Tunstall Macon STV Series Manual page 24

050L 050H
Flow 075RL 075RH
GPM 075CL 075CH
0.10 1
0.20 2
0.30 5
0.42 10 1
0.50 14 1.5
0.75 3
31
1.00 55 6
1.25 86 9
1.35 101 11
1.50 124 13
2.00 221
23
2.25
29
2.50 36
3.00 52
3.50 71
4.00
92
4.50 117
5.00 144
5.50 175
6.00 208
6.50 244
7.25
7.50
8.00
8.50
9.00
9.50
10.00
10.50
11.00
11.50
12.00
12.50
13.00
14.00
15.00
16.00
17.00
0.50" L 0.50" H
Size 0.75" RL 0.75" RH
0.75" CL 0.75" CH
FF 0.1346 0.4163
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 Table
Model MB Venturi Type Balancing Valve 0.50" - 2.00"
Differential Pressure: Inches W.C.
Model MB -
075L 075H
100RL 100RH
100CL 100CH
1
2
4
6
7 1
9 1.4
2.5
16
3
21
25 4
36 6
50 8
65 10
82 13
101 15
123 19
146 22
171 26
213
33
228 35
40
45
50
56
62
68
75
82
89
97
105
121
139
159
179
0.75" L 0.75" H
1.00" RL 1.00" RH
1.00" CL 1.00" CH 1.00"
0.4967 1.2704 0.9889
Notes:
1) Accuracy ± 3% of flow 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 MB
100 125 150
1
1.5
2
2.3
4
5
6 1.2
9 1.7
13 2.3 1.4
3 1.8
16
21 4 2.3
26 5 3
31 6 3.4
37 7 4
43 8 5
6
54 10
58 11 6.4
65 12 7
74 14 8
83 15 9
92 17 10
102 19 11
113 21 12
124 23 14
135 25 15
147
27 16
160 30 18
173 32 19
200 37 22
43 25
49 29
55 33
1.25" 1.50"
2.2921 2.9816
2) Repeatability ± 0.25% of rate.
118 Exchange Street · Chicopee, MA 01013
Phone (413) 594-8695 · Fax (413) 598-8109
Section: Components
24
Model MB -
Flow
GPM 125 150
18.00
62 36
19.00 69 41
20.00 76 45
21.00 84 50
22.00 92 54
23.00
101 60
24.00 110 65
25.00 119 70
26.00 129 76
27.00 139 82
28.00 149
88
29.00 160
95
30.00 171 101
31.00 183 108
32.00 195 115
33.00 207 122
34.00 220 130
35.00 233 138
36.00 146
37.00 154
39.00 171
40.00 180
41.00 189
42.00 198
43.00 208
44.00 218
45.00 228
48.50
55.00
60.00
65.00
70.00
75.00
1.25" 1.50"
2.2921 2.9816
Tunstall Corporation
Bulletin-MB-MB-0915
200
200C
14
15
17
19
21
23
25
27
29
31
34
36
39
41
44
47
50
53
56
59
65
69
72
76
79
83
87
101
130
154
181
210
241
2.00"
2.00" C
4.8274