Madas EVP/NC Manual Del Usario página 51

Parameter
Hardware Failure Tolerance - HFT
Common Cause Failure - CCF in points
Safe Failure Fraction - SFF in %
Expected Lifetime Cycles - B
Expected Lifetime - T [years]
10d
Probability of Dangerous Failures - PFH
Performance Level - PL
Safety Integity Level - SIL
Mean Time to Dangerous Failure - MTTF
Designed operating cycles (According to EN 161)
from 100.000 to 200.000 depends on diameter
Vite / Screw / Vis / Tornillo
Coppia max (N.m)
Zincato / Galvanised / Galvanisé / Galvanizado
Max. torque (N.m)
Couple max. (N.m)
Acc. INOX / Stainless Steel / Ac. INOX / Acero INOX
Par máximo (N.m)
Diagramma perdite di carico (calcolato con P1 = 50 mbar)
Pressure drop diagram (calculated with P1 = 50 mbar)
Diagramme de perte de charge (calculé avec P1 = 50 mbar)
Diagrama de pérdidas de carga (calculado con P1 = 50 mbar)
dv = densità relativa all'aria
dv = density relative to the air
dv = densité relative à l'air
dv = densidad relativa del aire
Madas Technical Manual - REV. 0 of 10
Tabella 3 - Table 3 - Tableau 3 - Tabla 3
10d
[1/h]
D
[years]
D
DESIGNED LIFETIME
Tabella 4 - Table 4 - Tableau 4 - Tabla 4
May 2018
th
SIL LEVEL
M5
6
4,5
1) metano - methane - méthane - metano
2) aria - air - air - aire
3) gas di città - town gas - gaz de ville - gas ciudad
4) gpl - lpg - gpl - gpl
51
Value
0
75
65%
251278
87
1.33E-07
d
2
860
Time (years)
10
M6 M8 M10
10 25 49,5
7,5 18,5 37
EVP/NC - EVPF/NC
M12
84,5
63,5