Manualshelf

Install Instructions

ManualsBrandsBelimo ManualsCharacterized Control Valves1/2" B2 Series, 2-Way, Characterized Control Valve (Stainless Steel) - Cv Rating (0.3)
12
INSTRUCTION MANUAL
C
haracterized
C
ontrol Valves
(CC
V
)
B2
(
B
)
Series
C
haracterized
C
ontrol Valves
Two-way Valve with Stainless Steel Ball and Stem,
Chrome Plated Brass Ball and Stem
(
B
)
1/2” and 3/4”
NPT female end
s
B3
(
B
)
Series
C
haracterized
C
ontrol Valves
Three-way Valve with Stainless Steel Ball and Stem,
Chrome Plated Brass Ball and Stem
(
B
)
1/2” and 3/4”
N
PT female end
s
Technical Data
Service c
hill
e
d
or
h
ot water, 60% g
l
yco
l
low characteristi
A-port equal percenta
ge
M
e
di
a temp rang
e
0°F to 250°F [-18°C to 120°C] (½” to 2")
0°F to 212°F [-18°
C
to 100°
C
] (2
½
” to 3")
M
a
xim
u
m
d
iff
e
r
e
nti
a
l
pressure
(
ΔP
)
for characterized A-
p
ort
50 psi max
(
½” to 2"
)
30 psi max
(
2½” to 3"
)
L
ea
k
a
ge
0%
fo
r A t
o
A
B
Technical Data
Servic
e
c
hill
e
d
or
h
ot water, 60% g
l
yco
l
Flow characteristi
A-port equal percenta
ge
B-port modifi ed linear for constant fl o
w
M
e
di
a temp rang
e
0°F to 250°F [-18°
C
to 120°
C
]
M
a
xim
u
m
d
iff
e
r
e
nti
a
l
pressure
(
Δ
P
)
for characterized A-
p
ort
50
p
si ma
x
L
ea
k
a
g
e 0%
f
or A to AB
,
<2.0%
f
or B to AB
Flow Pattern
Two-way Characterized Control Valves™
(Belimo B2 (B) Series
)
2
87/(7
7
ZRZD\
7
7
&
KDUDFWHUL]LQ
J
'LV
F
:KHUHD
SS
OLFDEOH
$
$
%
*Two-way valves should be installed with the disc upstream.
Valve should be installed with the disc u
p
stream. If installed with disc downstream,
Cv will be 5% reduced and fl ow curve will be deeper. If installed “backwards” it is
NOT necessary to remove and chan
g
e. No dama
g
e of control problems will occur
.
AB
A
Flow Pattern
Three-wa
y
Characterized Control Valves
™
(
Belimo B3
(
B
)
Series
)
Three-way M
i
x
i
n
g
,1
/(7
2
87/(7
%
<
3
$66
33
$
$
%
%
&
KDUDFWHUL]LQ
J
'
L
V
F
ZKHUHD
SS
OLFDEOH
%
3
RU
W'
L
V
F
$OOZD
\
PRGHOV
* The A-
p
ort must be
p
i
p
ed to the
coil to maintain proper control
.
* The B-
p
ort
y
ields 70% of the
A-port
fl
ow.
Three-way Divertin
g
,1
/(7
2
87/(7
&
KDUDFWHUL]LQ
J
'
L
V
F
ZKHUHD
SS
OLFDEOH
287/(7
%
3
RU
W'
LVF
$OOZD
\
PRGHOV
A
B
AB
p
ort
.
Operation/Installation
Correct Pipin
g
: 2-wa
y
valves should be installed with the disc u
p
stream. If installed with disc downstream, fl ow curve will be dee
p
er. If installed “backwards” it is NOT necessar
y
to
remove and chan
g
e. No dama
g
e or control problems will occur
.
$%
$
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5HWXUQ
&RLO
7Z
R
:
D
\
9D
O
YH3
L
S
L
Q
J
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L
D
J
UD
P
,QSXW2XWSX
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$%
$
%
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5HWXUQ
&RLO
7
KUHH
:
D\0
L
[
L
Q
J
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S
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$%
$
%
5HWXUQ
6XSSO\
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KUHH
:
D
\
'
L
YH
U
W
L
Q
J
9D
O
YH3
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L
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P
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3-way valves must be piped correctly. They can be mixing or diverting. Mixing is the
pre
f
erred piping arrangement
.
The A-port must be piped to the coil to maintain proper control. The B-port restricts fl ow
by 30% o
f
A-port value
.
T
he BELIM
O
C
haracterized
C
ontrol Valve is a
CO
NTR
O
L valve
,
not a manual valve
adapted
f
or actuation. The control port is the A-port. It is similar to the globe valve in that
th
e m
iddl
e port
i
s t
h
e
B
or
b
ypass port.
Th
e common port
AB
i
s on t
h
e ma
i
n oppos
i
te
t
he A-port. These diagrams are for typical applications only.
C
onsult engineering
speci
fi
cation and drawings
f
or particular circumstances
.
0
7
/
2
0
1
2

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