Elektror CF Series - Limit Values of Vibrations; Table 28: Limit Values of Vibrations According to ISO 14694; Table 29: Limit Values of Vibrations According to DIN ISO 10816-3

Annex Operating manual - Fan CF-C
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EN
11.2 Limit values of vibrations
The indicated warning values and values resulting in disabling, in relation to the ambient
temperature of 40 °C and the installation height
up to 1000m, are the maximum values that
can be exceeded in individual cases. In this case, the manufacturer's approval should be
sought.
Assessment criteria for vibra
tion according to ISO 14694 or DIN ISO 10816-3.
In the event of vibrations occurring bet
ween the limits of warning and disabling values, it is
possible to operate the fan under supervision until it is possible to find time for a
regular
shutdown of the process.
Table 28: Limit values of vibrations according to ISO 14694
Maximum permissible vibration speed
Limit values according to ISO 14694:2003 (E) - Kategorie BV-3
Rigidly mounted
[mm/s]
Flexibly mounted
[mm/s]
Effective value
[r.m.s]
Effective value
[r.m.s]
At installation
Start-Up 4,5 6,3
Alarm 7,1 11,8
Shutdown 9,0 12,5
Table 29: Limit values of vibrations according to DIN ISO 10816-3
Maximum permissible vibration speed
Limit values according to DIN ISO 10816-3
Group of
machinery
Motor
power KW
Design or
setup method
Evaluation zones
A B C D
New
product
condition
Continuous
mode
Permissible
short-term
Impermissible
eff. speed v
eff
in mm/s
2
> 15
≤ 300
rigid ≤ 1.4 1,4 – 2,8 2,8 – 4,5 > 4,5
flexible ≤ 2.3 2,3 – 4,5 4,5 – 7,1 > 7,1
1 > 300
rigid ≤ 2.3 2,3 – 4,5 4,5 – 7,1 > 7.1
flexible ≤ 3.5 3,7 – 7,1 7,1 – 11 > 11