Our NSF-61-372 certified Class 150 Stainless Steel Flat-Face Slip-On Flanges are fully machined and made of ASTM A182 in dual grades 304/304L or 316/316L Stainless Steel. Dimensions and Tolerances per ANSI/ASME B16.5. Bolt pattern per ANSI Class 150. We manufacture these flanges in domestic (AIS) options, and our machine shop can modify ANSI/ASME 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 | Nominal Size | O.D. | I.D. | Ø B.H.C. | Ø B.H. | # B.H. | THK 1 | THK 2 | H.D. | R.H. (RAD) | Weight (Lbs.) |
| SFFS0050-CLN | 0.5 | 3.50 | 0.88 | 2.38 | 0.63 | 4 | 0.44 | 0.63 | 1.38 | 0.188 | 1.2 |
| SFFS0075-CLN | 0.75 | 3.88 | 1.09 | 2.75 | 0.63 | 4 | 0.50 | 0.63 | 1.69 | 0.188 | 1.6 |
| SFFS0100-CLN | 1 | 4.25 | 1.36 | 3.13 | 0.63 | 4 | 0.56 | 0.69 | 2.00 | 0.188 | 2.0 |
| SFFS0125-CLN | 1.25 | 4.63 | 1.70 | 3.50 | 0.63 | 4 | 0.63 | 0.81 | 2.50 | 0.188 | 3.0 |
| SFFS0150-CLN | 1.5 | 5.00 | 1.95 | 3.88 | 0.63 | 4 | 0.69 | 0.88 | 2.88 | 0.188 | 3.0 |
| SFFS0200-CLN | 2 | 6.00 | 2.44 | 4.75 | 0.75 | 4 | 0.75 | 1.00 | 3.63 | 0.188 | 5.0 |
| SFFS0250-CLN | 2.5 | 7.00 | 2.94 | 5.50 | 0.75 | 4 | 0.88 | 1.13 | 4.13 | 0.188 | 8.0 |
| SFFS0300-CLN | 3 | 7.50 | 3.57 | 6.00 | 0.75 | 4 | 0.94 | 1.19 | 5.00 | 0.188 | 9.0 |
| SFFS0350-CLN | 3.5 | 8.50 | 4.07 | 7.00 | 0.75 | 8 | 0.94 | 1.25 | 5.50 | 0.188 | 11.0 |
| SFFS0400-CLN | 4 | 9.00 | 4.57 | 7.50 | 0.75 | 8 | 0.94 | 1.31 | 6.19 | 0.188 | 13.0 |
| SFFS0500-CLN | 5 | 10.00 | 5.66 | 8.50 | 0.88 | 8 | 0.94 | 1.44 | 7.31 | 0.188 | 15.0 |
| SFFS0600-CLN | 6 | 11.00 | 6.72 | 9.50 | 0.88 | 8 | 1.00 | 1.56 | 8.50 | 0.250 | 17.0 |
| SFFS0800-CLN | 8 | 13.50 | 8.72 | 11.75 | 0.88 | 8 | 1.13 | 1.75 | 10.63 | 0.250 | 28.0 |
| SFFS1000-CLN | 10 | 16.00 | 10.88 | 14.25 | 1.00 | 12 | 1.19 | 1.94 | 12.75 | 0.250 | 40.0 |
| SFFS1200-CLN | 12 | 19.00 | 12.88 | 17.00 | 1.00 | 12 | 1.25 | 2.19 | 15.00 | 0.313 | 61.0 |
| SFFS1400-CLN | 14 | 21.00 | 14.14 | 18.75 | 1.13 | 12 | 1.38 | 2.25 | 16.25 | 0.313 | 83.0 |
| SFFS1600-CLN | 16 | 23.50 | 16.16 | 21.25 | 1.13 | 16 | 1.44 | 2.50 | 18.50 | 0.313 | 106.0 |
| SFFS1800-CLN | 18 | 25.00 | 18.18 | 22.75 | 1.25 | 16 | 1.56 | 2.69 | 21.00 | 0.313 | 109.0 |
| SFFS2000-CLN | 20 | 27.50 | 20.20 | 25.00 | 1.25 | 20 | 1.69 | 2.88 | 23.00 | 0.313 | 148.0 |
| SFFS2200-CLN | 22 | 29.50 | 22.22 | 27.25 | 1.38 | 20 | 1.84 | 3.13 | 25.25 | 0.313 | 174.0 |
| SFFS2400-CLN | 24 | 32.00 | 24.25 | 29.50 | 1.38 | 20 | 1.88 | 3.25 | 27.25 | 0.313 | 204.0 |
