Sanke G coupler (Grundy) (type G vs Sanke U: specs compared
Updated 05 September 2026.
3
specs differ
Sanke G coupler (Grundy) (type G and Sanke U differ on 3 specs: designation, size / thread, rating / role.
| Spec | Sanke G coupler (Grundy) (type G | Sanke U |
|---|---|---|
| Designation | type G, Grundy | type U, UEC / Guinness |
| Size / thread | 5/8" BSP beer and gas ports, Grundy probe | 5/8" BSP beer and gas ports, U-system probe |
| Fitting form | single-probe keg coupler | single-probe keg coupler |
| Seals on | flat washer on each threaded port | flat washer on each threaded port |
| Rating / role | the British Grundy standard | the U / UEC nitro-stout standard |
Questions and answers
How do Sanke G coupler (Grundy) (type G and Sanke U compare?
Sanke G coupler (Grundy) (type G and Sanke U differ on 3 specs: designation, size / thread, rating / role.