| Material seals | NBR | ||
| Design | Piston gate valve | ||
| Exhaust-air function | Without flow control option | ||
| Type of reset | Mechanical spring | ||
| Symbol | 991.008 | ||
| Operating pressure | 4 bar ... 10 bar | ||
| b value | 0,5 | ||
| Duty cycle | 100% | ||
| Permissible voltage fluctuations | +/- 10 % | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Note on materials | RoHS-compliant | ||
| Degree of protection | IP65 | ||
| Approval | c UL us - Recognized (OL) | ||
| Type of mounting | In-line installation With accessories Either: | ||
| Flow direction | Non-reversible | ||
| Pneumatic connection, port 1 | G3/8 | ||
| Pneumatic connection, port 3 | G1/2 | ||
| Electrical connection | Type C Plugs To DIN EN 175301-803 Square design |
| Material housing | Die-cast aluminium | ||
| Type of actuation | Electric | ||
| Manual override | Non-detenting | ||
| Type of piloting | Pilot actuated | ||
| Valve function | 3/2-way, closed, monostable | ||
| C value | 22 l/sbar | ||
| Standard nominal flow rate | 5.500 l/min | ||
| Characteristic coil data | 24 V DC: 2.5 W | ||
| 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 | ||
| Ambient temperature | -10 °C ... 50 °C | ||
| Suitable for use with food | See supplementary material information | ||
| Mounting position | optional | ||
| Product weight | 816 g | ||
| Pneumatic connection, port 2 | G3/8 | ||
| Pilot air supply | Internal |
