | 17.2 |
| 1-1/2" | 40 | 203.2 | 44.5 | 79.2 | 48.3 | 111.3 | 146.1 | 31.8 | 4 | 1 1/8" | 11.5 | 25.4 |
| 2" | 50 | 235 | 50.8 | 95.3 | 60.5 | 127 | 171.5 | 28.4 | 8 | 1" | 19 | 42 |
| 2-1/2" | 65 | 266.7 | 57.2 | 114.3 | 73.2 | 142.7 | 196.9 | 31.8 | 8 | 1 1/8" | 24 | 52 |
| 3" | 80 | 304.8 | 66.5 | 133.4 | 88.9 | 168.1 | 228.6 | 35.1 | 8 | 1 1/4" | 42.6 | 94 |
| 4" | 100 | 355.6 | 76.2 | 165.1 | 114.3 | 190.5 | 273.1 | 41.1 | 8 | 1 1/2" | 64 | 141 |
| 5" | 125 | 419.1 | 91.9 | 203.2 | 141.2 | 228.6 | 323.9 | 47.8 | 8 | 1 3/4" | 111 | 244 |
| 6" | 150 | 482.6 | 108 | 235 | 168.4 | 273.1 | 368.3 | 53.8 | 8 | 2" | 171 | 378 |
| 8" | 200 | 552.5 | 127 | 304.8 | 219.2 | 317.5 | 438.2 | 53.8 | 12 | 2" | 261 | 576 |
| 10" | 250 | 673.1 | 165.1 | 374.7 | 273.1 | 419.1 | 539.8 | 66.5 | 12 | 2 1/2" | 485 | 1068 |
| 12" | 300 | 762 | 184.2 | 441.5 | 323.9 | 463.6 | 619.3 | 73.2 | 12 | 2 3/4" | 698 | 1539 |
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