Our Class 150 Stainless Steel Flat Face Blind Flanges are fully machined from domestic (AIS) or import ASTM A182 or ASTM A240 in dual grades 304/304L or 316/316L stainless steel and their dimensions and tolerances meet ASME B16.5 specifications. The bolt pattern meets ANSI/ASME Class 150. Our machine shop can also modify ANSI/ASME flanges to meet your project requirements.
Please contact us for a quote.
Downloads:
| API Part Number | Size | O.D. | I.D. | Ø B.H.C. | Ø B.H. | # B.H. | THK | Weight Lbs |
| SFFBL0050 | 0.5 | 3.50 | BLIND | 2.38 | 0.630 | 4 | 0.440 | 3.0 |
| SFFBL0075 | 0.75 | 3.88 | BLIND | 2.75 | 0.630 | 4 | 0.500 | 4.0 |
| SFFBL0100 | 1 | 4.25 | BLIND | 3.13 | 0.630 | 4 | 0.563 | 4.5 |
| SFFBL0125 | 1.25 | 4.63 | BLIND | 3.50 | 0.630 | 4 | 0.630 | 5.0 |
| SFFBL0150 | 1.5 | 5.00 | BLIND | 3.88 | 0.630 | 4 | 0.690 | 5.5 |
| SFFBL0200 | 2 | 6.00 | BLIND | 4.75 | 0.750 | 4 | 0.750 | 6.0 |
| SFFBL0250 | 2.5 | 7.00 | BLIND | 5.50 | 0.750 | 4 | 0.880 | 9.0 |
| SFFBL0300 | 3 | 7.50 | BLIND | 6.00 | 0.750 | 4 | 0.940 | 11.5 |
| SFFBL0350 | 3.5 | 8.50 | BLIND | 7.00 | 0.750 | 8 | 0.940 | 13.5 |
| SFFBL0400 | 4 | 9.00 | BLIND | 7.50 | 0.750 | 8 | 0.940 | 15.5 |
| SFFBL0500 | 5 | 10.00 | BLIND | 8.50 | 0.875 | 8 | 0.940 | 19.5 |
| SFFBL0600 | 6 | 11.00 | BLIND | 9.50 | 0.875 | 8 | 1.000 | 25.5 |
| SFFBL0800 | 8 | 13.50 | BLIND | 11.75 | 0.875 | 8 | 1.130 | 44.5 |
| SFFBL1000 | 10 | 16.00 | BLIND | 14.25 | 1.000 | 12 | 1.190 | 67.0 |
| SFFBL1200 | 12 | 19.00 | BLIND | 17.00 | 1.000 | 12 | 1.250 | 98.0 |
| SFFBL1400 | 14 | 21.00 | BLIND | 18.75 | 1.125 | 12 | 1.380 | 134.0 |
| SFFBL1600 | 16 | 23.50 | BLIND | 21.25 | 1.125 | 16 | 1.440 | 176.0 |
| SFFBL1800 | 18 | 25.00 | BLIND | 22.75 | 1.250 | 16 | 1.563 | 215.0 |
| SFFBL2000 | 20 | 27.50 | BLIND | 25.00 | 1.250 | 20 | 1.690 | 286.0 |
| SFFBL2200 | 22 | 29.50 | BLIND | 27.25 | 1.375 | 20 | 1.840 | 358.0 |
| SFFBL2400 | 24 | 32.00 | BLIND | 29.50 | 1.375 | 20 | 1.880 | 426.0 |
