|
Construction set up
|
Poppet valve with piston actuator |
|
Actuation type
|
pneumatic |
|
Sealing principle
|
Soft |
|
installation position
|
arbitrary |
|
Fastening type
|
pipe installation |
|
Line connection
|
Threaded muff G1 1/4 acc. to DIN ISO 228 |
|
Nominal width [mm]
|
31 |
|
Valve function
|
2/2 closed monostable |
|
Flow direction
|
Not reversible, Via valve seat, for gas media |
|
Medium pressure [bar]
|
0 to 9 |
|
Nominal pressure fitting
|
40 |
|
Exhaust function
|
Cannot be throttled |
|
Reset mode
|
Mechanical spring |
|
Control type
|
Remote controlled |
|
Pneumatic connection
|
female thread G1/8 |
|
Operating pressure [bar]
|
6 to 10 |
|
medium
|
Inert gases |
|
Operating medium
|
Compressed air to ISO 8573-1:2010 [7:4:4] |
|
Max. viscosity [mm²/s]
|
600 |
|
Medium temperature [°C]
|
-40 to 200 |
|
ambient temperature [°C]
|
-10 to 60 |
|
Flow Kv [Kubikmeter]
|
18,5 |
|
Material information
|
LABS containing materials included |
|
Instrument housing material
|
Cast stainless steel |
|
Material number instrument housing
|
1.4408 |
|
Spindle seal material
|
PTFE |
|
Seat seal material
|
PTFE |
|
Product weight [g]
|
2.200 |
|
Corrosion resistant class KBK
|
3 - severe corrosion stress |
|
Actuator housing material
|
High-alloyed stainless steels |
|
CE certificate (see declaration of conformity)
|
to EU pressure vessel directive |
|
ATEX gas category
|
II 2G |
|
Ex ignition protection type gas
|
c TX X |
|
ATEX dust category
|
II 2D |
|
Ex ignition protection type dust
|
c TX X |
|
Ex ambient temperature
|
-10°C <= Ta <= +60°C |
|
Weight
|
2.200 g / Pcs |
|
Customs duty number
|
84818073 |
|
Manufacturer
|
Festo |
|
Document
|
Group data sheet: VZXF (english) , Data sheet |
