Cga320 vs Cga580: specs compared
Updated 05 September 2026.
3
specs differ
Cga320 and Cga580 differ on 3 specs: designation, size / thread, rating / role.
| Spec | Cga320 | Cga580 |
|---|---|---|
| Designation | 0.825"-14 NGO RH | 0.965"-14 NGO RH |
| Size / thread | 0.825"-14 NGO (National Gas Outlet), right hand | 0.965"-14 NGO (National Gas Outlet), right hand, external |
| Fitting form | cylinder valve outlet nut, external | cylinder valve outlet nut, external |
| Seals on | nylon or fibre washer inside the nut against the valve outlet | nylon or fibre washer inside the nut against the valve outlet |
| Rating / role | the North American CO2 cylinder connection, on refillable tanks up to about 1800 psi | the North American connection for nitrogen, argon and beer-gas (N2/CO2 mix) cylinders, up to 3000 psig |
Questions and answers
How do Cga320 and Cga580 compare?
Cga320 and Cga580 differ on 3 specs: designation, size / thread, rating / role.