Festo AG & Co. KG
8060522
angle seat valve
VZXA-A-TS7-1"-M2-V14T-16-K-75-20-PR-V4
Modular, pneumatically actuated angle seat valve in stainless steel. Over seat version, safety position closed, NPT thread, nominal width 1".
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Festo Data sheet
| Criterion | Feature |
| Design structure | Poppet valve with piston actuator |
| Type of actuation | pneumatic |
| Assembly position | Any |
| Mounting type | Line installation |
| Line connection | Threaded coupling 1 NPT to ANSI/ASME B 1.20.1 |
| Valve function | 2/2 |
| Flow direction | non reversible |
| Pressure of medium | 0 - 1,6 MPa |
| Medium pressure | 0 - 16 bar |
| Type of reset | mechanical spring |
| Type of piloting | With external control |
| Pneumatic connection | Female thread G1/8 |
| Operating pressure MPa | 0,5 - 1 MPa |
| Operating pressure | 5 - 10 bar |
| Operating pressure | 72,5 - 145 psi |
| Medium | Vapour Inert gases Filtered compressed air, degree of filtration 200 µm |
| Flow direction | Above valve seat, for gaseous media |
| Control of the medium | On/off operation |
| Operating medium | Compressed air in accordance with ISO8573-1:2010 [7:4:4] |
| Max. viscosity | 600 mm2/s |
| Medium temperature | -10 - 180 °C |
| Ambient temperature | 0 - 60 °C |
| Flow rate Kv | 21,5 m3/h |
| Outdoor use | C1 - weather protected locations of use |
| Materials note | Contains PWIS substances Conforms to RoHS |
| Material process valve housing | Stainless steel casting |
| Material number, process valve housing | ASTM A351-CF3M |
| Material seals | FPM |
| Material spindle seal | PTFE |
| Material seat seal | PTFE |
| Product weight | 3395 g |
| Authorisation | CRN |
| CE mark (see declaration of conformity) | to EU directive for machinery |
| Certificate issuing department | CRN0C20829.5C TÜV 968/V 1039.01/20 |
| Safety Integrity Level (SIL) | SIL 2 |
| Probability of Failure per Hour in [1/h]. | 1,36000000E-07 |
| PFD (Probability of Failure on Demand) | 5,95000000E-04 |
| Actuator size | 75 mm |
| Stroke | 20 mm |
| Control function | Closed via reduced spring force, NC |
| Position detection | With mechanical indicator |
| Material drive housing | Stainless steel casting |
| Material number, actuator housing | 1.4408 |
| Storage temperature | -10 - 60 °C |
| Protection class | IP65 IP67 |
| Material piston rod | High alloy steel, non-corrosive |
| Material cover | Stainless steel casting |
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