Description
Festo Solenoid valve NVF3-MOH-5/2-K-1/4-EX
- Valve function: 5/2- or 3/2-way monostable
- Type of actuation: Electric
- Construction width: 53 mm
- Standard nominal flow rate: 900 l/min
- pneumatic working port: Sub-base
- Operating voltage: Via solenoid coil, must be ordered separately
- Operating pressure: 0.2 MPa … 1 MPa
- Operating pressure: 2 bar … 10 bar
- Design: Poppet seat
- Type of reset: Mechanical spring
- CE mark (see declaration of conformity):To EU Explosion Protection Directive (ATEX)
- Explosion protection certification outside the EU: EPL Db (GB) EPL Gb (GB)
- CE marking (see declaration of conformity): To UK EX instructions
- ATEX category gas: II 2G
- ATEX category dust: II 2D
- Explosion ignition protection type for gas: Ex h IIC T6 Gb
- Explosion ignition protection type for dust: Ex h IIIC T70°C Db
- Explosion ambient temperature: -5°C <= Ta <= +40°C
- Nominal size: 7 mm
- Exhaust-air function: With flow control option
- Sealing principle: Soft
- Mounting position: optional
- Conforms to standard: VDI/VDE 3845 (NAMUR)
- Manual override: Detenting Non-detenting
- Type of piloting: Pilot actuated
- Flow direction: Non-reversible
- Symbol: 00991831
- lap: Underlap
- b value: 0.33
- C value: 4.2 l/sbar
- Switching time off: 100 ms
- Switching time on: 50 ms
- Explosion protection: Zone 1 (ATEX) Zone 1 (UKEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 21 (UKEX) Zone 22 (ATEX)
- Operating medium: Compressed air to ISO 8573-1:2010 [7:4:4]
- Note on operating and pilot medium: Lubricated operation possible (in which case lubricated operation will always be required)
- Corrosion resistance class CRC: 1 – Low corrosion stress
- LABS (PWIS) conformity: VDMA24364-B1/B2-L
- Media temperature: -5 °C … 40 °C
- Ambient temperature: -5 °C … 40 °C
- Product weight: 280 g
- Type of mounting: On manifold rail
- Breather connection: Internal
- Pilot exhaust port: 84M5
- Pneumatic connection, port 1: G1/4
- Pneumatic connection, port 2: NAMUR port pattern
- Pneumatic connection, port 3: G1/4
- Pneumatic connection, port 4: NAMUR port pattern
- Pneumatic connection, port 5: G1/4
- Material seals: NBR
- Material housing: Die-cast aluminium
