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2.4 CONDITIONS OF USE
We recommend to check, before commissioning, that the conditions of use are in compliance with
the equipment specifications.
Such specifications are reported on the identification plates of each valve (figure 5).
The meaning of the symbols written on the plate is the following
Safety valve
valve model
Cg
flow rate coefficient ( where foreseen )
S. n.
serial number
PS
max. permissible pressure
DN
valve nominal diameter
Flange
type of flange
TS
permissible operating temperature
Who
total intervention pressure field
Wao
specific intervention pressure field of the inserted spring
Tar.
Set-point value ( when applicable )
Date
date of test
Pilot
type of pilot
Figure 5
15
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