Class 300 Forged Stainless Steel Raised Face Blind Flanges meet the dimensions and tolerances under ASME B16.5 and ASTM A182 specifications. This flange type is available in 304L and 316L stainless steel, a material preferred for corrosion resistance. 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 |
| SRFB0050-30 | 0.5 | 3.75 | BLIND | 2.63 | 0.750 | 4 | 0.563 | 1.375 | 3.0 |
| SRFB0075-30 | 0.75 | 4.63 | BLIND | 3.25 | 0.750 | 4 | 0.625 | 1.688 | 4.0 |
| SRFB0100-30 | 1 | 4.88 | BLIND | 3.50 | 0.750 | 4 | 0.688 | 2.000 | 5.0 |
| SRFB0125-30 | 1.25 | 5.25 | BLIND | 3.88 | 0.750 | 4 | 0.750 | 2.500 | 5.5 |
| SRFB0150-30 | 1.5 | 6.13 | BLIND | 4.50 | 0.875 | 4 | 0.813 | 2.875 | 6.0 |
| SRFB0200-30 | 2 | 6.50 | BLIND | 5.00 | 0.750 | 8 | 0.875 | 3.625 | 6.5 |
| SRFB0250-30 | 2.5 | 7.50 | BLIND | 5.88 | 0.875 | 8 | 1.000 | 4.125 | 10.0 |
| SRFB0300-30 | 3 | 8.25 | BLIND | 6.63 | 0.875 | 8 | 1.125 | 5.000 | 15.0 |
| SRFB0350-30 | 3.5 | 9.00 | BLIND | 7.25 | 0.875 | 8 | 1.188 | 5.500 | 21.0 |
| SRFB0400-30 | 4 | 10.00 | BLIND | 7.88 | 0.875 | 8 | 1.250 | 6.188 | 27.0 |
| SRFB0500-30 | 5 | 11.00 | BLIND | 9.25 | 0.875 | 8 | 1.375 | 7.313 | 39.0 |
| SRFB0600-30 | 6 | 12.50 | BLIND | 10.63 | 0.875 | 12 | 1.438 | 8.500 | 48.0 |
| SRFB0800-30 | 8 | 15.00 | BLIND | 13.00 | 1.000 | 12 | 1.625 | 10.625 | 75.0 |
| SRFB1000-30 | 10 | 17.50 | BLIND | 15.25 | 1.125 | 16 | 1.875 | 12.750 | 122.0 |
| SRFB1200-30 | 12 | 20.50 | BLIND | 17.75 | 1.250 | 16 | 2.000 | 15.000 | 180.0 |
| SRFB1400-30 | 14 | 23.00 | BLIND | 20.25 | 1.250 | 20 | 2.125 | 16.250 | 241.0 |
| SRFB1600-30 | 16 | 25.50 | BLIND | 22.50 | 1.375 | 20 | 2.250 | 18.500 | 312.0 |
| SRFB1800-30 | 18 | 28.00 | BLIND | 24.75 | 1.375 | 24 | 2.375 | 21.000 | 398.0 |
| SRFB2000-30 | 20 | 30.50 | BLIND | 27.00 | 1.375 | 24 | 2.500 | 23.000 | 500.0 |
| SRFB2400-30 | 24 | 36.00 | BLIND | 32.00 | 1.625 | 24 | 2.750 | 27.250 | 760.0 |
