2009/06 – Subject to change
19
Internet: www.festo.com/catalogue/...
Valve terminals type 32 MPA
Key features – Pneumatic components
Valve function
Code
Circuit symbol
Size
Description
y
1
2
p
H
2x 3/2-way valve, single solenoid
•
Normally
– 1x closed
– 1x open
•
Pneumatic spring return
•
Operating pressure
>
3 bar
HS
–
2x 3/2-way valve, single solenoid
•
Normally
– 1x closed
– 1x open
•
Mechanical spring return
•
Operating pressure –0.9
…
+8 bar
B
5/3-way valve
•
Mid-position pressurised
1)
•
Mechanical spring return
•
Reversible
•
Suitable for vacuum
G
5/3-way valve
•
Mid-position closed
1)
•
Mechanical spring return
•
Reversible
•
Suitable for vacuum
E
5/3-way valve
•
Mid-position exhausted
1)
•
Mechanical spring return
•
Reversible
•
Suitable for vacuum
X
1x 3/2-way valve, single solenoid
•
Normally closed
•
External compressed air supply
•
Pneumatic spring return
•
Reversible
Compressed air (–0.9 … +10 bar) supplied at working port 4 can be
switched with both internal and external pilot air supply.
W
1x 3/2-way valve, single solenoid
•
Normally open
•
External compressed air supply
•
Pneumatic spring return
•
Reversible
Compressed air (–0.9 … +10 bar) supplied at working port 2 can be
switched with both internal and external pilot air supply.
D
2x 2/2-way valve
•
Normally closed
•
Pneumatic spring return
•
Operating pressure
>
3 bar
DS
–
2x 2/2-way valve
•
Normally closed
•
Mechanical spring return
•
Operating pressure –0.9
…
+8 bar