EVA 5ID vs GU Thread Adapter: specs compared
Updated 05 September 2026.
6
specs differ
EVA 5ID and GU Thread Adapter differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.
| Spec | EVA 5ID | GU Thread Adapter |
|---|---|---|
| Designation | 5 mm ID / 8 mm OD | 13/16"-14 to 7/8"-14 |
| Size / thread | 5 mm inner diameter, 8 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 8mm OD is what a Duotight 8mm or John Guest 5/16 collet grips | flat washer on each threaded face |
| Rating / role | the common 8mm-system beer line; wider 5mm bore than the 4mm gas line | 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 | 8 mm |
Questions and answers
How do EVA 5ID and GU Thread Adapter compare?
EVA 5ID and GU Thread Adapter differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.