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1.Type: Slip-On, Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and Plate etc;
2.Standard: ANSI, JIS, DIN, EN;
3.Material: 304/304L, 316/316L, 316H, 310, F321 F44 (UNS S31254)
Alloy Steel flanges ASTM A182 F1, F5a, F9, F11, F12, F22, F91;
4.Wall Thickness: Sch10, Sch20 , Sch30, STD, Sch40, XS,Sch80, Sch100, Sch120, Sch140, XXS;
5.Pressure Rating: Class 150LBS, 300LBS, 600LBS, 900LBS, 1500LBS, 2000LBS, 3000LBS, 6000LBS, 9000 LBS;
6.Size: 1/2" - 24";
7.Surface treatment: antirust oil, black / yellow / transparent / electric galvanized / hot galvanized.

forged steel flange dimensions class150
Nominal size | Outside diam. of flange | Thick. of flange | Diam. of raised face | Diam of hub at base | Length thru hub | Diam. of bore | Depth of socket | No. of holes | Diam. of holes | Diam. of bolts | Diam. of bolt circle | Approx. weight pounds Kg | |
| O | C | R | X | Y | B | D | |||||||
| in | 1/2" | 3.5 | 0.44 | 1.38 | 1.19 | 0.62 | 0.88 | 0.38 | 4 | 0.62 | 1/2 | 2.38 | 1 |
| mm | 88.9 | 11.2 | 35.1 | 30.2 | 15.7 | 22.4 | 9.7 | 15.7 | 12.7 | 60.5 | 0.5 | ||
| in | 3/4" | 3.88 | 0.5 | 1.69 | 1.5 | 0.62 | 1.09 | 0.44 | 4 | 0.62 | 1/2 | 2.75 | 2 |
| mm | 98.6 | 12.7 | 42.9 | 38.1 | 15.7 | 27.7 | 11.2 | 15.7 | 12.7 | 69.9 | 1 | ||
| in | 1" | 4.25 | 0.56 | 2 | 1.94 | 0.69 | 1.36 | 0.5 | 4 | 0.62 | 1/2 | 3.12 | 2 |
| mm | 108 | 14.2 | 50.8 | 49.3 | 17.5 | 34.5 | 12.7 | 15.7 | 12.7 | 79.2 | 1 | ||
| in | 1 1/4" | 4.62 | 0.62 | 2.5 | 2.31 | 0.81 | 1.7 | 0.56 | 4 | 0.62 | 1/2 | 3.5 | 3 |
| mm | 117.3 | 15.7 | 63.5 | 58.7 | 20.6 | 43.2 | 14.2 | 15.7 | 12.7 | 88.9 | 1 | ||
| in | 1 1/2" | 5 | 0.69 | 2.88 | 2.56 | 0.88 | 1.95 | 0.62 | 4 | 0.62 | 1/2 | 3.88 | 3 |
| mm | 127 | 17.5 | 73.2 | 65 | 22.4 | 49.5 | 15.7 | 15.7 | 12.7 | 98.6 | 1 | ||
| in | 2" | 6 | 0.75 | 3.62 | 3.06 | 1 | 2.44 | 0.69 | 4 | 0.75 | 5/8 | 4.75 | 5 |
| mm | 152.4 | 19.1 | 91.9 | 77.7 | 25.4 | 62 | 17.5 |








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