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Valve function | 3/2, closed, monostable |
Actuation type | Electrical |
Width | 51 mm |
Standard nominal flow rate | 2686 l/min |
Pneumatic working port | Sub-base G1/2 |
Operating pressure | 2 bar ... 8 bar |
Design | Pilot-controlled piston poppet valve |
Reset method | Mechanical spring |
Degree of protection | IP65 |
Nominal width | 12 mm |
Type code | VOFC |
Sealing principle | Hard |
Mounting position | Any |
Manual override | None |
Type of control | Pilot-controlled |
Pilot air supply port | Internal |
Flow direction | Non-reversible |
Symbol | 00995568 |
Safety function | Safe venting |
Safety integrity level (SIL) | Up to SIL 3 high demand mode Up to SIL 3 low demand mode |
Flow rate for piston valve pressurization | 2.4 m³/h |
Flow rate for piston valve exhausting | 3.3 m³/h |
Standard nominal flow rate 2-3 | 3462 l/min |
Switching time off | 14 ms |
On switching time | 25 ms |
Certificate issuing authority | German Technical Control Board (TÜV) V496.01/16 |
Explosion prevention and protection | Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) |
Operating medium | Compressed air as per ISO 8573-1:2010 [7:-:-] |
Corrosion resistance class (CRC) | 4 - Particularly high corrosion stress |
Temperature of medium | -25 °C ... 60 °C |
Ambient temperature | -25 °C ... 60 °C |
Product weight | 880 g |
Pneumatic connection 1 | G1/2 |
Pneumatic connection 2 | Flange 1/4 NAMUR connection diagram |
Pneumatic connection 3 | G1/2 |
Note on materials | Contains paint-wetting impairment substances RoHS-compliant |
Seals material | NBR |
Housing material | Aluminum, ematal coated |