STV
Stop valve
Reliable isolation of refrigeration and industrial circuits
Specifications
Le robinet d'arrêt RFF est conçu pour isoler en toute sécurité un équipement ou une section de tuyauterie. Son corps en acier forgé et son mécanisme à boîtier à brides garantissent une tenue à la pression et une longévité supérieure, y compris en conditions de cyclage thermique sévères. Le siège remplaçable permet une maintenance économique sans remplacement de l'ensemble.
Key features
- Forged steel body PN16 to PN40
- Replaceable seat and disc
- Zero leakage on shut-off (Class A)
- 13Cr / 316L stainless steel stems
- Pressure-assisted packing on request
Available connections
| Connection | Standards | DN min – DN max |
|---|---|---|
| Butt weld, EN pipe | EN 10253-2, EN 10253-4 | DN8 – DN200 (14) |
| Butt weld, ASME Schedule pipe | ASME B16.25, ASME B16.9 | DN15 – DN200 (12) |
| Socket weld | ASME B16.11, ASME B16.9 | DN8 – DN100 (11) |
| Brazing / socket solder | EN 1254, ASME B16.22 | DN8 – DN50 (8) |
| Butt weld, stainless steel pipe | EN 10253-4, ASME B16.25 | DN8 – DN200 (14) |
Accessories and options
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With handwheel
Manual operation by means of a guided-stem handwheel, with open or closed position locking. Delivers a high operating torque on large diameters.
-
With cap
Shut-off and operation by means of a hexagon cap, with no risk of losing a handwheel. A robust solution for confined plant rooms or infrequently operated positions.
Related products
Technical documents
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