Installing The Process Valve; Pneumatic Connection Of The Pneumatic Control Unit - Burkert 8697 Manuel D'utilisation

Fluidinstallation
8.2.
Installing the process valve
Thread type and dimensions can be found in the corresponding data
sheet.
→
Connect the valve according to the operating instructions for the
valve.
8.3. Pneumatic connection of the
Pneumatic Control Unit
DANGER!
Risk of injury from high pressure in the equipment/device.
▶ Before working on equipment or device, switch off the pressure
and deaerate/drain lines.
Procedure:
→
Connect the control medium to the pilot air port (1)
(3 to 7 bar, oil, water and dust-free instrument air).
→
Attach the exhaust airline or a silencer to the exhaust air port (3).
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.
Type 8697
Fig. 17: Pneumatic connection
Caution: (Exhaust air concept):
In compliance with degree of protection 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.
english
Pilot air port
label: 1
Exhaust air port
label: 3
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