7
4.2 Enclosed body model (PVE)
Make sure that no inappropriate items get between the valve body and the actuator.
4.3 Both models (PV and PVE)
The valve nominal size means the inner diameter of the sleeve. The pipe inner diameter
should match this diameter as closely as possible. Whenever possible, install the actuator
in a vertical position. Valve can be assembled either way in terms of flow direction.
If you have to install the actuator horizontally,
it has to be supported to ensure the operation,
especially if the actuator is heavy. Install a sliding
surface under the actuator (Fig 7).
The support can be fixed on the wall (1), on the
floor (2) or the pipeline (3).
The valve can be installed in either way depending
on the flow direction.
When installing the valve to the pipeline, it has to be
in the open position. Tighten the flange bolts smoothly crosswise
Fig. 7.
WARNING
Do not fasten actuator or any part of it to the support.
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