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5.4 Installation
SAMSON regulators are delivered as as-
sembled units. The activities listed below are
necessary for installation and before start-up
of the regulator.
Note
SAMSON's After-sales Service can support
you concerning lubricant, tightening torques
and tools approved by SAMSON.
NOTICE
!
Risk of regulator damage due to exces-
sively high or low tightening torques.
Observe the specified torques when tighten-
ing regulator components. Excessive tighten-
ing torques lead to parts wearing out more
quickly. Parts that are too loose may cause
leakage.
Î Observe the specified tightening torques
(see section 8.4).
EB 2723 EN
5.4.1
Installing the regulator
1. Close the shut-off valves upstream and
downstream of the regulator while the
regulator is being installed.
2. Remove the protective caps from the
valve ports of regulators with flanges be-
fore installation.
3. Observe the flow direction through the
valve. The arrow on the valve indicates
the direction of flow.
4. Make sure that the correct gaskets are
used.
5. Bolt the pipe to the valve free of stress.
6. Slowly open the shut-off valves in the
pipeline after the regulator has been in-
stalled.
5.4.2
Filling the plant
Open the shut-off valves slowly over a time
period of several minutes preferably starting
from the upstream pressure side to fill the
plant (all consumers are open).
Î Make sure that the pressure rises simulta-
neously upstream and downstream of the
regulator to avoid damaging it.
Î Avoid pressure surges.
Mounting
23
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