|
Construction set up
|
Poppet valve with diaphragm actuator |
|
Actuation type
|
pneumatic |
|
installation position
|
arbitrary |
|
Fastening type
|
pipe installation |
|
Line connection
|
Threaded muff G1 1/4 acc. to DIN ISO 228 |
|
Valve function
|
2/2 |
|
Flow direction
|
Not reversible, Via valve seat, for gas media |
|
Medium pressure [bar]
|
0 to 16 |
|
Reset mode
|
Mechanical spring |
|
Control type
|
Remote controlled |
|
Pneumatic connection
|
female thread G1/8 |
|
Operating pressure [bar]
|
5 to 7 |
|
medium
|
Inert gases |
|
Control of the medium
|
On/off mode |
|
Operating medium
|
Compressed air to ISO 8573-1:2010 [7:4:4] |
|
Max. viscosity [mm²/s]
|
600 |
|
Medium temperature [°C]
|
-10 to 180 |
|
ambient temperature [°C]
|
0 to 60 |
|
Flow Kv [Kubikmeter]
|
35,4 |
|
Material information
|
LABS containing materials included |
|
Instrument housing material
|
Cast stainless steel |
|
Material number instrument housing
|
1.4409 |
|
Seals material
|
NBR |
|
Spindle seal material
|
PTFE |
|
Seat seal material
|
PTFE |
|
Product weight [g]
|
6.595 |
|
Safety Integrity Level (SIL)
|
SIL 2 |
|
CE certificate (see declaration of conformity)
|
to EU machinery directive |
|
Certified awarding point
|
TÜV 968/V 1039.00/18 |
|
Probability of Failure per Hour in [1/h].
|
1.36e-007 |
|
PED (Probability of failure on demand)
|
0.000595 |
|
Corrosion resistant class KBK
|
3 - severe corrosion stress |
|
Actuator dimensions [mm]
|
90 |
|
Stroke [mm]
|
26 |
|
Control function
|
Closed due to reduced spring force, NC |
|
Position detection
|
With Mechanical display |
|
Actuator housing material
|
Cast stainless steel |
|
Material number actuator housing
|
1.4408 |
|
Bearing temperature [°C]
|
-10 to 60 |
|
Protection category
|
IP65 |
|
Piston rod material
|
High-alloyed stainless steels |
|
Cover material
|
Cast stainless steel |
|
Weight
|
6.595 g / Pcs |
|
Customs duty number
|
84818073 |
|
Manufacturer
|
Festo |
|
Document
|
Group data sheet: VZXA (english) , Data sheet |
