Function; Control Functions - Burkert 2030 Manuel D'utilisation

7.2.

function

Spring force (CFA) or pneumatic control pressure (CFB and CFI) generates the closing force on the diaphragm
pressure piece. The force is transferred via a spindle which is connected to the actuator piston and the valve is
opened and closed.
7.2.1. control functions
control function a (cfa)
Closed by spring force in rest position
control function B (cfB)
Opened by spring force in rest position
control function i (cfi)
Double-acting actuator without spring
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Type 2 030, 2031, 2031 K, 2032,
2033, 2037
Structure and Function
A
P
B
P
A
P