Burkert 323219, Быстрый старт

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Pneumatic connection
9 PNEUMATIC CONNECTION
9.1 Connection of devices for Ex areas
For connection in potentially explosive atmospheres, the “Addi-
tional information for use in potentially explosive atmospheres”
enclosed with the device must be adhered to.
9.2 Safety instructions
DANGER!
Risk of injury from high pressure in the system/device.
▶
Before working on the system or device, switch off the pressure
and vent/empty the lines.
WARNING!
Risk of injury due to improper installation.
▶
Installation may be carried out by authorised technicians
only and with the appropriate tools.
Risk of injury due to unintentional activation of the system
and uncontrolled restart.
▶
Secure the system against unintentional activation.
▶
Following installation, ensure a controlled restart.
Working port 2
(Connection: A2)
Pressure port 1.4...7 bar
(Connection: P)
Working port 1
(Connection: A1)
Exhaust port
Fig. 17: Pneumatic installation/location of connections
Procedure:
→
Apply supply pressure (1.4...7 bar) to the pressure port P
For single-acting actuators (control function A and B):
→ Connect a working port (A1 or A2, depending on the desired
safety end position) to the chamber of the single-acting
actuator.
For safety end positions see Chapter “9.3 Safety end
positions” .
→ Seal the working ports that are not needed with a sealing
plug.
Type 8791 REV.2
english