ASTM A351, A285 WN Flange, PN50, ANSI B16.5, RF
Key Specifications / Features
China ASTM A351, ASTM A285 WN Flange: ANSI B16.5 Weld Neck Flanges in ASTM A351, ASTM A285, PN50 (300LB), Raised Face, 1/2-8 Inch (DN15-DN200).
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Detail Information
Product: PN50 Raised Face WN Flange.
Type: WN Flange.
Materials: ASTM A351, ASTM A285.
Face: RF.
Standards: ANSI B16.5.
Pressure: PN50 (300LB).
Size: 1/2-8 Inch (DN15-DN200)
| 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 |
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