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Stainless Steel Flanges
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ANSI B 16.5 Class 300 lb
We present our clients a wide spectrum of blind flanges, blanking flanges, forged blind flanges, spectacle blind flanges which find application for closing the ends of pipes, openings of pressure vessels & other channels, where an end requires to be blocked to prevent the water from flowing out. Featuring excellent durability and high performance, these blind flanges, blanking flanges, forged blind flanges, spectacle blind flanges are available in diverse specifications.
| Pipe | Flange Data | Raised Face | Drilling Data | Weight |
 |  | A | C | G | H | I | J |  |
| Outside Diameter In Mm | Overall Diameter In Mm | Flange Thickness min In Mm | Face Diameter In Mm | Number of Holes | Bolt Hole Diameter In Mm | Diameter of Circle of Holes In Mm | Kg/ Piece |
| ½ | 0.840 | 3.750 | 0.560 | 1.380 | 4 | 0.620 | 2.620 | 0.64 |
| 21.30 | 95.30 | 14.20 | 35.10 | | 15.70 | 66.55 | |
| ¾ | 1.050 | 4.620 | 0.620 | 1.690 | 4 | 0.750 | 3.250 | 1.11 |
| 26.70 | 117.3 | 15.70 | 42.90 | | 19.00 | 82.50 | |
| 1 | 1.315 | 4.880 | 0.690 | 2.000 | 4 | 0.750 | 3.500 | 1.39 |
| 33.40 | 124.0 | 17.50 | 50.80 | | 19.00 | 88.90 | |
| 1 ¼ | 1.660 | 5.250 | 0.750 | 2.500 | 4 | 0.750 | 3.880 | 1.79 |
| 42.20 | 133.4 | 19.00 | 63.50 | | 19.00 | 98.50 | |
| 1 ½ | 1.900 | 6.120 | 0.810 | 2.880 | 4 | 0.880 | 4.500 | 2.66 |
| 48.30 | 155.4 | 20.60 | 73.15 | | 22.30 | 114.3 | |
| 2 | 2.375 | 6.500 | 0.880 | 3.620 | 8 | 0.750 | 5.000 | 3.18 |
| 60.30 | 165.1 | 22.30 | 91.90 | | 19.00 | 127.0 | |
| 2 ½ | 2.875 | 7.500 | 1.000 | 4.120 | 8 | 0.880 | 5.880 | 4.85 |
| 73.00 | 190.5 | 25.40 | 104.6 | | 22.30 | 149.3 | |
| 3 | 3.500 | 8.250 | 1.120 | 5.000 | 8 | 0.880 | 6.620 | 6.81 |
| 88.90 | 209.6 | 28.40 | 127.0 | | 22.30 | 168.1 | |
| 3 ½ | 4.000 | 9.000 | 1.190 | 5.500 | 8 | 0.880 | 7.250 | 8.71 |
| 101.6 | 228.6 | 30.20 | 139.7 | | 22.30 | 184.1 | |
| 4 | 4.500 | 10.00 | 1.250 | 6.190 | 8 | 0.880 | 7.880 | 11.5 |
| 114.3 | 254.0 | 31.70 | 157.2 | | 22.30 | 200.1 | |
| 5 | 5.563 | 11.00 | 1.380 | 7.310 | 8 | 0.880 | 9.250 | 15.6 |
| 141.3 | 279.4 | 35.00 | 185.7 | | 22.30 | 234.9 | |
| 6 | 6.625 | 12.50 | 1.440 | 8.500 | 12 | 0.880 | 10.62 | 20.9 |
| 168.3 | 317.5 | 36.50 | 215.9 | | 22.30 | 269.7 | |
| 8 | 8.625 | 15.00 | 1.620 | 10.62 | 12 | 1.000 | 13.00 | 34.3 |
| 219.1 | 381.0 | 41.10 | 269.7 | | 25.40 | 330.2 | |
| 10 | 10.75 | 17.50 | 1.880 | 12.75 | 16 | 1.120 | 15.25 | 53.3 |
| 273.0 | 444.5 | 47.70 | 323.8 | | 28.40 | 387.3 | |
| 12 | 12.75 | 20.50 | 2.000 | 15.00 | 16 | 1.250 | 17.75 | 78.8 |
| 323.8 | 520.7 | 50.80 | 381.0 | | 31.70 | 450.8 | |
| 14 | 14.00 | 23.00 | 2.120 | 16.25 | 20 | 1.250 | 20.25 | 105 |
| 355.6 | 584.2 | 53.80 | 412.7 | | 31.70 | 514.3 | |
| 16 | 16.00 | 25.50 | 2.250 | 18.50 | 20 | 1.380 | 22.50 | 137 |
| 406.4 | 647.7 | 57.15 | 469.9 | | 35.00 | 571.5 | |
| 18 | 18.00 | 28.00 | 2.380 | 21.00 | 24 | 1.380 | 24.75 | 175 |
| 457.2 | 711.2 | 60.45 | 533.4 | | 35.00 | 628.6 | |
| 20 | 20.00 | 30.50 | 2.500 | 23.00 | 24 | 1.380 | 27.00 | 221 |
| 508.0 | 774.7 | 63.50 | 584.2 | | 35.00 | 685.8 | |
| 24 | 24.00 | 36.00 | 2.750 | 27.25 | 24 | 1.620 | 32.00 | 339 |
| 609.6 | 914.4 | 69.85 | 692.1 | | 41.10 | 812.8 | |
Notes - Weights are based on manufacturer's data and are approximate.
- Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is non standard)
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Blind Flanges
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