Burkert Type 8691 - Manual (Page 26)

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Pneumaticinstallation
8 pneumaTic insTallaTiOn
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.
Warning!
risk of injury from improper installation.
▶ Installation may be carried out by authorized technicians only and with the appropriate tools.
risk of injury from unintentional activation of the system and an uncontrolled restart.
▶ Secure system from unintentional activation.
▶ Following installation, ensure a controlled restart.
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.
Exhaust air port
label: 3
Pilot air port
label: 1
Figure 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
Type 8691