A cast steel (GS-C25N) control valve for neutral gases and liquids in industrial plants. It covers DN 15-300 at PN 16, 25 and 40, with an electric or pneumatic actuator.


| Body Material | Cast steel |
| Size | DN 15 - DN 300 |
| Working Pressure | PN 16, PN 25, PN 40 |
| End Connection | Flanges according to EN 1092-1 Type 21 |
| Leakage Class | EN 1349 - seat leakage IV L1 (≤ 0.01% of nominal flow rate) |
| Application Range | Neutral gaseous and liquid media, 0 to +180 °C (with stem heater down to -30 °C; with stuffing box extension or stainless-steel bellows -30 °C to +400 °C) |
| Body Material (detail) | Cast steel GS-C25N 1.0619+N |
| Plug/Stem Material | CrNi steel 1.4057 / CrMo steel 1.4122 |
| Stem Sealing | EPDM, max. 180 °C (alternative stem sealing up to 400 °C) |