
Optional features and accessories available for this
Macon product are an extra charge, and not included
in the standard model price.
www.maconbalancing.com
Tunstall Corporation
118 Exchange Street · Chicopee, MA 01013
Phone (413) 594-8695 · Fax (413) 598-8109
Section:
Components
Bulletin-MB-LL-STV-STVL-0915
Model LL-STV / LL-STVL
(Low Lead)*
Submittal Data
NOMINAL DIMENSIONS & WEIGHTS
Valve Selection Guide
SIZE
A
Length
B
Height
C
PIT Offset
WEIGHT
Handwheel
Turns
Minimum
Flow
Nominal
Range of Flow
Maximum
Flow
in
mm
lbs
kg
1/2”
15
in
3.39
3.74
1.57
1.2 0.53
10
GPM
0.14
0.5 - 3.8
12.1
mm
86
95
40
LPM
0.52
1.89 - 14.36
45.7
3/4”
20
in
3.54
3.74
1.65
1.3 0.58
10
GPM
0.26
3.8 - 5.5
17.4
mm
90
95
42
LPM
0.98
14.36 - 20.8
65.7
1”
25
in
4.02
3.78
1.73
1.7 0.77
10
GPM
0.37
5.5 - 9.5
30.0
mm
102
96
44
LPM
1.38
20.8 - 36
113.4
1-1/4”
32
in
4.72
3.78
1.85
2.7 1.20
10
GPM
0.60
9.5 - 14
44.6
mm
120
96
47
LPM
2.28
36 - 53
169.0
1-1/2”
40
in
5.20
4.25
1.93
3.3 1.50
10
GPM
0.91
14 - 20
66.4
mm
132
108
49
LPM
3.46
53 - 76
251.0
2”
50
in 6.06/6.46
STV/STVL
4.37
2.09
5.1
2.30
10
GPM
1.52
20 - 33
107.2
mm 154/164
111
53
LPM
5.76
76 - 125
406.0
FLOW CALCULATIONS
The Minimum Flow is calculated from the minimum recommended pressure drop,
1 ft WG (=3.0 kPa)
The Nominal Flow is from the maximum setting of the valve and the minimum recommended pressure drop,
2 ft WG (=6.0 kPa)
The Maximum Flow is calculated from the maximum setting of the valve and the max pressure drop,
20 ft WG (=60.0 kPa)
FEATURES
Accurate and precise flow measurement
Accurate and precise flow balancing
Positive Shut-off
Offsetting Pressure/temperature ports, Self sealing with
optional Drain Kits
“Y” Pattern Globe style design
Multi-turn, 360º handwheel with vernier scale and
digital readout
Built in memory stop
Wide vairety of accessories available
SPECIFICATIONS
Pressure Ratings:
300 psil (20 Bar)
Temperature Ratings:
-22ºF to 250ºF (-30ºC to 120ºC)
Body, Bonnet:
CW724R, CW511L
End Connections:
STV - Female, NPT
STVL - Solder, SWT
Gaskets:
EPDM
Seat Seal:
EPDM
Handwheel:
Polyamide Plastic
LL-STVL Series
LL-STV Series
* The wetted surface of this product contacted by consumable water contains less than one quarter of one percent (0.25%) of
lead by weight. Certificate of compliance available upon request.
C
IR
C
U
IT
SE
T
T
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R
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W
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AD
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Содержание Macon AB Series
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