From the 1st May 2026 (serial number 2605 onwards) all ProCore® systems (T-series, E-series and C-series) will be fitted with Norgren pressure reducing valves (PRV's), as part of our ongoing product improvements and compliance alignment process. Previous PRV components will be discontinued.
| Stormtec PRV - discontinued | Norgren PRV - Fitted following the 1st May 2026 | |
| 8mm PRV 2 Bar | 701886 | 703144 |
| 8mm PRV 3 bar | 701076 | 703125 |