Sicherheitsventile / Safety Valves
T
he
in
fo
rm
at
io
n
co
nt
ai
ne
d
in
th
is
b
ro
ch
ur
e
m
er
e
ly
s
er
ve
s
as
a
n
on
-b
in
di
ng
d
es
cr
ip
tio
n
of
o
ur
p
ro
du
ct
s
an
d
is
w
ith
ou
t g
ua
ra
nt
ee
. B
in
di
ng
in
fo
rm
at
io
n,
in
p
ar
tic
ul
ar
r
el
at
in
g
to
c
ap
ac
ity
d
at
a
an
d
su
ita
bi
lit
y
fo
r
sp
ec
ifi
c
ap
pl
ic
at
io
ns
, c
an
o
nl
y
be
p
ro
vi
de
d
w
ith
in
th
e
fr
am
ew
or
k
of
c
on
cr
et
e
in
qu
iri
es
. P
rin
te
d
on
c
hl
or
in
e-
fr
ee
b
le
ac
he
d
pa
p
er
·
P
rin
te
d
in
G
er
m
an
y
·
S
ub
je
ct
to
m
od
ifi
ca
tio
n
Selection of body material as per German DIN
EN12284, AD-2000 series W
Steel (St): P235GH, S235JR, S355J2
Low temperature steel (TT): P215NL, P255QL,
P355NL1
Stainless steel (NIRO): X5CrNi18-10
or any equivalent
when screws of 8.8. strength class are used
Permissible ambient temperature range (°C):
-35 bis +55
Gehäusewerkstoff – Auswahl nach DIN EN12284,
AD-2000 Reihe W
Stahl (St): P235GH, S235JR, S355J2
Tieftemperaturstahl (TT): P215NL, P255QL, P355NL1
Edelstahl (NIRO): X5CrNi18-10
oder gleichwertige
bei Verwendung von Schrauben der
Festigkeitsklasse 8.8
Zulässiger Umgebungstemperaturbereich (°C):
-35 bis +55
SVU 444
SVU 442
PN
DN
TB (MWT) [°C]
-60
-40
-25
-10
+50
+180
-50
-25
-10
+50
+110
