Class 300 Forged Stainless Steel Raised Face Slip-On Flanges are available in corrosion resistant 304L and 316L stainless steel. These flanges meet the dimensions and tolerances under ASME B16.5 and ASTM A182 specifications. 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 |
| SRFS0050-30 | 0.5 | 3.75 | 0.88 | 2.63 | 0.750 | 4 | 0.563 | 0.880 | 1.500 | 1.375 | 0.188 | 1.0 |
| SRFS0075-30 | 0.75 | 4.63 | 1.09 | 3.25 | 0.750 | 4 | 0.625 | 1.000 | 1.875 | 1.688 | 0.188 | 2.0 |
| SRFS0100-30 | 1 | 4.88 | 1.36 | 3.50 | 0.750 | 4 | 0.688 | 1.063 | 2.125 | 2.000 | 0.188 | 3.0 |
| SRFS0125-30 | 1.25 | 5.25 | 1.70 | 3.88 | 0.750 | 4 | 0.750 | 1.063 | 2.500 | 2.500 | 0.188 | 3.5 |
| SRFS0150-30 | 1.5 | 6.13 | 1.95 | 4.50 | 0.875 | 4 | 0.813 | 1.188 | 2.750 | 2.875 | 0.188 | 5.5 |
| SRFS0200-30 | 2 | 6.50 | 2.44 | 5.00 | 0.750 | 8 | 0.875 | 1.313 | 3.313 | 3.625 | 0.188 | 6.5 |
| SRFS0250-30 | 2.5 | 7.50 | 2.94 | 5.88 | 0.875 | 8 | 1.000 | 1.500 | 3.938 | 4.125 | 0.188 | 10.0 |
| SRFS0300-30 | 3 | 8.25 | 3.57 | 6.63 | 0.875 | 8 | 1.125 | 1.688 | 4.625 | 5.000 | 0.188 | 13.0 |
| SRFS0350-30 | 3.5 | 9.00 | 3.57 | 7.25 | 0.875 | 8 | 1.188 | 1.750 | 5.250 | 5.500 | 0.188 | 17.0 |
| SRFS0400-30 | 4 | 10.00 | 4.57 | 7.88 | 0.875 | 8 | 1.250 | 1.875 | 5.750 | 6.188 | 0.188 | 21.0 |
| SRFS0500-30 | 5 | 11.00 | 5.66 | 9.25 | 0.875 | 8 | 1.375 | 2.000 | 7.000 | 7.313 | 0.188 | 28.0 |
| SRFS0600-30 | 6 | 12.50 | 6.72 | 10.63 | 0.875 | 12 | 1.438 | 2.063 | 8.125 | 8.500 | 0.250 | 35.0 |
| SRFS0800-30 | 8 | 15.00 | 8.72 | 13.00 | 1.000 | 12 | 1.625 | 2.438 | 10.250 | 10.625 | 0.250 | 55.0 |
| SRFS1000-30 | 10 | 17.50 | 10.88 | 15.25 | 1.125 | 16 | 1.875 | 2.625 | 12.625 | 12.750 | 0.250 | 79.0 |
| SRFS1200-30 | 12 | 20.50 | 12.88 | 17.75 | 1.250 | 16 | 2.000 | 2.875 | 14.750 | 15.000 | 0.313 | 113.0 |
| SRFS1400-30 | 14 | 23.00 | 14.14 | 20.25 | 1.250 | 20 | 2.125 | 3.000 | 16.750 | 16.250 | 0.313 | 158.0 |
| SRFS1600-30 | 16 | 25.50 | 16.16 | 22.50 | 1.375 | 20 | 2.250 | 3.250 | 19.000 | 18.500 | 0.313 | 204.0 |
| SRFS1800-30 | 18 | 28.00 | 18.18 | 24.75 | 1.375 | 24 | 2.375 | 3.500 | 21.000 | 21.000 | 0.313 | 230.0 |
| SRFS2000-30 | 20 | 30.50 | 20.20 | 27.00 | 1.375 | 24 | 2.500 | 3.750 | 23.125 | 23.000 | 0.313 | 280.0 |
| SRFS2400-30 | 24 | 36.00 | 24.25 | 32.00 | 1.625 | 24 | 2.750 | 4.188 | 27.625 | 27.250 | 0.313 | 396.0 |
