Body material | Inlet pressure | Orientation | Connection | Handwheel | Food certification | |
VD | B | 50 | FF | N | ¼T | - |
Diaphragm low to high pressure line valve - VD
VD Diaphragm seal valve are fully compatible for all specialty gas applications. With versions available for 50, 200 and 300 bar inlet working pressure, the VD series valves come with one single design that offers multiple connection options so users can easily configure them to their exact requirements. An ergonomic shut-off handwheel delivers quick actuation and is marked with clearly visible open/close indicators to help improve safety. It has high leak tightness thanks to its diaphragm sealing.
Key advantages
- Hastelloy diaphragm for tightness and gas compatibility
- Compatible with all specialty gas applications up to purity 6.0
- Ergonomic shutoff valve handwheel delivers quick actuation
- Multiple configuration options (1/4 NPT, G3/8, etc.)
- With rear threads for panel mounting
- 3 versions: 50, 230 and 300 bar inlet working pressure
- Clearly visible open/close indicators for improved safety
- Dedicated food-grade version with full material compatibility according to EC1935/2004 available
Specifications
| Ports | ¼ NPT : FF, MF or FM G3/8: FF |
| Seat seal | PCTFE |
| Diaphragm | Hastelloy® |
| Bottom tapered | OK 2x M5 at Ø18mm |
| Weight | 310 Gr |
| Temperature range | -20 to +60 °c |
| Seat orifice size | Ø 4mm |
| Inlet pressure | 50 / 230 / 300 bar |
| Flow coefficient (kv) | 0,17 Kv / 0,2 Cv |
| Oxygen use | Ok up to 310 bar (brass version only) |
| Leak rate | 10-8 M bar l/s |
Dimensional drawings
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