| Material housing | Die-cast aluminium | ||
| Type of actuation | Electric | ||
| Exhaust-air function | Without flow control option | ||
| Type of reset | Mechanical spring | ||
| Symbol | 991.008 | ||
| Operating pressure | 2,5 bar ... 16 bar | ||
| b value | 0,3 | ||
| Duty cycle | 100% | ||
| Permissible voltage fluctuations | -14 % / +10 % | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Note on materials | RoHS-compliant | ||
| Media temperature | -10 °C ... 60 °C | ||
| CE mark (see declaration of conformity) | To EU Low Voltage Directive | ||
| Type of mounting | In-line installation With accessories | ||
| Flow direction | Non-reversible | ||
| Pneumatic connection, port 1 | G1/2 | ||
| Pneumatic connection, port 3 | G1/4 | ||
| Electrical connection | Type C Plugs To DIN EN 175301-803 | ||
| Material seals | NBR |
| Design | Piston gate valve | ||
| Sealing principle | Soft | ||
| Manual override | Detenting | ||
| Type of piloting | Pilot actuated | ||
| Valve function | 3/2-way, closed, monostable | ||
| C value | 17 l/sbar | ||
| Standard nominal flow rate | 3.600 l/min | ||
| Characteristic coil data | 230 V AC: 50/60 Hz, pick-up power 5.0 VA, holding power 3.7 VA | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] Inert gases | ||
| Corrosion resistance class CRC | 2 - Moderate corrosion stress | ||
| LABS (PWIS) conformity | VDMA24364-B1/B2-L | ||
| Ambient temperature | -10 °C ... 60 °C | ||
| CE marking (see declaration of conformity) | To UK regulations for electrical equipment | ||
| Mounting position | optional | ||
| Product weight | 500 g | ||
| Pneumatic connection, port 2 | G1/2 | ||
| Air purity class at output | Compressed air to ISO 8573-1:2010 [7:4:4] Inert gases | ||
| Signal status display | With accessories |
