Class 300 Forged Stainless Steel Raised Face Blind Flanges meet the dimensions and tolerances under ANSI B16.5 and ASTM A182 specifications. This flange type is available in 304L and 316L stainless steel, a material preferred for corrosion resistance.
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 |
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