A.O. Smith VB/VW- 750 User Manual
5
CAPACITY AND FLOW DATA
TABLE 3. RECOVERY CAPACITIES.
TABLE 4. PUMPING PERFORMANCE GUIDE.
VB MODELS - FLOW, HEAD LOSS AND TEMPERATURE RISE
20F° (11°C) t
30F° (17°C) t
40F° (22°C) t
Maximum Flow Rate
Minimum Flow Rate
MODEL
GPM LPH P FT P m GPM LPH P FT P m GPM LPH P FT P m GPM LPH P FT P m T °F T °C GPM LPH P FT P m T °F T °C
VB-500 42 159 1.8 0.5 28 106 1.3 0.4 21 79 1.0 0.3 100 379 3.8 1.2 8 4 21 79 1.0 0.3 40 22
VB-750 63 238 2.9 0.9 42 159 2.1 0.6 32 121 1.8 0.5 110 416 4.3 1.3 12 7 32 121 1.8 0.5 40 22
VB-1000 85 322 3.9 1.2 56 212 2.8 0.9 42 159 2.3 0.7 120 454 4.9 1.5 14 8 42 159 2.3 0.7 40 22
Model
No.
Input
Rating
Btu/hr
Output
Rating
Btu/hr
Water
Flow
Temperature Rise - °F (°C)
40
60
80
90
100
120
140
(22)
(33)
(44)
(90)
(56)
(67)
(78)
VW-500
500,000
421,500
GPH
1,268
845
634
563
507
423
362
LPH
4,797
3,198
2,399
2,132
1,919
1,599
1,371
VW-700
750,000
633,750
GPH
1,901
1,268
951
845
761
634
543
LPH
7,196
4,797
3,598
3,198
2,878
2,399
2,056
VW-1000
1,000,000
845,000
GPH
2,535
1,690
1,268
1,127
1,014
845
724
LPH
9,595
6,397
4,797
4,264
3,838
3,198
2,741