Niro Soavi S.p.A
4C042E0C.DOC 4.4.11
CAUTION: The components to be removed (suction manifold, flanges,
delivery manifold) are heavy. You need to wear personal protection
devices such as safety boots and gloves, and use suitable lifting gears.
The weight of the components can be calculated by assuming a specific
weight of approximately 8 kg/dm3. These operations require 2 people.
FIGURE 4.4.5
Once the manifolds have been removed, the valve assemblies for suction and
delivery are the same, with the configuration shown in figure 4.4.5 or 4.4.6.
Bear in mind that the seat (E) made of special wear-resistant material is forced
into the seat housing (A) so in case of replacement it must be removed with the
help of a press.
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