Cornelius corny keg post (19/32"-18 UNF) vs DUO QD Gas8: specs compared
Updated 05 September 2026.
5
specs differ
Cornelius corny keg post (19/32"-18 UNF) and DUO QD Gas8 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Cornelius corny keg post (19/32"-18 UNF) | DUO QD Gas8 |
|---|---|---|
| Designation | 19/32"-18 UNF | grey QD, 8mm push-in tail |
| Size / thread | 19/32"-18 UNF (about 15.1 mm major) | snaps over the gas post; integrated 8mm push-in tail |
| Fitting form | UNF male post thread | snap-on gas QD with integrated push-in |
| Seals on | poppet inside the post; the post base O-ring seals to the keg lid | O-ring over the post shoulder; 8mm push-in O-rings on the tube |
| Rating / role | gas post and liquid post share the thread; the disconnect snaps over the outside, not the thread | the gas-side ball-lock disconnect with a built-in 8mm Duotight, no separate flare fitting needed |
Questions and answers
How do Cornelius corny keg post (19/32"-18 UNF) and DUO QD Gas8 compare?
Cornelius corny keg post (19/32"-18 UNF) and DUO QD Gas8 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.