
30
EN
IT
Tabella 3 - Table 3
SIL LEVEL
Parameter
Value
Hardware Failure Tolerance - HFT
0
Common Cause Failure - CCF in points
75
Safe Failure Fraction - SFF in %
65%
Expected Lifetime Cycles - B
10d
251278
Expected Lifetime - T
10d
[years]
87
Probability of Dangerous Failures - PFH
D
[1/h]
1.33E-07
Performance Level - PL
d
Safety Integity Level - SIL
2
Mean Time to Dangerous Failure - MTTF
D
[years]
860
DESIGNED LIFETIME
Designed operating cycles (According to EN 161)
Time (years)
from 100.000 to 200.000 depends on diameter
10
Tabella 4 - Table 4
Vite / Screw
M5
M6
M8
M10
M12
Coppia max (N.m)
Max. torque (N.m)
Zincato / Galvanised
6
10
25
49,5
84,5
Acc. INOX / Stainless Steel
4,5
7,5
18,5
37
63,5
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Содержание DN 100
Страница 23: ...23 IT EN fig 2 DN 32 DN 40 DN 50 ...
Страница 24: ...24 EN IT fig 3 DN 65 DN 80 DN 100 ...
Страница 25: ...25 IT EN fig 4 DN 125 DN 150 ...