Tunstall Macon STV Series Manual page 37

Differential Pressure Table
Model MBF / MF, MBG / MG Valves Size 8" - 12" / VF, VG & VW Valves Size 8" - 16"
MBF/MF, MBG/MG
VF, VG & VW
Flow
GPM 800
400.0 10
425.0 12
450.0 14
475.0 16
500.0
18
525.0 20
550.0 22
575.0 25
600.0 28
625.0 31
650.0
34
675.0 37
700.0 40
725.0 43
750.0 52
775.0
62
800.0 73
825.0 85
850.0 97
875.0 111
900.0 125
925.0 140
950.0 156
975.0 173
1000.0
1100.0
1200.0
1300.0
1400.0
1500.0
1600.0
1700.0
1800.0
1900.0
2000.0
2200.0
2400.0
Size 8"
FF 130.61
Flow Formulas
GPM = FF x (DP)
2
DP = (GPM/FF)
PPL = DP x 0.12
Optional features and accessories available for this
Macon product are an extra charge, and not included
in the standard model price.
www.maconbalancing.com
Differential Pressure: Inches W.C.
Models
Model Size
1000
8
9
10
11
13
15
18
21
24
27
31
35
39
43
52
62
72
84
96
109
124
138
154
171
10"
192.54
Notes:
1) Accuracy ± 3% of flow rate.
2) Repeatability ± 0.25% of rate.
3) Values in BOLD type represents traditional 10" to 100" sizing range.
4) All valves will function above and below ranges shown. Pressure drop
and readability should be taken into account.
- Model Sizes 8" to 16"
Models
MBF/MF,
MBG/MG,
VF, VG & VW
Flow
GPM 1200
1000.0 7
1100.0 9
1200.0 10
1300.0 12
1400.0
14
1500.0 16
1600.0 19
1700.0 21
1800.0 23
1900.0 26
2000.0
29
2200.0 35
2400.0 42
2600.0 49
2800.0 57
3000.0
65
3200.0 74
3400.0 84
3600.0 94
3800.0 105
4000.0 116
4200.0 128
4400.0 140
4500.0
4600.0
4700.0
4800.0
5000.0
5200.0
5400.0
5600.0
5800.0
6000.0
6400.0
6800.0
Size 12"
FF 371.4
Tunstall Corporation
118 Exchange Street · Chicopee, MA 01013
Phone (413) 594-8695 · Fax (413) 598-8109
Section: Components
37
Models
VF, VG & VW
Model Size
1400 1600
7
8
9
11
12
13
15 8
9
17
20 11
24 13
28 16
33 18
37 21
43 24
48 27
54 30
60 34
67 37
73 41
81 45
84 47
88 49
92 51
96 54
104 58
63
68
73
78
84
95
108
14" 16"
490.29 655.0
Bulletin-MB-VG-VW-0915