Product Type |
Festo Standard Namur valves |
Short type code |
VSNB |
Standard |
VDI/VDE 3845 (NAMUR) |
Width |
44.5 mm |
Valve Function |
5/2 bistable |
Mounting |
On sub-base |
Ambient temp |
-10 - 60 °C |
Assembly position |
Any |
Corrosion resistance classification CRC |
2 |
Design structure |
Piston slide |
Duty cycle |
100% |
Exhaust-air function |
throttleable |
Explosion protection |
Zone 1 (ATEX) |
Explosion protection |
Zone 2 (ATEX) |
Explosion protection |
Zone 21 (ATEX) |
Explosion protection |
Zone 22 (ATEX) |
Flow direction |
non reversible |
Freedom from overlap |
Yes |
Materials information for seals |
NBR |
Materials information, housing |
Anodised |
Materials information, housing |
Wrought Aluminium alloy |
Materials note |
Conforms to RoHS |
Materials note |
Contains PWIS substances |
Medium temperature |
-10 - 60 °C |
Nominal size |
8 mm |
Operating medium |
filtered compressed air, grade of filtration 40 µm, lubricated or unlubricated |
Operating Pressure |
2.5 - 8 bar |
Pilot medium |
Filtered compressed air |
Pilot pressure |
2.5 - 8 bar |
Pneumatic connection, port 1 |
G1/4 |
Pneumatic connection, port 2 |
Sub-base |
Pneumatic connection, port 3 |
G1/4 |
Pneumatic connection, port 4 |
Sub-base |
Pneumatic connection, port 5 |
G1/4 |
Pneumatic working line |
Anschlussplatte |
Product weight |
350 g |
Scavenging orifice connection |
M5 |
Screw material data |
High alloy steel, non-corrosive |
Sealing principle |
Soft |
Standard nominal flow rate |
950 l/min |
Switching time reversal |
30 ms |