3 valve with actuator – ARI Armaturen DP34 EN User Manual
Page 13
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Page 13
Operating and installation instructions
Pneumatic actuators - DP32 / DP33 / DP34
5.3 Valve with actuator
Fig. 16: Pneumatic straight through control valve
Operating mode of the actuator: „actuator stem extends by spring force“
Spring closes on air failure.
Fig. 17: Pneumatic three-way control valve as a mixing valve (path AB-B)
Operating mode of the actuator: „actuator stem extends by spring force “
Spring closes B - AB on air failure.
Valve stem
Locking nut
Hexagon nut
Cylinder screw
Travel indicator
Coupling flange
Locking nut
Distance column
Valve stem
Locking nut
Hexagon nut
Thread bush
Travel indicator
Securing flange
Coupling flange
Locking nut
Distance column
Coupling
Set screw
(90°rotated view)
Securing flange
Thread bush
DP 32 - 33
DP 34
Valve stem
Locking nut
Hexagon nut
Cylinder screw
Travel indicator
Coupling flange
Locking nut
Distance column
Valve stem
Locking nut
Hexagon nut
Thread bush
Travel indicator
Securing flange
Coupling flange
Locking nut
Distance column
Coupling
Set screw
(90°rotated view)
Securing flange
Thread bush
DP 32 - 33
DP 34