Corrosion-resistant Class 150 Forged Stainless Steel Raised Face Blind Flanges are manufactured from 304L and 316L stainless steel, and the dimensions and tolerances meet ASME B16.5 and ASTM A182 specifications.
Downloads:
| API Part Number | Size | O.D. | I.D. | Ø B.H.C. | Ø B.H. | # B.H. | THK | Ø RF | Weight Lbs |
| SRFB0050 | 0.5 | 3.50 | BLIND | 2.38 | 0.630 | 4 | 0.440 | 1.375 | 3.0 |
| SRFB0075 | 0.75 | 3.88 | BLIND | 2.75 | 0.630 | 4 | 0.500 | 1.688 | 4.0 |
| SRFB0100 | 1 | 4.25 | BLIND | 3.13 | 0.630 | 4 | 0.563 | 2.000 | 4.5 |
| SRFB0125 | 1.25 | 4.63 | BLIND | 3.50 | 0.630 | 4 | 0.630 | 2.500 | 5.0 |
| SRFB0150 | 1.5 | 5.00 | BLIND | 3.88 | 0.630 | 4 | 0.690 | 2.875 | 5.5 |
| SRFB0200 | 2 | 6.00 | BLIND | 4.75 | 0.750 | 4 | 0.750 | 3.625 | 6.0 |
| SRFB0250 | 2.5 | 7.00 | BLIND | 5.50 | 0.750 | 4 | 0.880 | 4.125 | 9.0 |
| SRFB0300 | 3 | 7.50 | BLIND | 6.00 | 0.750 | 4 | 0.940 | 5.000 | 11.5 |
| SRFB0350 | 3.5 | 8.50 | BLIND | 7.00 | 0.750 | 8 | 0.940 | 5.500 | 13.5 |
| SRFB0400 | 4 | 9.00 | BLIND | 7.50 | 0.750 | 8 | 0.940 | 6.188 | 15.5 |
| SRFB0500 | 5 | 10.00 | BLIND | 8.50 | 0.875 | 8 | 0.940 | 7.313 | 19.5 |
| SRFB0600 | 6 | 11.00 | BLIND | 9.50 | 0.875 | 8 | 1.000 | 8.500 | 25.5 |
| SRFB0800 | 8 | 13.50 | BLIND | 11.75 | 0.875 | 8 | 1.130 | 10.625 | 44.5 |
| SRFB1000 | 10 | 16.00 | BLIND | 14.25 | 1.000 | 12 | 1.190 | 12.750 | 67.0 |
| SRFB1200 | 12 | 19.00 | BLIND | 17.00 | 1.000 | 12 | 1.250 | 15.000 | 98.0 |
| SRFB1400 | 14 | 21.00 | BLIND | 18.75 | 1.125 | 12 | 1.380 | 16.250 | 134.0 |
| SRFB1600 | 16 | 23.50 | BLIND | 21.25 | 1.125 | 16 | 1.440 | 18.500 | 176.0 |
| SRFB1800 | 18 | 25.00 | BLIND | 22.75 | 1.250 | 16 | 1.563 | 21.000 | 215.0 |
| SRFB2000 | 20 | 27.50 | BLIND | 25.00 | 1.250 | 20 | 1.690 | 23.000 | 286.0 |
| SRFB2200 | 22 | 29.50 | BLIND | 27.25 | 1.375 | 20 | 1.840 | 25.250 | 358.0 |
| SRFB2400 | 24 | 32.00 | BLIND | 29.50 | 1.375 | 20 | 1.880 | 27.250 | 426.0 |
