Sanke G coupler (Grundy) (type G vs Sanke L coupler (type L: specs compared
Updated 05 September 2026.
3
specs differ
Sanke G coupler (Grundy) (type G and Sanke L coupler (type L differ on 3 specs: designation, size / thread, rating / role.
| Spec | Sanke G coupler (Grundy) (type G | Sanke L coupler (type L |
|---|---|---|
| Designation | type G, Grundy | type L, 5/8 BSP ports |
| Size / thread | 5/8" BSP beer and gas ports, Grundy probe | 5/8" BSP (7/8"-14) beer and gas ports, L-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 less common L-system standard |
Questions and answers
How do Sanke G coupler (Grundy) (type G and Sanke L coupler (type L compare?
Sanke G coupler (Grundy) (type G and Sanke L coupler (type L differ on 3 specs: designation, size / thread, rating / role.