| Design | Piston gate valve | ||
| Sealing principle | Soft | ||
| Manual override | None | ||
| Symbol | 991.173 | ||
| Operating pressure | 0 bar ... 16 bar | ||
| C value | 16,2 l/sbar | ||
| Standard nominal flow rate | 4.100 l/min | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Note on materials | RoHS-compliant | ||
| Ambient temperature | -10 °C ... 60 °C | ||
| Mounting position | optional | ||
| Product weight | 500 g | ||
| Pneumatic connection, port 2 | G3/4 | ||
| Pilot air port 12 | G1/8 | ||
| Material seals | NBR |
| Type of actuation | Pneumatic | ||
| Exhaust-air function | Without flow control option | ||
| Type of reset | Mechanical spring | ||
| Valve function | 3/2-way, closed, monostable | ||
| Pilot pressure | 3 bar ... 16 bar | ||
| b value | 0,47 | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] Inert gases | ||
| Corrosion resistance class CRC | 2 - Moderate corrosion stress | ||
| Media temperature | -10 °C ... 60 °C | ||
| Type of mounting | In-line installation With accessories | ||
| Flow direction | Non-reversible | ||
| Pneumatic connection, port 1 | G3/4 | ||
| Pneumatic connection, port 3 | G1/4 | ||
| Air purity class at output | Compressed air to ISO 8573-1:2010 [7:4:4] Inert gases | ||
| Material housing | Die-cast aluminium |
