| Material housing | Die-cast aluminium | ||
| Valve function | 2x3/2-way, open, monostable | ||
| Construction width | 26 mm | ||
| pneumatic working port | Sub-base size 26 mm to ISO 15407-1 Sub-base size 01 to VDMA 24563 G1/4 | ||
| Design | Piston gate valve | ||
| Nominal size | 9 mm | ||
| Sealing principle | Soft | ||
| Conforms to standard | ISO 15407-1 VDMA 24563 | ||
| Flow direction | Non-reversible | ||
| lap | Positive overlap | ||
| Flow rate of valve | 1.250 l/min | ||
| Flow rate of pneumatically interlinked valve | 900 l/min | ||
| Switching time on | 15 ms | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Corrosion resistance class CRC | 0 - No corrosion stress | ||
| Relative air humidity | 0 - 90% | ||
| Ambient temperature | -10 °C ... 60 °C | ||
| Product weight | 180 g | ||
| Pilot air port 14 | Sub-base size 26 mm to ISO 15407-1 | ||
| Pneumatic connection, port 2 | Sub-base size 26 mm to ISO 15407-1 | ||
| Pneumatic connection, port 4 | Sub-base size 26 mm to ISO 15407-1 | ||
| Note on materials | RoHS-compliant |
| Material screws | Steel Galvanised | ||
| Type of actuation | Pneumatic | ||
| Standard nominal flow rate | 900 l/min | ||
| Operating pressure | 2 bar ... 10 bar | ||
| Type of reset | Pneumatic spring | ||
| Exhaust-air function | With flow control option | ||
| Mounting position | optional | ||
| Type of piloting | Direct | ||
| Symbol | 991.988 | ||
| Pilot pressure | 2 bar ... 10 bar | ||
| Flow rate of valve on individual sub-base | 1.000 l/min | ||
| Switching time off | 28 ms | ||
| Explosion protection | Zone 2 (ATEX) Zone 22 (ATEX) | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Media temperature | -10 °C ... 60 °C | ||
| Pilot medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Max. tightening torque for valve mounting | 1,8 Nm ... 2,2 Nm | ||
| Pilot air port 12 | Sub-base size 26 mm to ISO 15407-1 | ||
| Pneumatic connection, port 1 | Sub-base size 26 mm to ISO 15407-1 | ||
| Pneumatic connection, port 3 | Sub-base size 26 mm to ISO 15407-1 | ||
| Pneumatic connection, port 5 | Sub-base size 26 mm to ISO 15407-1 | ||
| Material seals | NBR |
