Festo AG & Co. KG
3540146
angle seat valve
VZXF-L-M22C-M-B-G2-450-M1-V4B2T-50-3
Pneumatically actuated angle seat valve in stainless steel. Under seat version, safety position closed, G thread, nominal width 2".
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Festo Data sheet
| Criterion | Feature |
| Design structure | Poppet valve with piston actuator |
| Type of actuation | pneumatic |
| Sealing principle | soft |
| Assembly position | Any |
| Mounting type | Line installation |
| Line connection | G2 threaded collar to DIN ISO 228 |
| Nominal size | 45 mm |
| Valve function | 2/2 closed, monostable |
| Flow direction | non reversible |
| Medium pressure | 0 - 3 bar |
| Nominal pressure of process valve | 40 |
| Exhaust-air function | not throttleable |
| Type of reset | mechanical spring |
| Type of piloting | With external control |
| Pneumatic connection | Female thread G1/8 |
| Operating pressure | 6 - 10 bar |
| Medium | Vapour Mineral oil-based hydraulic oil Inert gases Mineral oil Water Filtered compressed air, degree of filtration 200 µm Neutral fluids |
| Flow direction | Below valve seat, for gaseous and liquid media |
| Operating medium | Compressed air in accordance with ISO8573-1:2010 [7:4:4] |
| Max. viscosity | 600 mm2/s |
| Medium temperature | -40 - 200 °C |
| Ambient temperature | -10 - 60 °C |
| Flow rate Kv | 19,5 m3/h |
| Materials note | Contains PWIS substances Conforms to RoHS |
| Material process valve housing | Stainless steel casting |
| Material number, process valve housing | 1.4408 |
| Material spindle seal | PTFE |
| Material seat seal | PTFE |
| Product weight | 3500 g |
| CE mark (see declaration of conformity) | to EU directive pressure devices |
| Corrosion resistance classification CRC | 2 - Moderate corrosion stress |
| Material drive housing | Nickel-plated brass |
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