The ball valve actuator unit VZBC combines a compact a flanged ball valve with a double- or single-acting quarter turn actuator. Also for use in zones 1, 21, 2, 222.
| Type code | VZBC |
|---|---|
| Design | 2-way ball valveQuarter turn actuator |
| Actuation type | Pneumatic |
| Mounting position | Any |
| Type of mounting | Line installation |
| Fitting connection | Ring housing with threaded flange |
| Switching position indication | Slot direction = flow direction |
| Nominal width DN | 80 |
| Operating pressure | 6 bar … 8.4 bar |
| Nominal pressure of fitting PN | 16 |
| Symbol | 00992011 |
| Medium | Water – no water vaporCompressed air as per ISO 8573-1:2010 [-:-:-]Inert gasNeutral liquids |
| Operating medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
| Information on operating and pilot media | Operation with oil lubrication possible (required for further use) |
| Temperature of medium | -10 °C … 200 °C |
| Ambient temperature | -10 °C … 80 °C |
| Flow rate Kv | 905 m³/h |
| Max. surface temperature of assembly | TX |
| Explosion group of assembly | IIC, IIIC |
| Note on materials | Contains paint-wetting impairment substancesRoHS-compliant |
| Housing material | High-alloy stainless steel |
| Material number of housing | 1.4408 |
| Seals material | PTFEPTFE-reinforced |
| Ball material | High-alloy stainless steel |
| Material number for ball | 1.4408 |
| Shaft material | High-alloy stainless steel |
| Material number for shaft | 1.4401 |
| Product weight | 23300 g |
| Corrosion resistance class (CRC) | 3 – High corrosion stress |
| Explosive ambient temperature | -10°C <= Ta <= +60°C |
| Explosion prevention and protection | Zone 21 (ATEX)Zone 1 (ATEX)Zone 22 (ATEX)Zone 2 (ATEX) |
