26 EB 8111/8112 EN
Measures
4.4 Preparation for installation
Proceed as follows:
Î Flush the pipelines.
The plant engineering company is responsi-
ble for cleaning the pipelines in the plant.
Î Check the valve to make sure it is clean.
Î Check the valve for damage.
Î Check to make sure that the type desig-
nation, valve size, material, pressure rat-
ing and temperature range of the valve
match the plant conditions (size and
pressure rating of the pipeline, medium
temperature etc.).
Î For steam applications, make sure that
the pipelines are dry. Moisture will dam-
age the inside of the valve.
Î Check any mounted pressure gauges to
make sure they function.
Î When the valve and actuator are al-
ready assembled, check the tightening
torques of the bolted joints (uAB0100).
Components may loosen during trans-
port.
Note
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