Gemü 553 Original Einbau- Und Montageanleitung Seite 45

9.3 Connections and leakage detection of actuators
9.3.1 Front of globe valve operator
Valve spindle
Manual operator
Control medium
connector 4
(only NO and DA
control function)
Control medium
connector 2
(NC and DA control
function)
Pneumatic stainless steel actuator
Control medium
connector 4
(NO and DA con-
trol function)
Control medium
connector 2
(NC and DA con-
trol function)
Pneumatic plastic actuator
9.3.2
(only NC control function)
Vent hole
(NO control
function)
Vent hole
(NC control
function)
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Rear of globe valve operator
Valve spindle
Manual operator
Vent hole
Leak detection hole
Pneumatic stainless steel actuator
Leak detection hole
Pneumatic plastic actuator
553