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MG, G, F, H, HG, BIV, T, TMESBESERIES CRA, CRB, CRC
3MG, 4MG
3G, 4G
DN15-25
DN20-40
DN50
DN20-25
DN32-50
H: DN25
H: DN32-50
HG: DN25
DN20-22
DN25
T: DN20-32
TM: DN20
3F, 4F ≤ DN50
3HG, 4HG, 3H, 4H
BIV
T, TM
3HG, 4HG, 3H, 4H3G, 4G 3F, 4F ≤ DN50
BIV T, TM
VRG130, VRG140, VRG230, VRB140 3MG, 4MG
CRA110, CRB100, CRC110
LVD 2006/95/ECEMC 2004/108/ECRoHS 2011/65/EC
Series CRA110Series CRB100Series CRC110
VRG130, VRG140, VRG230, VRB140
1-2 Nm
SERIES CRA110, CRB100, CRC110
SERIES VRG130
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*
*
*
*
*
SE
RIE
S V
RG
13
0
SE
RIE
S V
RG
13
0
SERIES VRG140
*
*
SERIES VRG330 SERIES VRB140SERIES VRG230
SERIES BIV
“We
wou
ld li
ke t
o pi
npoi
nt t
o th
e ex
iste
nce
of a
Ger
man
pat
ent
DE
19
82
12
56
C5
affe
ctin
g th
e us
age
of b
ival
ent
4-w
ay v
alve
s in
liq
uid
circ
ulat
ion
heat
ing
syst
ems.
In
thi
s pa
tent
the
usa
ge o
f a
4-w
ay b
ival
ent
valv
e in
a t
ype
of h
eatin
g sy
stem
is p
rote
cted
, in
whi
ch 2
diff
eren
t he
atin
g ci
rcui
ts a
re o
pera
ted
in p
aral
lel,
whe
re t
he r
etur
n of
the
firs
t ci
rcui
t is
util
ized
as
heat
sou
rce
for
the
para
llel s
econ
d he
at c
ircu
it. A
typ
ical
app
licat
ion
wou
ld b
e a
prim
ary
heat
cir
cuit
with
a h
eat
sour
ce a
nd a
par
alle
l flo
or h
eatin
g,
whe
re t
he fl
oor
heat
ing
in a
reg
ulat
ed m
anne
r is
hea
ted
thro
ugh
its h
eat
sour
ce a
nd t
he r
etur
n fr
om t
he p
rim
ary
heat
cir
cuit
is
utiliz
ed a
s al
tern
ativ
e se
cond
ary
heat
sou
rce
for
the
floor
hea
ting.
Suc
h a
utiliz
atio
n of
our
biv
alen
t 4
-way
val
ve w
ithou
t ap
prov
al
of t
he p
aten
t ho
lder
is fo
rbid
den.
All
othe
r ap
plic
atio
ns o
ur p
rodu
ct g
roup
VR
B a
re w
ithou
t re
stri
ctio
ns p
ossi
ble.
”
2
R1
2
R1
2
R1
SE
RIE
S V
RB
14
0
SERIES 4F, 4MG, 4G
Piping Schematics are General Representations
SERIES 3F, 3MG, 3G
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*
*
*
SE
RIE
S 3
F, 3
MG
, 3G
SE
RIE
S 3
F, 3
MG
, 3G
*
* *
*
Piping Schematics are General Representations
