Specifications
| MODEL NUMBER | DIAGRAM | NOMINAL ID | A | B | C | D | E | F |
| ISO-63-0R-B | A | 5.118 | 0.742 | 4.331 | ||||
| ISO-63-250N | B | 2 1/2 | 5.118 | 0.742 | 2.438 | 2.510 | 0.250 | 4.331 |
| ISO-80-000N | A | 5.709 | 0.742 | 4.921 | ||||
| ISO-80-300N | B | 3 1/2 | 5.709 | 0.742 | 2.938 | 3.010 | 0.250 | 4.921 |
| ISO-100-000N | A | 6.496 | 0.742 | 5.709 | ||||
| ISO-100-400N | B | 4 | 6.496 | 0.742 | 3.910 | 4.010 | 0.250 | 5.709 |
| ISO-160-000N | A | 8.858 | 0.630 | 7.874 | ||||
| ISO-160-600N | B | 6 | 8.858 | 0.630 | 5.875 | 6.020 | 0.375 | 7.874 |
| ISO-200-000N | A | 11.220 | 0.630 | 10.236 | ||||
| ISO-200-800N | B | 8 | 11.220 | 0.630 | 7.875 | 8.020 | 0.375 | 10.236 |
| ISO-250-000N | A | 13.189 | 0.630 | 12.205 | ||||
| ISO-250-1000N | B | 10 | 13.189 | 0.787 | 9.875 | 10.020 | 0.375 | 12.205 |
| ISO-320-000N | A | 16.732 | 0.787 | 15.551 | ||||
| ISO-320-1200N | B | 12 | 16.732 | 0.787 | 11.760 | 12.020 | 0.375 | 15.551 |
| ISO-320-1275N | B | 12 | 16.732 | 0.787 | 12.420 | 12.770 | 0.375 | 15.551 |
| ISO-400-000N | A | 20.079 | 0.787 | 18.898 | ||||
| ISO-400-1600N | B | 16 | 20.079 | 0.787 | 15.642 | 16.020 | 0.375 | 18.898 |
| ISO-500-000N | A | 24.016 | 0.787 | 22.835 | ||||
| ISO-500-2000N | B | 20 | 24.016 | 0.787 | 19.642 | 20.020 | 0.375 | 22.835 |
| MODEL NUMBER | BOLT HOLES | BOLT DIAMETER |
| ISO-63-0R-B | 4 | 0.359 |
| ISO-63-250N | 4 | 0.359 |
| ISO-80-000N | 8 | 0.359 |
| ISO-80-300N | 8 | 0.359 |
| ISO-100-000N | 8 | 0.359 |
| ISO-100-400N | 8 | 0.359 |
| ISO-160-000N | 8 | 0.359 |
| ISO-160-600N | 8 | 0.359 |
| ISO-200-000N | 12 | 0.438 |
| ISO-200-800N | 12 | 0.438 |
| ISO-250-000N | 12 | 0.438 |
| ISO-250-1000N | 12 | 0.438 |
| ISO-320-000N | 12 | 0.551 |
| ISO-320-1200N | 12 | 0.551 |
| ISO-320-1275N | 12 | 0.551 |
| ISO-400-000N | 16 | 0.551 |
| ISO-400-1600N | 16 | 0.551 |
| ISO-500-000N | 16 | 0.551 |
| ISO-500-2000N | 16 | 0.551 |
Specifications - ISO Non Rotatable Flanges
| General: Optional fastener or nonrotatable flanges with clearance bolt holes |
| Nominal OD sizes: ISO-63 to ISO-500 |
| Tube sizes: 2-1/2 to 20 inches |
| Materials Flange: 304 or 316L stainless steel O-rings: Viton, Buna Bolts: 18-8 stainless steel |
| Vacuum range: Elastomer seal: >= 1 x 10-8 Torr – High vacuum EVAC metal seal: >= 1 x 10-11 Torr – UHV |
| Temperature range: Viton: -20°C to 200°C Buna: -30°C to 110°C EVAC metal seal: -270°C to 150°C |
