Table of Contents
Advertisement
Installation
2. Thread the lock nut and travel indicator
(921) downward on the plug stem of the
valve.
3. Place the actuator with the yoke first ver-
tically onto the valve bonnet while align-
ing the holes on the valve bonnet and
actuator yoke with each other.
4. Fasten the valve bonnet and actuator
yoke together. Observe tightening
torques.
5. Connect the signal pressure. See sec-
tion 5.2.1.
6. Extend the actuator stem (61) by apply-
ing a signal pressure until the distance to
the plug stem is 15 mm.
7. Position the clamps of the stem connector
(907) on the actuator and plug stems
and screw them tight. Observe tightening
torques.
8. Lock the travel indicator (921) in place
with the nut on the stem connector (907).
9. Align and fasten the travel indicator
scale (927).
b) Version R
1. Close the valve by firmly pushing the
plug together with the plug stem down.
2. Thread the lock nut and travel indicator
(921) downward on the plug stem of the
valve.
3. Place the actuator with the yoke first ver-
tically onto the valve bonnet while align-
ing the holes on the valve bonnet and
actuator yoke with each other.
5-4
4. Fasten the valve bonnet and actuator
yoke together. Observe tightening
torques.
5. Connect the signal pressure. See sec-
tion 5.2.1.
6. Retract the actuator stem (61) as far as it
will go by applying a signal pressure.
7. Extend the actuator stem (61) by apply-
ing a signal pressure until the distance to
the plug stem is 15 mm.
8. Position the clamps of the stem connector
(907) on the actuator and plug stems
and screw them tight. Observe tightening
torques.
9. Lock the travel indicator (921) in place
with the nut on the stem connector (907).
10. Align and fasten the travel indicator
scale (927).
EB 8318 EN
Advertisement
Table of Contents
