Brochure

Model VG / VW
Submittal Data
Form # VG/VW-03.14
Optional features and accessories
available for this Macon product
are an extra charge, and not incl-
uded in the standard model price.
Tunstall Corporation
118 Exchange Street
Chicopee, MA 01013
Macon’s VG/VW Venturi Flowmeter features a carbon
steel venturi flow element. The precisioned machined
throats provides measurement accuracy of +3% of
flow rate. Model VG offers Grooved end connections;
Model VW offeres Weld end connections. Dual extended
length Pressure / Temperature Ports and Hanging I.D. Tag.
PART MATERIALS
Venturi
Size 2.5" – 6.0" ASTM A-216 Grade WCB
Size 8.0" – 16.0" ASTM A-120
End Conn. VG = Grooved End connections
VW = Weld End connections
Metering Ports Extended Length Pressure / Temperature
RATINGS Pressures to 400 PSIG (27 5 8 kP a )
Temperatures to 250 º F (107º C)
ACCURACY ± 3% of flow rate
Available Options “PTV” Combination PT and Air Vent
in 5.50 2.88 4.25
mm 139.70 73.15 107.90
in 6.00 3.50 4.59
mm 152.40 88.90 116.59
in 7.50 4.50 5.07
mm 190.50 114.30 128.78
in 8.75 5.56 5.58
mm 222.25 141.22 141.73
in 10.25 6.63 6.09
mm
260.35 168.40 154.69
V G - 500
V G - 600
VG -250
V G - 300
V G - 400
SIZE
in mm lbs kgMODEL A B C
Wgt
2.50" 65
3.33 1.51
3.00" 75
4.80 2.18
4.00" 100
8.27 3.75
5.00" 125
13.02 5.91
6.00" 150
18.78 8.52
in mm lbs kg
in 5.50 2.88 4.25
mm 107.95 73.15 139.70
in 6.00 3.50 4.59
mm 152.40 88.90 116.59
in 7.50 4.50 5.07
mm 190.50 114.3 128.78
in 8.75 5.56 5.58
mm 222.25 141.22 141.73
in 10.25 6.63 6.09
mm 260.35 168.40 154.69
V W- 500L
V W- 600L
MODEL
VW-250L
V W- 300L
V W- 400L
SIZE
A B C
Wgt
2.50" 65 3.44 1.56
3.00" 75 4.92 2.23
4.00" 100 8.40 3.81
5.00" 125 13.14 5.96
6.00" 150
18.94
8.59
NOMINAL DIMENSIONS & WEIGHTS
C
A
B
in 5.50 2.88 4.25
mm 139.70 73.15 107.90
in 6.00 3.50 4.59
mm 152.40 88.90 116.59
in 7.50 4.50 5.07
mm 190.50 114.30 128.78
in 8.75 5.56 5.58
mm 222.25 141.22 141.73
in 10.25 6.63 6.09
mm
in
mm
in
mm
in
mm
260.35
317.50
342.90 273.05 206.00
388.62 322.85 231.40
219.20 179.10
168.40 154.69
V G - 500L
V G - 600L
VG -250L
V G - 300L
V G - 400L
V G - 1000L&H*
V G - 1200L&H*
V G - 800L&H*
SIZE
in mm lbs kgMODEL A B C
Wgt
2.50" 65
3.33 1.51
3.00" 75
4.80 2.18
4.00" 100
8.27 3.75
5.00" 125
13.02 5.91
6.00"
8.00"
10.00"
12.00"
150
200
250
300
in
mm
in
mm
in
mm
V W- 1000L&H*
V W- 1200L&H*
V W- 800L&H* 8.00"
10.00"
12.00"
200
250
300
18.78 8.52
15.42
24.49
33.57
13.47
20.63
33.57
in mm lbs kg
in 5.50 2.88 4.25
mm 107.95 73.15 139.70
in 6.00 3.50 4.59
mm 152.40 88.90 116.59
in 7.50 4.50 5.07
mm 190.50 114.3 128.78
in 8.75 5.56 5.58
mm 222.25 141.22 141.73
in 10.25 6.63 6.09
mm 260.35 168.40 154.69
V W- 500L
V W- 600L
MODEL
VW-250L
V W- 300L
V W- 400L
SIZE
A B C
Wgt
2.50" 65 3.44 1.56
3.00" 75 4.92 2.23
4.00" 100 8.40 3.81
5.00" 125 13.14 5.96
6.00" 150
18.94
29.70
45.50
74.00
12.50
13.50
15.30
8.63
10.75
12.75
7.05
179.10
7.05
8.11
206.00
8.11
9.11
231.40
9.11
317.50
342.90 273.05
388.62 322.85
219.20
12.50
13.50
15.30
8.63
10.75
12.75
34.00
54.00
74.00
8.59
*
High Venturi models are only available in 8.0", 10.0" & 12.0" sizes
CHARTS INCLUDING 8,10,12 HIGH (RARELY USED SO DO NOT INCLUDE)
in 5.50 2.88 4.25
mm 139.70 73.15 107.90
in 6.00 3.50 4.59
mm 152.40 88.90 116.59
in 7.50 4.50 5.07
mm 190.50 114.30 128.78
in 8.75 5.56 5.58
mm 222.25 141.22 141.73
in 10.25 6.63 6.09
mm
in
mm
in
mm
in
mm
260.35
317.50
342.90 273.05 206.00
304.80 323.85 193.80
219.20 179.07
168.40 154.69
VG-500L
VG-600L
VG-250L
VG- 300L
VG-400L
VG-1000L
VG-1200L
VG-800L
SIZE
in mm lbs kgMODEL A B C
Wgt
2.50" 65
3.39 1.54
3.00" 75
4.91 2.23
4.00" 100
8.27 3.75
5.00" 125
13.02 5.91
6.00"
8.00"
10.00"
12.00"
150
200
250
300
in
mm
in
mm
in
mm
VW-1000L
VW-1200L
VW-800L 8.00"
10.00"
12.00"
200
250
300
18.78 8.52
15.42
24.49
24.49
13.47
20.63
in mm lbs kg
in 5.50 2.88 4.25
mm 139.70 73.15 107.95
in 6.00 3.50 4.59
mm 152.40 88.90 116.59
in 7.50 4.50 5.07
mm 190.50 114.3 128.78
in 8.75 5.56 5.58
mm 222.25 141.22 141.73
in 10.25 6.63 6.09
mm 260.35 168.40 154.69
VW-500L
VW-600L
MODEL
VW-250L
VW-300L
VW-400L
SIZE
A B C
Wgt
2.50" 65 3.50 1.59
3.00" 75 5.02 2.28
4.00" 100 8.40 3.81
5.00" 125 13.14 5.96
6.00" 150
18.94
29.70
45.50
12.50
13.50
12.00
8.63
10.75
12.75
7.05
179.07
7.05
8.11
206.00
8.11
7.63
317.50
342.90 273.05
219.20
12.50
13.50
8.63
10.75
34.00
54.00
54.00
304.80 323.85 193.80
24.49
12.00 12.75 7.63
54.00
in
mm
in
mm
482.60 355.60 209.55
660.40 406.40 234.95
VG-1400L
VG-1600L
14.00"
16.00"
355
406
32.79
65.31
19.00
26.00
14.00
16.00
8.25
9.25
72.30
144.00
in
mm
in
mm
482.60 355.60 209.55
660.40 406.40 234.95
VW-1400L
VW-1600L
14.00"
16.00"
355
406
32.79
65.31
19.00
26.00
14.00
16.00
8.25
9.25
72.30
144.00
8.59
NOMINAL DIMENSIONS & WEIGHTS