Festo VZXA
Process valve
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Item Number:
VZXA
Delivery standard: 3-6 weeks, depending on the country.
Condition: new
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Festo Process valve.
VZXA Datasheet:
| Design | Poppet valve with piston drivePoppet valve with diaphragm actuator |
| Type of actuation | Pneumatic |
| Mounting position | optional |
| Type of mounting | In-line installation |
| Line connection | Threaded coupling G1/2 to DIN ISO 228Threaded coupling G3/4 to DIN ISO 228Threaded coupling G1 to DIN ISO 228Threaded coupling G1 1/4 to DIN ISO 228Threaded coupling G1 1/2 to DIN ISO 228Threaded coupling G2 to DIN ISO 228Threaded coupling G2 1/2 to DIN ISO 228Threaded coupling 1/2 NPT as per ANSI/ASME B 1.20.1Threaded coupling 3/4 NPT as per ANSI/ASME B 1.20.1Threaded coupling 1 NPT to ANSI/ASME B 1.20.1Threaded coupling 1 1/4 NPT to ANSI/ASME B 1.20.1Threaded coupling 1 1/2 NPT to ANSI/ASME B 1.20.1Threaded coupling 2 NPT to ANSI/ASME B 1.20.1Threaded coupling 2 1/2 NPT to ANSI/ASME B 1.20.1Threaded coupling RC1/2 to DIN 10226Threaded coupling RC3/4 to DIN 10226Threaded coupling RC1 according to DIN 10226Threaded coupling RC1 1/4 to DIN 10226Threaded coupling RC1 1/2 to DIN 10226Threaded coupling RC2 to DIN 10226Threaded coupling RC2 1/2 to DIN 10226 |
| Valve function | 2/2 |
| Flow direction | Non-reversible |
| Medium pressure | 0 MPa ... 3 MPa |
| Medium pressure | 0 bar ... 30 bar |
| Type of reset | Mechanical spring |
| Type of piloting | Externally controlled |
| Pneumatic connection | Female thread G1/8 |
| Operating pressure | 0.5 MPa ... 1 MPa |
| Operating pressure | 5 bar ... 10 bar |
| Operating pressure | 72.5 psi ... 145 psi |
| Symbol | 0099558000995581009955820099558300995586 |
| Medium | VapourMineral oil-based hydraulic fluidInert gasesMineral oilWaterFiltered compressed air, grade of filtration 200 µmNeutral fluids |
| Direction of flow | Above valve seat, for gaseous mediaBelow valve seat, for gaseous and liquid media |
| Control of medium | On/off operation |
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Max. viscosity | 600 mmІ/s |
| Media temperature | -30 °C ... 230 °C |
| Ambient temperature | 0 °C ... 60 °C |
| Flow rate Kv | 4.6 mі/h ... 77.9 mі/h |
| Outdoor applications | Weather-protected application areas Class C1 based on IEC 60654-1 |
| Note on materials | RoHS-compliant |
| LABS (PWIS) conformity | VDMA24364 zone III |
| Material process valve housing | Stainless steel castingBrass |
| Material number process valve housing | 1.4409ASTM A351-CF3MCW724R |
| Material seals | FPMNBR |
| Material spindle seal | PTFE |
| Material seat seal | PEEKPTFEPTFE, modified |
| Product weight | 1096 g ... 10700 g |
| Approval | CRN |
| CE mark (see declaration of conformity) | In accordance with EU Pressure Equipment DirectiveTo EU Explosion Protection Directive (ATEX) |
| Explosion protection | Zone 1 (ATEX)Zone 1 (UKEX)Zone 2 (ATEX)Zone 21 (ATEX)Zone 21 (UKEX)Zone 22 (ATEX) |
| CE marking (see declaration of conformity) | to UK Pressure Equipment RegulationsTo UK EX instructions |
| Explosion protection certification outside the EU | EPL Db (GB)EPL Gb (GB) |
| Certificate issuing authority | TГњV 968/V 1039.01/20 |
| ATEX category gas | II 2G |
| ATEX category dust | II 2D |
| Explosion ignition protection type for gas | Ex h IIC T6...T3 X |
| Explosion ignition protection type for dust | Ex h IIC T80°C...T200°C X |
| Explosion ambient temperature | 0°C <= Ta <= +60°C |
| Safety Integrity Level (SIL) | SIL 2 |
| Probability of Failure per Hour (PFH) | 1.36E-7 |
| Probability of Failure on Demand (PFD) | 5.95E-4 |
| Size of drive | 46 mm ... 90 mm |
| Stroke | 17 mm ... 26 mm |
| Control function | Closed via reduced spring force, N/CDouble-actingOpened via spring force, N/OClosed via spring force, N/C |
| Position detection | Via mechanical indicator |
| Material drive housing | Stainless steel castingPA-reinforced |
| Material number drive housing | 1.4408 |
| Storage temperature | -10 °C ... 60 °C |
| Degree of protection | IP65IP67 |
| Material piston rod | High-alloy stainless steel |
| Material cover | Stainless steel castingPA-reinforced |
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