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REV. STV20110519
For valves 51 (2”) and 76 (3”)
The stainless steel pneumatic actuator for 51(2”) and 76 (3”) valves can be provided with
inductive switches for sensing open and closed position. The same actuator is used with or
without switches. A plastic sensor holder is added to the actuator and the sensors are screwed to
each mounting bracket as shown on figure 16.
The sensors available are:
Open, inductive proximity switch
Open/close, inductive proximity switch
In order to adjust the sensor position, follow these steps:
1.
Place the actuator in either the open or closed position.
2.
Loosen the vertical adjustment screw on the corresponding mounting bracket and adjust
the position until the switch LED signal light is activated. By carefully moving the
mounting bracket up and down vertically, position the switch in the middle of the sensor
range and then tighten down.
3.
Move the actuator to the other position and repeat step 2 for the remaining switch.
Figure 16: Installation of position switches for valves 51 (2") and 76 (3")
