Burkert 8695 Manuel D'utilisation page 30

Figure 19: Pneumatic connection
Caution: (Air exhaust concept):
In compliance with degree of protection IP67, an air exhaust line must be installed in the dry area.
Keep the adjacent supply pressure always at least 0.5 – 1 bar above the pressure which is required to
move the actuator to its end position.
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Type 8695
Pneumaticinstallation
Pilot air port
(label: 1)
Exhaust air port
(label: 3)