Hach sc200 - Page 600

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9
G
3…
(
D
)
3-way Globe Valve, Bronze Trim
Applicatio
n
This valve is typically used in Air Handlin
g
Units on heatin
g
or coolin
g
coils and Fan Coil
Unit heating or cooling coils. Some other common applications include Unit Ventila-
tors, VAV Box reheat coils and bypass loops. This valve is suitable
f
or use in a hydronic
system with constant or variable fl ow.
3-way valves are available with mixing or diverting fl ow patterns
.
V
a
lv
e
N
o
min
a
l
S
iz
e
T
yp
e
Su
it
ab
l
e
A
c
t
ua
t
o
r
s
C
v
Inches DN [mm] 3-way NPT
Non-
Spring
Spring Electronic
Fail- Safe
2.2
½
1
5
G3
14
LV
Series
LF
Series
LVK
Series
4
.
4
½
15
G315(D)
7.5
¾
20 G320
(
D
)
1
4
1
2
5
G325
(
D
)
SV Series
NF
SVK Series
20 1¼ 32 G332
(
D
)
28
1
½
40
G340(D)
AF(X)
Series
41
2
5
0
G
350
40
2
5
0 G350
(
D
)
Dimensions
B
A
D078-3W
Valve Nominal Siz
e
Dimensions
(
Inches
[
mm
])
Valve Body Inches DN
[
mm
]
A
B
G
314
½
”
1
5
3.06
”
[
78
]
1.37
”
[
35
]
G315
(
D
)
½”
15
3.06
”
[
78
]
1.37
”
[
35
]
G320
(
D
)
¾” 2
0
3.62”
[
92
]
1.68”
[
43
]
G
325(D) 1” 2
5
4.62
”
[
117
]
1.56
”
[
40
]
G332
(
D
)
1¼” 32
4.62
”
[
117
]
1.62
”
[
41
]
G340
(
D
)
1½ 4
0
5
.37
”
[
137
]
1.62
”
[
41
]
G
350
(
D
)
2
50
6.12”
[
156
]
1.87”
[
48
]
Technical Data
G3 G3...D
S
ervice
c
hilled or hot water, 60% glycol
Flow characteristic
l
inear
A
c
ti
o
n
s
tem u
p
- o
p
en B to AB
s
tem u
p
- o
p
en B to AB
Sizes ½” to 2”
End fi ttin
g
NPT female end
s
Materials
Body
Seat
Stem
Plu
g
P
acking
Disc
bronze
bronze
s
tainless stee
l
brass
s
pring loaded TFE
none
ANSI class
A
NSI 250 (up to 400 psi below 150°F)
Leakage
A
NSI III
Media temperature
water
2
0°F to 250°F
(
-7°C to 120°C
)
Maximum
Δ
P* water
35 psi (241 kPa
)
Ran
g
eabilit
y
500
:
1
Valve weight
s
G314, G315(D
)
G
320
G
320D
G
325,
G
332(D
)
G
325D
G
340
(
D
)
,
G
350
(
D
)
2
l
bs
3
lbs
2
.5 lb
s
2
.5 l
bs
5
lb
s
1
4 l
bs
*(50% or more open
)
G3...(D) 3-way Flow Patterns
G3 3-way Mixin
g
Valv
e
G3…D 3-way Divertin
g
Valv
e
A
Stem Up- Open B to AB
S
tem Up- Open B to AB
N
ote: Flow B to A travels through center of plug
(
as shown
)
.
Piping
The valves should be mounted in a weather-protected area in a location that is within
the ambient limits o
f
the actuator. Allow su
ffi
cient room
f
or valve with actuator and
for service. Please allow 12” for complete actuator/linka
g
e removal. The G2
(
S
)
and
G3
(
D
)
preferred mountin
g
position of the valve is with the valve stem vertical above
the valve body, for maximum life. However, the assemblies can be mounted with the
va
l
ve stem vert
i
ca
l
or
h
or
i
zonta
l
i
n re
l
at
i
on to t
h
e p
i
pe.
Th
e actuators s
h
ou
ld
never
b
e
mounted underneath the valve, as condensation can build up and result in a
f
ailure o
f
the actuators. Do not reverse
fl
ow direction
.
N40021 - 03/13 - Subject to change. © Belimo Aircontrols (USA), Inc.