Owner manual

0040504001 2010 Page 11
Operating and installation instructions
Pneumatic actuators - DP34T / DP34Tri
Fig. 10: Pneumatic straight through control valve
Operating mode of the actuator : „actuator stem retracts by spring force“
Spring opens on air failure
Fig. 11: Pneumatic three-way control valve as a mixing valve (path AB-B)
Operating mode of the actuator: „actuator stem retracts by spring force“
Spring closes A - AB on air failure.
45° rotated
view
Valve stem
Locking nut
Hexagon nut
Thread bush
Set screw
Cylinder screw
Adjusting ring
Securing flange
Coupling flange
Locking nut
Distance column
AB A
B
45° rotated
view
Valve stem
Locking nut
Hexagon nut
Thread bush
Set screw
Cylinder screw
Adjusting ring
Securing flange
Coupling flange
Locking nut
Distance column