Nitrogen / beer-gas regulator (CGA-580 inlet vs Sanke L coupler (type L: specs compared
Updated 05 September 2026.
5
specs differ
Nitrogen / beer-gas regulator (CGA-580 inlet and Sanke L coupler (type L differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Nitrogen / beer-gas regulator (CGA-580 inlet | Sanke L coupler (type L |
|---|---|---|
| Designation | CGA-580 inlet, 5/16" barb out | type L, 5/8 BSP ports |
| Size / thread | CGA-580 (0.965"-14 NGO RH) cylinder inlet; 5/16" barb or 1/4" MFL gas outlet | 5/8" BSP (7/8"-14) beer and gas ports, L-system probe |
| Fitting form | single-stage gas regulator, nitrogen side | single-probe keg coupler |
| Seals on | washer in the CGA-580 nut on the tank; barb under a worm clamp or flare on its face at the outlet | flat washer on each threaded port |
| Rating / role | dual-gauge nitrogen / argon / beer-gas regulator, typically 0 to 50 psi working pressure | the less common L-system standard |
Questions and answers
How do Nitrogen / beer-gas regulator (CGA-580 inlet and Sanke L coupler (type L compare?
Nitrogen / beer-gas regulator (CGA-580 inlet and Sanke L coupler (type L differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.