WNRF/RFWN Flange dimensions–ANSI ASME Flange
Welding Neck flange with raised face (wnrf flange), wnrf flange dimension from 1/2 inch to 96 inch, pressure rating from 75lb/sq.in to 2500lb/sq.in, we usually offer ANSI/ASME/DIN etc. Standard Flange with wnrf flange dimensions.
- 150lb Welding Neck Raised Face ANSI/ASME B16.5 from 1/2 NPS to 24 NPS
- 300lb Welding Neck Raised Face ANSI/ASME B16.5 from 1/2 NPS to 24 NPS
- 600lb Welding Neck Raised Face ANSI/ASME B16.5 from 1/2 NPS to 24 NPS
- 900lb Welding Neck Raised Face ANSI/ASME B16.5 from 1/2 NPS to 24 NPS
- 1500lb Welding Neck Raised Face ANSI/ASME B16.5 from 1/2 NPS to 24 NPS
- 2500lb Welding Neck Raised Face ANSI/ASME B16.5 from 1/2 NPS to 24 NPS
WNRF Flange dimensions of ANSI/ASME B16.5 150lb
| Pipe Normal Diam. | O.D. Flange | Thk. Of Flange Min | Diam. of Hub |
Diameter of Raised Face | Hub Diam. Chamfer of W.N |
Length Hub.Y | Bore | Diam. of Bolt Circle |
Diam. of Bolt Holes |
Number of Bolts |
Diam. of Bolts (inch) |
KG | LB | |
| inch | dn | O | C | X | G | A | Y | B | BC | BH | BN | BD | ||
| 1/2" | 15 | 89.00 | 11.20 | 30.20 | 35.10 | 21.30 | 47.80 | 15.80 | 60.50 | 15.80 | 4 | 1/2" | 0.7 | 1.5 |
| 3/4" | 20 | 98.50 | 12.70 | 38.10 | 42.90 | 26.70 | 52.30 | 20.80 | 69.90 | 15.80 | 4 | 1/2" | 0.8 | 1.8 |
| 1" | 25 | 108.00 | 14.20 | 49.30 | 50.80 | 33.50 | 55.60 | 26.70 | 79.30 | 15.80 | 4 | 1/2" | 1.1 | 2.4 |
| 1-1/4" | 32 | 117.50 | 15.70 | 58.70 | 63.50 | 42.20 | 57.20 | 35.10 | 88.90 | 15.80 | 4 | 1/2" | 1.5 | 3.3 |
| 1-1/2" | 40 | 127.00 | 17.50 | 65.00 | 73.20 | 48.30 | 62.00 | 40.90 | 98.60 | 15.80 | 4 | 1/2" | 1.8 | 4 |
| 2" | 50 | 152.50 | 19.10 | 77.70 | 91.90 | 60.50 | 63.50 | 52.60 | 120.70 | 19.10 | 4 | 5/8" | 2.7 | 6 |
| 2-1/2" | 65 | 178.00 | 22.40 | 90.40 | 104.60 | 73.20 | 69.90 | 62.70 | 139.70 | 19.10 | 4 | 5/8" | 4.4 | 9.8 |
| 3" | 80 | 190.50 | 23.90 | 108.00 | 127.00 | 88.90 | 69.90 | 78.00 | 152.40 | 19.10 | 4 | 5/8" | 5.2 | 11.5 |
| 3-1/2" | 90 | 216.00 | 23.90 | 122.20 | 139.70 | 101.60 | 71.40 | 90.20 | 177.80 | 19.10 | 8 | 5/8" | 6.4 | 14.2 |
| 4" | 100 | 228.50 | 23.90 | 134.90 | 157.20 | 114.30 | 76.20 | 102.40 | 190.50 | 19.10 | 8 | 5/8" | 7.5 | 16.6 |
| 5" | 125 | 254.00 | 23.90 | 163.60 | 185.70 | 141.20 | 88.90 | 128.30 | 215.90 | 22.40 | 8 | 3/4" | 9.2 | 20.2 |
| 6" | 150 | 279.50 | 25.40 | 192.00 | 215.90 | 168.40 | 88.90 | 154.20 | 241.30 | 22.40 | 8 | 3/4" | 11 | 24.3 |
| 8" | 200 | 343.00 | 28.40 | 246.10 | 269.70 | 219.20 | 101.60 | 202.70 | 298.50 | 22.40 | 8 | 3/4" | 18.4 | 40.6 |
| 10" | 250 | 406.50 | 30.20 | 304.80 | 323.90 | 273.10 | 101.60 | 254.50 | 362.00 | 25.40 | 12 | 7/8" | 25.5 | 56.2 |
| 12" | 300 | 482.50 | 31.80 | 365.30 | 381.00 | 323.90 | 114.30 | 304.80 | 431.80 | 25.40 | 12 | 7/8" | 37 | 81.4 |
| 14" | 350 | 533.50 | 35.10 | 400.10 | 412.80 | 355.60 | 127.00 | 476.30 | 28.50 | 12 | 1" | 51 | 113 | |
| 16" | 400 | 597.00 | 36.60 | 457.20 | 469.90 | 406.40 | 127.00 | 539.80 | 28.50 | 16 | 1" | 61.5 | 136 | |
| 18" | 450 | 635.00 | 39.60 | 505.00 | 533.40 | 457.20 | 139.70 | 577.90 | 31.80 | 16 | 1 1/8" | 71.5 | 158 | |
| 20" | 500 | 698.50 | 42.90 | 558.80 | 584.20 | 508.00 | 144.50 | 635.00 | 31.80 | 20 | 1 1/8" | 85 | 187 | |
| 24" | 600 | 813.00 | 47.80 | 663.40 | 692.20 | 609.60 | 152.40 | 749.30 | 35.10 | 20 | 1 1/4" | 119 | 262 | |
WNRF Flange dimensions of ANSI/ASME B16.5 300lb
| Pipe Normal Diam. | O.D. Flange | Thk. Of Flange Min | Diam. of Hub |
Diameter of Raised Face | Hub Diam. Chamfer of W.N |
Length Hub.Y | Bore | Diam. of Bolt Circle |
Diam. of Bolt Holes |
Number of Bolts |
Diam. of Bolts (inch) |
Approx. Weight | ||
| inch | dn | O | C | X | G | A | Y | B | BC | BH | BN | BD | KG/PCS | LB/PCS |
| 1/2" | 15 | 95.5 | 14.2 | 38.1 | 35.1 | 21.3 | 52.3 | 15.7 | 66.5 | 15.7 | 4 | 1/2" | 0.8 | 1.8 |
| 3/4" | 20 | 117. 5 | 15.7 | 47.8 | 42.9 | 26.7 | 57.2 | 20.8 | 82.6 | 19.1 | 4 | 5/8" | 1.4 | 3.1 |
| 1" | 25 | 124. 0 | 17.5 | 53.8 | 50.8 | 33.5 | 62 | 26.7 | 88.9 | 19.1 | 4 | 5/8" | 1.7 | 3.7 |
| 1-1/4" | 32 | 133. 5 | 19.1 | 63.5 | 63.5 | 42.2 | 65 | 35.1 | 98.6 | 19.1 | 4 | 5/8" | 2.2 | 4.8 |
| 1-1/2" | 40 | 155. 5 | 20.6 | 69.9 | 73.2 | 48.3 | 68.3 | 40.9 | 114.3 | 22.4 | 4 | 5/8" | 3.2 | 7 |
| 2" | 50 | 165. 0 | 22.4 | 84.1 | 91.9 | 60.5 | 69.9 | 52.6 | 127 | 19.1 | 8 | 5/8" | 3.6 | 7.9 |
| 2-1/2" | 65 | 190. 5 | 25.4 | 100.1 | 104.6 | 73.2 | 76.2 | 62.7 | 149.4 | 22.4 | 8 | 3/4" | 5.4 | 12 |
| 3" | 80 | 209. 5 | 28.4 | 117.3 | 127 | 88.9 | 79.2 | 78 | 168.1 | 22.4 | 8 | 3/4" | 7.3 | 16.1 |
| 3-1/2" | 90 | 228. 5 | 30.2 | 133.4 | 139.7 | 101.6 | 81 | 90.2 | 184.2 | 22.4 | 8 | 3/4" | 8.9 | 19.6 |
| 4" | 100 | 254. 0 | 31.8 | 146.1 | 157.2 | 114.3 | 85.9 | 102.4 | 200.2 | 22.4 | 8 | 3/4" | 11.8 | 26 |
| 5" | 125 | 279. 5 | 35.1 | 177.8 | 185.7 | 141.2 | 98.6 | 128.3 | 235 | 22.4 | 8 | 3/4" | 16 | 35.2 |
| 6" | 150 | 317. 5 | 36.6 | 206.2 | 215.9 | 168.4 | 98.6 | 154.2 | 269.7 | 22.4 | 12 | 3/4" | 20.2 | 44.6 |
| 8" | 200 | 381. 0 | 41.1 | 260.4 | 269.7 | 219.2 | 111. 3 | 202.7 | 330.2 | 25.4 | 12 | 7/8" | 31.2 | 68.8 |
| 10" | 250 | 444. 5 | 47.8 | 320.5 | 323.9 | 273.1 | 117. 3 | 254.5 | 387.4 | 28.4 | 16 | 1" | 44.3 | 97.5 |
| 12" | 300 | 520. 5 | 50.8 | 374.7 | 381 | 323.9 | 130. 0 | 304.8 | 450.9 | 31.8 | 16 | 1 1/8" | 63.5 | 140 |
| 14" | 350 | 584. 0 | 53.8 | 425.5 | 412.8 | 355.6 | 142. 7 | 514..4 | 31.8 | 20 | 1 1/8" | 86 | 190 | |
| 16" | 400 | 647. 5 | 57.2 | 482.6 | 469.9 | 406.4 | 146. 1 | 571.5 | 35.1 | 20 | 1 1/4" | 112 | 247 | |
| 18" | 450 | 711. 0 | 60.5 | 533.4 | 533.4 | 457.2 | 158. 8 | 628.7 | 35.1 | 24 | 1 1/4" | 141 | 310 | |
| 20" | 500 | 774. 5 | 63.5 | 587.2 | 584.2 | 508 | 162. 1 | 685.8 | 35.1 | 24 | 1 1/4" | 173 | 382 | |
| 24" | 600 | 914. 5 | 69.9 | 701.5 | 692.2 | 609.6 | 168. 1 | 812.8 | 41.1 | 24 | 1 1/2" | 248 | 546 | |
WNRF Flange dimensions of ANSI/ASME B16.5 600lb
| Pipe Normal Diam. | O.D. Flange | Thk. Of Flange Min | Diam. of Hub |
Diameter of Raised Face | Hub Diam. Chamfer of W.N |
Length Hub | Diam. of Bolt Circle |
Diam. of Bolt Holes |
Number of Bolts |
Diam. of Bolts (inch) |
Approx. Weight | ||
| inch | dn | O | C | X | G | A | Y | BC | BH | BN | BD | KG/PCS | LB/PCS |
| 1/2" | 15 | 95.5 | 14.2 | 38.1 | 35.1 | 22.4 | 52.3 | 66.5 | 15.7 | 4 | 1/2" | 0.9 | 2 |
| 3/4" | 20 | 117. 5 | 15.7 | 47.8 | 42.9 | 25.4 | 57.2 | 82.6 | 19.1 | 4 | 5/8" | 1.6 | 3.5 |
| 1" | 25 | 124. 0 | 17.5 | 53.8 | 50.8 | 26.9 | 62 | 88.9 | 19.1 | 4 | 5/8" | 1.9 | 4.2 |
| 1-1/4" | 32 | 133. 5 | 20.6 | 63.5 | 63.5 | 28.4 | 66.5 | 98.6 | 19.1 | 4 | 5/8" | 2.6 | 5.8 |
| 1-1/2" | 40 | 155. 5 | 22.4 | 69.9 | 73.2 | 31.8 | 69.9 | 114.3 | 22.4 | 4 | 3/4" | 3.6 | 8 |
| 2" | 50 | 165. 0 | 25.4 | 84.1 | 91.9 | 36.6 | 73.2 | 127 | 19.1 | 8 | 5/8" | 4.7 | 10.4 |
| 2-1/2" | 65 | 190. 5 | 28.4 | 100.1 | 104.6 | 41.1 | 79.2 | 149.4 | 22.4 | 8 | 3/4" | 4.8 | 15 |
| 3" | 80 | 209. 5 | 31.8 | 117.3 | 127 | 46 | 82.6 | 168.1 | 22.4 | 8 | 3/4" | 8.7 | 19.3 |
| 3-1/2" | 90 | 228. 5 | 35.1 | 133.4 | 139.7 | 49.3 | 85.9 | 184.2 | 25.4 | 8 | 7/8" | 11.6 | 25.5 |
| 4" | 100 | 273. 0 | 38.1 | 152.4 | 157.2 | 53.8 | 101. 6 | 215.9 | 25.4 | 8 | 7/8" | 18.4 | 40.5 |
| 5" | 125 | 330. 0 | 44.5 | 189 | 185.7 | 60.5 | 114. 3 | 266.7 | 28.4 | 8 | 1" | 31 | 68 |
| 6" | 150 | 355. 5 | 47.8 | 222.3 | 215.9 | 66.5 | 117. 3 | 292.1 | 28.4 | 12 | 1" | 37 | 81.4 |
| 8" | 200 | 419. 0 | 55.6 | 273.1 | 269.7 | 76.2 | 133. 4 | 349.3 | 31.8 | 12 | 1 1/8" | 54.5 | 120 |
| 10" | 250 | 508. 0 | 63.5 | 342.9 | 323.9 | 85.9 | 152. 4 | 431.8 | 35.1 | 16 | 1 1/4" | 98.5 | 195 |
| 12" | 300 | 559. 0 | 66.5 | 400.1 | 381 | 91.9 | 155. 4 | 489 | 35.1 | 20 | 1 1/4" | 105 | 231 |
| 14" | 350 | 603. 5 | 69.9 | 431.8 | 412.8 | 93.7 | 165. 1 | 527.1 | 38.1 | 20 | 1 3/8" | 150 | 330 |
| 16" | 400 | 686. 0 | 76.2 | 495.3 | 469.9 | 106.4 | 177. 8 | 603.3 | 41.1 | 20 | 1 1/2" | 177 | 390 |
| 18" | 450 | 743. 0 | 82.6 | 546.1 | 533.4 | 117.3 | 184. 2 | 654.1 | 44.5 | 20 | 1 5/8" | 228 | 503 |
| 20" | 500 | 813. 0 | 88.9 | 609.6 | 584.2 | 127 | 190. 5 | 723.9 | 44.5 | 24 | 1 5/8" | 285 | 628 |
| 24" | 600 | 940. 0 | 101.6 | 717.6 | 692.2 | 139.7 | 203. 2 | 838.2 | 50.8 | 24 | 1 7/8" | 372 | 820 |
wnrf flange include other pressure rating, like class 900, class 1500, class 2500, ansi b16.47 ser.A, ser.B etc.
