Restrictor Plate vs W218: specs compared
Updated 05 September 2026.
5
specs differ
Restrictor Plate and W218 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Restrictor Plate | W218 |
|---|---|---|
| Designation | 5-hole restrictor plate | W21.8-14 (DIN 477 / BS 341 No.8) |
| Size / thread | internal disc, typically with five small holes, sized to the stout faucet body | W21.8 x 1/14" (22 mm, 14 TPI) |
| Fitting form | internal flow-restricting disc | cylinder valve outlet nut, external |
| Seals on | sits captive inside the stout faucet, not a threaded joint | captive O-ring or washer in the nut against the valve outlet |
| Rating / role | the part that de-gasses nitro beer as it is forced through its small holes | the European, UK, Oceania and Asian CO2 cylinder connection |
Questions and answers
How do Restrictor Plate and W218 compare?
Restrictor Plate and W218 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.