Ab a b – ARI Armaturen DP34 Tridem EN User Manual

Page 11

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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

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