Function; Control Functions - Burkert 2030 Manuel D'utilisation

7.1.4. Y -valve type 2037
Transparent cap
with position indicator
Actuator cover
Actuator housing
Upper control air connection
(for CFB and CFI)
Lower control air connection
(for CFA and CFI)
Diaphragm socket
Y-valve housing
Port connection
Fig. 11: Structure and description type 2037
14
english
Type 2 030, 2031, 2031 K, 2032,
Structure and Function

7.2. Function

Spring force (CFA) or pneumatic control pressure (CFB and CFI) gen-
erates 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. C ontrol 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
2033, 2037
A
P
B
P
A
P