These Class 150 Forged Steel Raised Face Flanges are stronger than cast flanges and more resistant to wear and tear, especially when used in high-pressure or high-temperature applications. The material meets ASTM A105 requirements. Dimensions and Tolerances per ASME B16.5. We stock ASME B16.5 flanges in both domestic (AIS) and import options. Our machine shop can also modify ANSI/ASME flanges to meet your project requirements.
Downloads:
| API Part Number | Size | O.D. | I.D. | Ø B.H.C. | Ø B.H. | # B.H. | THK 1 | THK 2 | H.D. | Ø RF | RH (RAD) | Weight Lbs |
| RFS0050 | 0.5 | 3.50 | 0.88 | 2.38 | 0.630 | 4 | 0.440 | 0.630 | 1.190 | 1.375 | 0.188 | 0.9 |
| RFS0075 | 0.75 | 3.88 | 1.09 | 2.75 | 0.630 | 4 | 0.500 | 0.630 | 1.500 | 1.688 | 0.188 | 1.3 |
| RFS0100 | 1 | 4.25 | 1.36 | 3.13 | 0.630 | 4 | 0.563 | 0.690 | 1.940 | 2.000 | 0.188 | 1.55 |
| RFS0125 | 1.25 | 4.63 | 1.70 | 3.50 | 0.630 | 4 | 0.630 | 0.813 | 2.313 | 2.500 | 0.188 | 2.2 |
| RFS0150 | 1.5 | 5.00 | 1.95 | 3.88 | 0.630 | 4 | 0.690 | 0.880 | 2.563 | 2.875 | 0.188 | 3.0 |
| RFS0200 | 2 | 6.00 | 2.44 | 4.75 | 0.750 | 4 | 0.750 | 1.000 | 3.063 | 3.625 | 0.188 | 5.0 |
| RFS0250 | 2.5 | 7.00 | 2.94 | 5.50 | 0.750 | 4 | 0.880 | 1.130 | 3.563 | 4.125 | 0.188 | 8.0 |
| RFS0300 | 3 | 7.50 | 3.57 | 6.00 | 0.750 | 4 | 0.940 | 1.190 | 4.250 | 5.000 | 0.188 | 9.0 |
| RFS0400 | 4 | 9.00 | 4.57 | 7.50 | 0.750 | 8 | 0.940 | 1.313 | 5.312 | 6.188 | 0.188 | 13.0 |
| RFS0500 | 5 | 10.00 | 5.66 | 8.50 | 0.875 | 8 | 0.940 | 1.440 | 6.440 | 7.313 | 0.188 | 15.0 |
| RFS0600 | 6 | 11.00 | 6.72 | 9.50 | 0.875 | 8 | 1.000 | 1.563 | 7.563 | 8.500 | 0.250 | 17.0 |
| RFS0800 | 8 | 13.50 | 8.72 | 11.75 | 0.875 | 8 | 1.130 | 1.750 | 9.690 | 10.625 | 0.250 | 28.0 |
| RFS1000 | 10 | 16.00 | 10.88 | 14.25 | 1.000 | 12 | 1.190 | 1.940 | 12.000 | 12.750 | 0.250 | 40.0 |
| RFS1200 | 12 | 19.00 | 12.88 | 17.00 | 1.000 | 12 | 1.250 | 2.190 | 14.380 | 15.000 | 0.3125 | 61.0 |
| RFS1400 | 14 | 21.00 | 14.14 | 18.75 | 1.125 | 12 | 1.380 | 2.250 | 15.750 | 16.250 | 0.3125 | 83.0 |
| RFS1600 | 16 | 23.50 | 16.16 | 21.25 | 1.125 | 16 | 1.440 | 2.500 | 18.000 | 18.500 | 0.3125 | 106.0 |
| RFS1800 | 18 | 25.00 | 18.18 | 22.75 | 1.250 | 16 | 1.563 | 2.690 | 19.880 | 21.000 | 0.3125 | 109.0 |
| RFS2000 | 20 | 27.50 | 20.20 | 25.00 | 1.250 | 20 | 1.690 | 2.880 | 22.000 | 23.000 | 0.3125 | 148.0 |
| RFS2400 | 24 | 32.00 | 24.25 | 29.50 | 1.375 | 20 | 1.880 | 3.250 | 26.130 | 27.250 | 0.3125 | 204.0 |
