Burkert 2103 Instructions De Service page 36

8.4.1. connection of the control medium
Control functions a and B:
→
1 of the actuator
On connection
(see diagram: "Pneumatic Connection)
Control function i:
→
On the connections 1 and 2 of the actuator
(see diagram: "Pneumatic Connection)
→
Pressure on connection 1 opens the valve.
→
Pressure on connection 2 closes the valve.
Air discharge connection SFA, SFB
and second control air connection SFI
Control air connection
SFA, SFB, SFI
Fig. 20: Pneumatic Connection
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Type 2103
Installation
Control air hose:
Control air hoses of sizes 6/4 mm or 1/4" can be used.
Optionally a control air connection is possible via a G 1/8 thread.
8.5. removal
Danger!
risk of injury from discharge of medium and pressure!
It is dangerous to remove a device which is under pressure due to
the sudden release of pressure or discharge of medium.
• Before removing a device, switch off the pressure and vent the
lines.
Replacement of the diaphragm is described in the chapter
entitled "Repairs".