Argus Ball Valve EK, FK and HK Operating Manual – BA1000 EN
Annex C: Pressure-Temperature Diagrams for Ball Seats
Page 63 of 67
Annex C: Pressure-Temperature Diagrams for Ball Seats
Observe the operating parameters/limits shown in the diagrams.
1 bar = 10
5
N/m
2
PN 10/16
EK 71, FK 79, FK 75/M, FK 76/M, HK 35
PN 25, Cl. 150
EK 71, FK 79, FK 75/M, FK 76/M, HK 35
Temperature [°C]
M
a
xi
mu
m
o
p
era
tin
g p
res
su
re
[b
a
r]
Temperature [°C]
Temperature [°C]
Temperature [°C]
M
a
xi
m
u
m
o
p
e
ra
tin
g
p
re
ss
u
re
[
b
a
r]
M
a
xi
mu
m
o
p
era
tin
g p
res
su
re
[b
a
r]
M
a
xi
m
u
m
o
p
e
ra
tin
g
p
re
ss
u
re
[
b
a
r]
PN 63 / 100, Cl. 300/600
EK 71, FK 79, FK 75/M, FK 76/M, HK 35
PN 160, Cl. 900
EK 71, FK 79, FK 76M, HK 35
