Valves: Gate: Round: Standard: ASA & ISO
APERTURE |
ASA |
ISO |
| 4” (100mm) | Contact GNB |
ISO 100 VALVE |
| 6” (150mm) | Contact GNB | ISO 160 VALVE |
| 8” (200mm) | Contact GNB | ISO 200 VALVE |
| 10” (250mm) | Contact GNB | Contact GNB |
| 10” DP* | Contact GNB | Contact GNB |
| 12” (300mm) | Contact GNB | Contact GNB |
| 14” (350mm) | Contact GNB | ISO 320 VALVE |
| 16” (400mm) | Contact GNB | ISO 400 VALVE |
| 16” DP* | Contact GNB | Contact GNB |
| 20” (500mm) | Contact GNB | ISO 500 VALVE |
| 20” DP* | Contact GNB | Contact GNB |
| 24” (630mm) | Contact GNB | ISO 630 VALVE |
| 30” (800mm) | Contact GNB | Contact GNB |
| 40” (1000mm) | Contact GNB | Contact GNB |
| 48” (1200mm) | Contact GNB | Contact GNB |
| 52” (1320mm) | Contact GNB | Contact GNB |
*DP Isolates from a diffusion pump