| Switching position indicator | Slot direction = flow direction | ||
| Material number housing | 1,44 | ||
| Material seals | PTFE | ||
| Material number ball | 1,44 | ||
| Material number shaft | 1,44 | ||
| Approval | CRN | ||
| Corrosion resistance class CRC | 3 - high corrosion stress | ||
| Type of actuation | Mechanical | ||
| Mounting position | optional | ||
| Connection Process valve | 1 NPT | ||
| Nominal size DN | 25 | ||
| Flow direction | Reversible | ||
| Breakaway torque at differential pressure, nominal pressure, process valve PN | 11 Nm | ||
| Symbol | 991.458 | ||
| Media temperature | -20 °C ... 200 °C | ||
| Note on materials | Contains paint-wetting impairment substances RoHS-compliant |
| Material housing | Stainless steel casting | ||
| Material seat seal | PTFE | ||
| Material ball | Stainless steel casting | ||
| Material shaft | High-alloy stainless steel | ||
| Product weight | 800 g | ||
| Explosion protection | Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) | ||
| Design | 2-way ball valve with hand lever | ||
| Sealing principle | Soft | ||
| Type of mounting | In-line installation | ||
| Inside diameter | 25 mm | ||
| Valve function | 2/2 | ||
| Nominal pressure PN | 63 | ||
| Based on standard | ASME B1.20.1 | ||
| Medium | Vapour Compressed air to ISO 8573-1:2010 [-:-:-] Inert gases Water Neutral fluids | ||
| Flow rate Kv | 94 m³/h |
