Festo VTSA Series, Manual

Page: 138 / 166

A. Technical appendix
A−6
Festo P.BE−VTSA−44−EN en 0601a
Pneumatic components
Medium Compressed air, filtered (
<
40
µ
m), lubricated (oil: VG 32) or
non−lubricated/vacuum, inert gases
Design Spool valves
Operating pressure/pilot pressure
With pilot air branched internally
from connection 1
With externally supplied pilot air
Pressure range
Operating and pilot pressure 1:
5/2−way valve identifier M52−
M and all 5/3−way valves:
3...10 bar
all other valves: 2...10 bar
Operating pressure at connection 1:
all 2x3/2−way valves: 2...10 bar
all other valves (also reversible 3x3/2−way valves): −
0,9...10 bar
Pilot pressure at connection 14:
5/2−way valve identifier M52−
A , B52 and D52: 2...10 bar
all 2x3/2 and reversible 2x3/2−way valves: see diagram
5/2−way valve identifier M52−
M
and all 5/3−way valves:
3...10 bar
Manual override Non−locking or turning/locking
Tab.A/4: Medium and pressure range of the VTSA valve terminal
1
Pilot pressure at
connection 12/14
[bar]
2
Working range for
valves with
external pilot air
3
Operating
pressure at
connection 1
[bar]
1
2
3
Fig.A/1: Diagram: Required pilot pressure related to the operating pressure with
external pilot air and with 2x3/2−way valves