3. Installation
3−19
Festo P.BE−MPA−EN en 0910d
3.4.5 Vacuum/low pressure operation
Note
If valves are used for switching a va cuum, then filters must
be used in the suction line to avoid operative malfunctions
cause d by foreign matter sucked into the line.
The 2x2/2−way valves with ident. codes D, I and the
2x3/2−way valves with ident. codes N, K, H cannot be used
in va cuum or low pressure applications. If you supply the
MPA−S with v a cuum or low pressure via port (1):
· Operate these valves in a separate pressure zone.
· The operating pressure for this pressure zone must be
set in accordance with the diagram in Fig.A/1.