EVA 63id vs Post Firestone: specs compared
Updated 05 September 2026.
6
specs differ
EVA 63id and Post Firestone differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.
| Spec | EVA 63id | Post Firestone |
|---|---|---|
| Designation | 6.3 mm ID / 9.5 mm OD | 9/16"-18 UNF |
| Size / thread | 6.3 mm inner diameter, 9.5 mm outer diameter double-wall EVA line | 9/16"-18 UNF (about 14.3 mm major) |
| Fitting form | double-wall EVA beer / gas tubing | UNF male post thread |
| Seals on | the 9.5mm OD is what a Duotight 9.5mm or John Guest 3/8 collet grips | poppet inside the post; post base O-ring seals to the keg lid |
| Rating / role | the 9.5mm-system line; the wider 6.3mm bore suits longer beer runs and UK 3/8 dispense | gas and liquid posts share the thread; disconnect snaps over the outside |
| Tube OD | 9.5 mm |
Questions and answers
How do EVA 63id and Post Firestone compare?
EVA 63id and Post Firestone differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.