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. 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 | 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 |
