Sanke U vs W218: specs compared
Updated 05 September 2026.
5
specs differ
Sanke U and W218 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Sanke U | W218 |
|---|---|---|
| Designation | type U, UEC / Guinness | W21.8-14 (DIN 477 / BS 341 No.8) |
| Size / thread | 5/8" BSP beer and gas ports, U-system probe | W21.8 x 1/14" (22 mm, 14 TPI) |
| Fitting form | single-probe keg coupler | cylinder valve outlet nut, external |
| Seals on | flat washer on each threaded port | captive O-ring or washer in the nut against the valve outlet |
| Rating / role | the U / UEC nitro-stout standard | the European, UK, Oceania and Asian CO2 cylinder connection |
Questions and answers
How do Sanke U and W218 compare?
Sanke U and W218 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.