G2…(S) 2-way Globe Valve, Bronze or Stainless Steel Trim Application

G2…(S) 2-way Globe Valve, Bronze or Stainless Steel Trim
Application
This valve is typically used in Air Handling Units on heating or cooling coils and Fan Coil
Unit heating or cooling coils. Some other common applications include Unit Ventilators, VAV Box reheat coils and bypass loops. This valve is suitable for use in a hydronic
system with variable flow.
Bronze and stainless steel trim valves can be used for steam applications, depending on
actuator and close-off combinations.
NVF Series
LF Series
AF(X)
NF
Series
NV Series
LM Series
Suitable Actuators
Non-Spring
Spring
15 psi (103 kPa)
35 psi (241 kPa)
50 psi (345 kPa)
100 psi (689 kPa)
20°F to 250°F
(-7°C to 120°C)
20°F to 300°F
(-7°C to 149°C)
35 psi (241 kPa)
15 psi (103 kPa)
20 psi (138 kPa)
G2(S) 100:1
G212(S), G213(S), G214(S), G215(S)
G219(S), G220(S)
G224(S), G225(S), G232(S)
G240(S), G250(S)
35 psi (241 kPa)
35 psi (241 kPa)
35 psi (241 kPa)
2 lbs
3 lbs
5.5 lbs
13 lbs
*(50% or more open)
G2...(S) 2-way Flow Patterns
Flow Direction
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Valve Body
G212(S)-G215(S)
G219(S)-G220(S)
G224(S)-G225(S)
G232(S)
G240(S)
G250(S)
Valve Nominal Size
Inches DN [mm]
½”
15
¾”
20
1”
25
1¼
32
1½
40
2
50
Dimensions (Inches [mm])
A
B
3.06” [78]
1.06” [27]
3.62” [92]
1.06” [27]
4.62” [117]
1.12” [29]
4.62” [117]
1.37” [35]
5.37” [137]
1.50” [38]
6.12” [156]
1.56” [40]
Piping
The valves should be mounted in a weather-protected area in a location that is within
the ambient limits of the actuator. Allow sufficient room for valve with actuator and for
service. For the NV Series, allow 6” for cover removal and 12” for complete actuator
removal. The G2(S) and G3(D) preferred mounting 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 valve stem vertical or horizontal in relation to the pipe. The
actuators should never be mounted underneath the valve, as condensation can build
up and result in a failure of the actuators. Do not reverse flow direction.
Stem Up - Open A to AB
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D031-2W
Dimensions
bronze
bronze
bronze
stainless steel
stainless steel
stainless steel
brass
stainless steel
spring loaded TFE
spring loaded TFE
composition (EPDM)
Teflon
ANSI 250 (up to 400 psi below 150°F)
ANSI class IV
Maximum ΔP*
Water
Steam (NV Actuator)
Steam (Rotary Actuator)
Rangeability
Valve weights
8
Type
2-way NPT
G212(S)
G213(S)
G214(S)
G215(S)
G219(S)
G220(S)
G224(S)
G225(S)
G232(S)
G240(S)
G250(S)
NM
Series
G2
G2...S
chilled or hot water, 60% glycol, steam
equal percentage
linear
stem up - open A to AB
½” to 2”
NPT female ends
Service
Flow characteristic
Action
Sizes
End fitting
Materials
Body
Seat
Stem
Plug
Packing
Disc
ANSI class
Leakage
Max steam inlet
NV actuators
Rotary actuators
Media temperature
Water
Valve Nominal Size
Inches DN [mm]
½
15
½
15
½
15
½
15
¾
20
¾
20
1
25
1
25
1¼
32
1½
40
2
50
AM
Technical Data
Cv
0.4
1.3
2.2
4.4
5.5
7.5
10
14
20
28
40
LF24 US Actuators, On/Off
D180
Dimensions with G2...(S) Series 2-Way Valve
7-5/8" [193.68]
6" [152.4]
C
B
A
Models
LF24 US
LF24-S US
LF120 US
LF120-S US
w/built-in Aux. Switch
w/built-in Aux. Switch
on/off, floating point
24 VAC ± 20% 50/60 Hz
24 VDC ± 10%
120 VAC ± 10% 50/60 Hz
running
holding
running
holding
LF120(-S) US
Transformer sizing
LF24(-S) US
LF120(-S) US
Electrical connection
Electrical protection
Overload protection
Angle of rotation
Spring return direction
Position indication
Running time
Ambient temperature
Housing
Agency listings†
Quality standard
Noise level
LF...-S US
Auxiliary switch
Dimensions (Inches [mm])
A
B
C
7.56” [192]
3.00" [76]
1.06" [27]
7.56” [192]
3.62" [92]
1.06" [27]
Dimensions with G3...(D) Series 3-Way Valve
D185
LF120(-S) US
Power consumption
LF24(-S) US
Valve Nominal Size
Inches DN [mm]
½"
15
¾"
20
7-5/8" [193.68]
5W
2.5 W
5.5 W
3.5 W
7 VA, class 2 power source
7.5 VA, class 2 power source
3 ft, 18 GA appliance cable
(-S models have 2 cables)
½” conduit connector
120V actuators double insulated
electronic throughout rotation
95°
reversible with CW/CCW mounting
visual indicator 0° to 90°
<40 to 75 sec. (on-off)
spring <25 sec. @-4°F to 122°F [-20°C to 50°C]
<60 sec. @-22°F [-30°C]
-22° F to 122° F [-30° C to 50° C]
NEMA 2
UL 873, CSA C22.2 No. 24 certified, CE
ISO 9001
max. 62 dB(A)
6" [152.4]
C
B
A
Valve Body
G3(D)
G3(D)
Valve Nominal Size
Inches DN [mm]
½"
15
¾"
20
Dimensions (Inches [mm])
A
B
C
7.87” [200]
3.00" [76]
1.37" [35]
8.18” [208]
3.62" [92]
1.68” [43]
1 x SPDT, 6A (1.5A) @ 250 VAC, UL Listed, adjustable 0° to 95° (double insulated)
† Rated impulse voltage 800V (4kV for 120V model), Control pollution degree 3,
Type of action 1.AA (1.AA.B for -S models)
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N40021 - 06/11 - Subject to change. © Belimo Aircontrols (USA), Inc.
Technical Data
Control
Power supply
LF24(-S) US
Valve Body
G2(S)
G2(S)
LF24 US Actuators, On/Off
W047
Wiring Diagrams
24 VAC Transformer
2
CAUTION Equipment damage!
3
Actuator may also be powered by 24 VDC.
4
For end position indication, interlock control, fan startup, etc.,
LF24-S US and LF120-S US incorporates a built-in auxiliary switch:
1 x SPDT, 6A (1.5A) @ 250 VAC, UL listed, adjustable 0° to 95°.
Line
Volts
Actuators may be connected in parallel.
Power consumption must be observed.
1 Common
2 + Hot
LF24 US
3
2
W048-AUX
On/Off wiring
Meets cULus or UL and CSA requirements without the
need of an electrical ground connection.
WARNING Live Electrical Components!
Auxiliary Switch
N40021 - 06/11 - Subject to change. © Belimo Aircontrols (USA), Inc.
During installation, testing, servicing and troubleshooting of this product, it may be necessary
to work with live electrical components. Have a qualified licensed electrician or other individual who
has been properly trained in handling live electrical components perform these tasks. Failure to follow
all electrical safety precautions when exposed to live electrical components could result in death or
serious injury.
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Close-Off Pressures (psi)
G2/G3 Spring Return and Non-Spring Return
Non-Spring Return
NVD
2-way
G212(S)
G213(S)
G214(S)
G215(S)
G219(S)
G220(S)
G224(S)
G225(S)
G232(S)
G240(S)
G250(S)
NV
NVG
250
250
250
250
250
250
G315
G320
G325
G332
G340
G350
AM
NVFD
NVF
250
250
250
250
250
250
250
250
158
160
190
LF
250
250
250
250
250
250
242
250
250
250
185
250
250
250
250
250
250
250
250
250
250
250
250
AFX
169
93
230
127
169
93
230
127
250
250
250
250
250
158
250
250
250
250
250
250
250
N40021 - 06/11 - Subject to change. © Belimo Aircontrols (USA), Inc.
250
250
250
207
130
88
47
230
127
AF
250
250
158
250
250
158
NF
250
250
250
250
185
185
207
207
130
88
47
230
127
250
162
110
58
3-way Diverting
G315D
G320D
G325D
G332D
G340D
G350D
Spring Return
NM
250
250
250
250
242
242
250
250
162
110
58
3-way Mixing
G314
LM
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