Our NSF®-61-372 certified AWWA Class SE Stainless Steel Blind Flanges are manufactured to meet AWWA C228 and ANSI #150 drill pattern specifications. At atmospheric temperature, this blind flange is pressure rated up to 275psi. We manufacture these flanges in domestic (AIS) options, and our machine shop can modify AWWA flanges to spec.
These products have been certified by NSF® against the requirements of NSF/ANSI/CAN 61 and NSF/ANSI/CAN 372. See official listing.
Downloads:
| API Part Number | Size | O.D. | I.D. | Ø B.H.C. | Ø B.H. | # B.H. | THK | Weight Lbs |
| SPFBL0400-E-CLN | 4 | 9.00 | BLIND | 7.50 | 0.750 | 8 | 1.125 | 19.0 |
| SPFBL0500-E-CLN | 5 | 10.00 | BLIND | 8.50 | 0.875 | 8 | 1.188 | 24.0 |
| SPFBL0600-E-CLN | 6 | 11.00 | BLIND | 9.50 | 0.875 | 8 | 1.313 | 33.0 |
| SPFBL0800-E-CLN | 8 | 13.50 | BLIND | 11.75 | 0.875 | 8 | 1.500 | 58.0 |
| SPFBL1000-E-CLN | 10 | 16.00 | BLIND | 14.25 | 1.000 | 12 | 1.563 | 84.0 |
| SPFBL1200-E-CLN | 12 | 19.00 | BLIND | 17.00 | 1.000 | 12 | 1.750 | 135.0 |
| SPFBL1400-E-CLN | 14 | 21.00 | BLIND | 18.75 | 1.125 | 12 | 1.875 | 176.0 |
| SPFBL1600-E-CLN | 16 | 23.50 | BLIND | 21.25 | 1.125 | 16 | 2.000 | 234.0 |
| SPFBL1800-E-CLN | 18 | 25.00 | BLIND | 22.75 | 1.250 | 16 | 2.125 | 283.0 |
| SPFBL2000-E-CLN | 20 | 27.50 | BLIND | 25.00 | 1.250 | 20 | 2.375 | 382.0 |
| SPFBL2200-E-CLN | 22 | 29.50 | BLIND | 27.25 | 1.375 | 20 | 2.500 | 462.0 |
| SPFBL2400-E-CLN | 24 | 32.00 | BLIND | 29.50 | 1.375 | 20 | 2.625 | 575.0 |
| SPFBL2600-E-CLN | 26 | 34.25 | BLIND | 31.75 | 1.375 | 24 | 2.750 | 689.0 |
| SPFBL2800-E-CLN | 28 | 36.50 | BLIND | 34.00 | 1.375 | 28 | 2.750 | 782.0 |
| SPFBL3000-E-CLN | 30 | 38.75 | BLIND | 36.00 | 1.375 | 28 | 2.875 | 926.0 |
| SPFBL3200-E-CLN | 32 | 41.75 | BLIND | 38.50 | 1.625 | 28 | 3.000 | 1113.0 |
| SPFBL3400-E-CLN | 34 | 43.75 | BLIND | 40.50 | 1.625 | 32 | 3.050 | 1241.0 |
| SPFBL3600-E-CLN | 36 | 46.00 | BLIND | 42.75 | 1.625 | 32 | 3.209 | 1450.0 |
| SPFBL3800-E-CLN | 38 | 48.75 | BLIND | 45.25 | 1.625 | 32 | 3.394 | 1730.0 |
| SPFBL4000-E-CLN | 40 | 50.75 | BLIND | 47.25 | 1.625 | 36 | 3.533 | 1949.0 |
| SPFBL4200-E-CLN | 42 | 53.00 | BLIND | 49.50 | 1.625 | 36 | 3.695 | 2230.0 |
| SPFBL4400-E-CLN | 44 | 55.25 | BLIND | 51.75 | 1.625 | 40 | 3.857 | 2528.0 |
| SPFBL4600-E-CLN | 46 | 57.25 | BLIND | 53.75 | 1.625 | 40 | 3.997 | 2819.0 |
| SPFBL4800-E-CLN | 48 | 59.50 | BLIND | 56.00 | 1.625 | 44 | 4.159 | 3167.0 |
| SPFBL5000-E-CLN | 50 | 61.75 | BLIND | 58.25 | 1.875 | 44 | 4.327 | 3520.0 |
| SPFBL5200-E-CLN | 52 | 64.00 | BLIND | 60.50 | 1.875 | 44 | 4.489 | 3935.0 |
| SPFBL5400-E-CLN | 54 | 66.25 | BLIND | 62.75 | 1.875 | 44 | 4.651 | 4380.0 |
| SPFBL6000-E-CLN | 60 | 73.00 | BLIND | 69.25 | 1.875 | 52 | 5.116 | 5855.0 |
| SPFBL6600-E-CLN | 66 | 80.00 | BLIND | 76.00 | 1.875 | 52 | 5.601 | 7745.0 |
| SPFBL7200-E-CLN | 72 | 86.50 | BLIND | 82.50 | 1.875 | 60 | 6.066 | 9810.0 |
