| Design | 2-way ball valve Semi-rotary drive | ||
| Mounting position | optional | ||
| Connection Process valve | Ring housing with threaded flange | ||
| Nominal size DN | 40 | ||
| Nominal pressure PN | 40 | ||
| Medium | Compressed air to ISO 8573-1:2010 [-:-:-] Inert gases Water – no water vapour Neutral fluids | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Ambient temperature | -10 °C ... 80 °C | ||
| Max. surface temperature assembly | TX | ||
| Note on materials | Contains paint-wetting impairment substances RoHS-compliant | ||
| Material number housing | 1,44 | ||
| Material ball | High-alloy stainless steel | ||
| Material shaft | High-alloy stainless steel | ||
| Product weight | 6.400 g | ||
| Explosion ambient temperature | -10°C <= Ta <= +60°C |
| Type of actuation | Pneumatic | ||
| Type of mounting | In-line installation | ||
| Switching position indicator | Slot direction = flow direction | ||
| Operating pressure | 6 bar ... 8,4 bar | ||
| Symbol | 991.921 | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Media temperature | -10 °C ... 200 °C | ||
| Flow rate Kv | 170 m³/h | ||
| explosion group assembly | IIC, IIIC | ||
| Material housing | High-alloy stainless steel | ||
| Material seals | PTFE PTFE reinforced | ||
| Material number ball | 1,44 | ||
| Material number shaft | 1,44 | ||
| Explosion protection | Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) | ||
| Corrosion resistance class CRC | 3 - high corrosion stress |
