| Design | 2-way ball valve | ||
| Sealing principle | Soft | ||
| Type of mounting | In-line installation | ||
| Switching position indicator | Slot direction = flow direction | ||
| Nominal size DN | 50 | ||
| Nominal pressure PN | 25 | ||
| Break-away torque at a differential pressure of 1 MPa (10 bar, 145 psi) | 22 Nm | ||
| Symbol | 991.458 | ||
| Media temperature | -20 °C ... 150 °C | ||
| Note on materials | Contains paint-wetting impairment substances RoHS-compliant | ||
| Material number housing | CW617N | ||
| Material ball | Brass Hard-chrome-plated | ||
| Material shaft | Brass | ||
| Product weight | 3.100 g | ||
| Corrosion resistance class CRC | 1 - Low corrosion stress |
| Type of actuation | Mechanical | ||
| Mounting position | optional | ||
| Connection Process valve | Rp2 | ||
| Flange hole pattern | F05 | ||
| Flow direction | Reversible | ||
| Breakaway torque at differential pressure, nominal pressure, process valve PN | 29 Nm | ||
| Based on standard | ISO 5211 | ||
| Medium | Compressed air to ISO 8573-1:2010 [-:-:-] Inert gases Water Neutral fluids | ||
| Flow rate Kv | 292 m³/h | ||
| Material housing | Brass Nickel-plated | ||
| Material seals | HNBR PTFE | ||
| Material number ball | CW617N | ||
| Material number shaft | CW614N | ||
| CE mark (see declaration of conformity) | In accordance with EU Pressure Equipment Directive |
