Pneumatic Connection Of The Control Head - Burkert 8691 Manuel D'utilisation

Type 8691
Fluid installation
8.3. pneumatic connection of the control head
Danger!
risk of injury from high pressure!
• Before dismounting lines and valves, turn off the pressure and vent the lines.
Procedure:
→
Connect the control medium to the pilot air port (1)
(3 – 7 bar; instrument air, free of oil, water and dust).
→
Attach the exhaust airline or a silencer to the exhaust air port (3)
(see "Figure 17").
Important information for the problem-free functioning of the device:
• The installation must not cause back pressure to build up.
• Select a hose for the connection with an adequate cross-section.
• The exhaust air line must be designed in such a way that no water or other liquid can get into the
device through the exhaust air port.
Figure 17: Pneumatic connection
Caution:(Exhaust air concept):
In compliance with protection class IP67, an exhaust air 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.
Pilot air port
label: 1
Exhaust air port
label: 3
english
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