Stop-check valves combine shut-off and non-return functions within a single body. They are used in systems where backflow prevention is required together with the possibility of manual shut-off.
- Types: ZO 2 / ZO 3
- Nominal pressure: PN 16 – PN 40
- Nominal diameter: DN 15 – DN 200
- Standard: EN 12266 / DIN 3230
- Function: shut-off + non-return
- Connection: flanged
- Media: water, steam, air
