| Design | 2-way ball valve | ||
| Sealing principle | Soft | ||
| Type of mounting | In-line installation | ||
| Switching position indicator | Slot direction = flow direction | ||
| Nominal size DN | 20 | ||
| Flow direction | Reversible | ||
| Actuating torque with pressure difference relative to nominal valve pressure | 20 Nm | ||
| Symbol | 991.458 | ||
| Media temperature | -15 °C ... 120 °C | ||
| Note on materials | Contains paint-wetting impairment substances RoHS-compliant | ||
| Material number housing | CW617N | ||
| Material ball | Brass Chrome-plated | ||
| Material shaft | Brass | ||
| Product weight | 335 g | ||
| CE mark (see declaration of conformity) | In accordance with EU Pressure Equipment Directive |
| Type of actuation | Mechanical | ||
| Mounting position | optional | ||
| Connection Process valve | Rp3/4 | ||
| Inside diameter | 20 mm | ||
| Valve function | 2/2 | ||
| Nominal pressure PN | 50 | ||
| Based on standard | EN 10226-1 | ||
| Medium | Compressed air to ISO 8573-1:2010 [-:-:-] Inert gases Water – no water vapour Neutral fluids | ||
| Flow rate Kv | 28 m³/h | ||
| Material housing | Brass Nickel-plated | ||
| Material seals | NBR PTFE | ||
| Material number ball | CW617N | ||
| Material number shaft | CW617N | ||
| Approval | DVGW Gas DVGW Water | ||
| Corrosion resistance class CRC | 1 - Low corrosion stress |
