Brochure

Manual Balancing Flow Chart
Submittal Data
Model MBF / MF
–
MBG / MG
–
MP
–
VF
–
VG
–
VW 2.50”
–
6.00”
Differenal Pressure : Inches W.C
Models Models
Flow
GPM 250L 300L 400L 500L 600L
Flow
GPM 400L 500L 600L
24.0 10 300.0 123 32 18
26.0 12 325.0 144 38 21
28.0 14 350.0 167 44 24
30.0 16 375.0 191 50 28
32.0 18 400.0 57 32
34.0 20 425.0 64 36
36.0 22 450.0 72 40
38.0 25 475.0 80 45
40.0 28 500.0 89 50
42.0 31 525.0 98 55
44.0 34 8 550.0 108 60
46.0 37 9 575.0 118 66
48.0 40 10 600.0 128 71
50.0 43 11 3 625.0 139 78
55.0 52 13 4 650.0 150 84
60.0 62 15 5 675.0 162 90
65.0 73 18 6 700.0 175 97
70.0 85 21 7 725.0 187 104
75.0 97 24 8 750.0 200 112
80.0 111 27 9 775.0 119
85.0 125 31 10 800.0 127
90.0 140 35 11 825.0 135
95.0 156 39 12 850.0 143
100.0 173 43 14 900.0 161
110.0 52 16 4 925.0 170
120.0 62 20 8 950.0 179
130.0 72 23 6 975.0 189
140.0 84 27 7 1000.0 199
150.0 96 31 8 1100.0
160.0 109 35 9 1200.0
170.0 124 39 10 1300.0
180.0 138 44 12 6 1400.0
190.0 154 49 13 7 1500.0
200.0 171 54 14 8
220.0 66 17 10
240.0 78 21 11
260.0 92 24 13
280.0 107 28 16
Size 2.50” 3.0” 4.0” 5.0” 6.0” 4.0” 5.0” 6.0”
FF 7.600 15.297 27.104 52.986 70.972 27.104 52.986 70.972
Flow Formulas
GPM = FF x (∆DP)
DP = (GPM/FF)
2
RPL = DP*0.12
Notes
1.) Accuracy ± 3% of flow rate
2.) Repeatability ± 0.25% of rate
3.) Values in BOLD type represents tradional 10” to 100” sizing range
4.) All valves will funcon above and below ranges shown. Pressure drop
and readabilit
y
should be taken into account.
Optional features and accessories available
for this Macon product are an extra charge,
and not included in the standard model price.
Tunstall Corporation
118 Exchange Street
Chicopee, MA 01013
Form # MP FC-03.14