Madas EV-1 Manuel Technique page 52

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
aria - air - air - aire
Densità a 0°C e P
Density at 0 °C and P
Densité à 0°C et P
Densidad a 0 °C y P
EV(F)-1-3-6
Tabella 2 - Table 2 - Tableau 2 - Tabla 2
10d
[1/h]
D
[years]
D
DESIGNED LIFETIME
Calcolo portate usando il coefficiente K
Flow control calculation using the K
Calcul des débits en utilisant le coefficient K
Cálculo de los caudales utilizando el coeficiente K
Regime subcritico - Sub-critical speed
Régime subcritique - Régimen subcrítico
Regime critico - Critical speed - Régime critique - Régimen crítico
Ø
Rp DN 32
Rp DN 40
Rp DN 50
FL DN 32 - FL DN 40
FL DN 50
DN 65
DN 80
DN 100
DN 125
DN 150
DN 125
DN 150
atm
atm
atm
atm
SIL LEVEL
coefficient
v
P.max
3 - 6 bar
3 - 6 bar
3 - 6 bar
3 - 6 bar
3 - 6 bar
0,5 - 1 - 3 - 6 bar
0,5 - 1 - 3 - 6 bar
0,5 - 1 - 3 - 6 bar
0,5 - 1 bar
0,5 - 1 bar
3 - 6 bar
3 - 6 bar
Temperatura all'ingresso della valvola
Valve inlet temperature
Température à l'entrée de la vanne
Temperatura en la entrada de la válvula
bar (pressione assoluta)
bar (absolute pressure)
p , p
1 2
bar (pression absolue)
bar (presión absoluta)
52
Madas Technical Manual - 1|1.5c - REV. 1 of 10
Value
251278
1.33E-07
Time (years)
v
v
v
( )
K
(m /h)
3
v
27,1
32,7
35,8
24,5
32,3
79
84
125
315,4
332,3
287
314
0
75
65%
87
d
2
860
10
Sep 2020
th