Elbow TP vs Bs341 8: specs compared
Updated 05 September 2026.
5
specs differ
Elbow TP and Bs341 8 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Elbow TP | Bs341 8 |
|---|---|---|
| Designation | 5/8" G nut x 5/16" barb | W21.8 (British designation) |
| Size / thread | 5/8" G (BSP) hex nut on one end, 5/16" hose barb at 90 degrees | 21.8 mm x 14 TPI right hand, external (the W21.8 thread) |
| Fitting form | right-angle barbed tailpiece | cylinder valve outlet nut, external |
| Seals on | flat washer against the shank or coupler face; barb under a worm clamp | captive O-ring or washer in the nut against the valve outlet |
| Rating / role | turns a beer line down or sideways in tight kegerator space | the British Standard 341 designation for the CO2 cylinder outlet used across the UK |
Questions and answers
How do Elbow TP and Bs341 8 compare?
Elbow TP and Bs341 8 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.