Mini CO2 regulator (cartridge) (5/8-18 inlet vs Sanke G coupler (Grundy) (type G: specs compared
Updated 05 September 2026.
5
specs differ
Mini CO2 regulator (cartridge) (5/8-18 inlet and Sanke G coupler (Grundy) (type G differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Mini CO2 regulator (cartridge) (5/8-18 inlet | Sanke G coupler (Grundy) (type G |
|---|---|---|
| Designation | 5/8-18 inlet, 1/4" MFL out | type G, Grundy |
| Size / thread | 5/8-18 UNF inlet for a 74g threaded cartridge; 1/4" MFL (7/16-20 UNF) or 1/4" FFL outlet | 5/8" BSP beer and gas ports, Grundy probe |
| Fitting form | compact cartridge-fed CO2 regulator | single-probe keg coupler |
| Seals on | cartridge seat at the inlet; flare face at the outlet | flat washer on each threaded port |
| Rating / role | a small regulator that runs off a 74g threaded CO2 cartridge instead of a full tank | the British Grundy standard |
Questions and answers
How do Mini CO2 regulator (cartridge) (5/8-18 inlet and Sanke G coupler (Grundy) (type G compare?
Mini CO2 regulator (cartridge) (5/8-18 inlet and Sanke G coupler (Grundy) (type G differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.