EVA 63id vs GU Thread Adapter: specs compared
Updated 05 September 2026.
6
specs differ
EVA 63id and GU Thread Adapter differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.
| Spec | EVA 63id | GU Thread Adapter |
|---|---|---|
| Designation | 6.3 mm ID / 9.5 mm OD | 13/16"-14 to 7/8"-14 |
| Size / thread | 6.3 mm inner diameter, 9.5 mm outer diameter double-wall EVA line | 1/2" BSP (13/16"-14) one end, 5/8" BSP (7/8"-14) the other |
| Fitting form | double-wall EVA beer / gas tubing | port thread adapter |
| Seals on | the 9.5mm OD is what a Duotight 9.5mm or John Guest 3/8 collet grips | flat washer on each threaded face |
| Rating / role | the 9.5mm-system line; the wider 6.3mm bore suits longer beer runs and UK 3/8 dispense | converts the 1/2" BSP (13/16"-14) beer port some G and U couplers carry to the 5/8" BSP (7/8"-14) standard |
| Tube OD | 9.5 mm |
Questions and answers
How do EVA 63id and GU Thread Adapter compare?
EVA 63id and GU Thread Adapter differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.