_____________________________________________________________________________________________
Spring Air Systems Water Wash Ventilator Maintenance Manual 11/01
19
Hot Water Required Model DB
Ventilator
Length
Hot Water Flow
USGPM
Hot Water Flow
USGPM
Hot Water Flow
l/m
Hot Water Flow
l/s
feet meter @ 40 psi @ 60 psi @ 2.8 kg/cm2 @ 4.2 kg/cm2
3.0 914 4.9 6.0 18.5 22.7
3.5 1067 5.9 7.2 22.3 27.2
4.0 1279 5.9 7.2 22.3 27.2
4.5 1372 6.9 8.4 26.1 31.8
5.0 1524 6.9 8.4 26.1 31.8
5.5 1676 7.8 9.5 29.5 35.9
6.0 1829 7.8 9.5 29.5 35.9
6.5 1981 8.8 10.8 33.3 40.8
7.0 2131 8.8 10.8 33.3 40.8
7.5 2286 9.8 12.0 37.1 45.4
8.0 2438 9.8 12.0 37.1 45.4
8.5 2591 10.8 13.2 40.9 50.0
9.0 2743 10.8 13.2 40.9 50.0
9.5 2896 12.7 15.5 48.0 58.6
10.0 3048 12.7 15.5 48.0 58.6
10.5 3200 13.7 16.8 51.8 63.5
11.0 3353 13.7 16.8 51.8 63.5
11.5 3505 14.7 18.0 55.6 68.1
12.0 3658 14.7 18.0 55.6 68.1
12.5 3810 15.7 19.2 59.4 7206
13.0 3962 15.7 19.2 59.4 7206
13.5 4115 16.7 20.4 63.2 77.1
14.0. 4207 16.7 20.4 63.2 77.1
14.5 4420 17.6 21.5 66.6 81.3
15.0 4772 17.6 21.5 66.6 81.3
Chart No.3
Cold Water Required Model DB
Ventilator
Length
Cold Water
Flow
USGPM
Cold Water
Flow
l/s
Ventilator
Length
Cold Water
Flow
USGPM
Cold Water
Flow
l/s
feet meter @ 10 psi @ 0.7
kg/cm2
feet meter @ 10 psi @ 0.7
kg/cm2
3.0 914 0.21 0.79 9.5 2896 0.70 2.65
3.5 1067 0.28 1.06 10.0 3048 0.70 2.65
4.0 1279 0.28 1.06 10.5 3200 0.77 2.91
4.5 1372 0.35 1.32 11.0 3353 0.77 2.91
5.0 1524 0.35 1.32 11.5 3505 0.84 3.18
5.5 1676 0.42 1.59 12.0 3658 0.84 3.18
6.0 1829 0.42 1.59 12.5 3810 0.91 3.44
6.5 1981 0.49 1.85 13.0 3962 0.91 3.44
7.0 2131 0.49 1.85 13.5 4115 0.98 3.71
7.5 2286 0.56 2.12 14.0. 4207 0.98 3.71
8.0 2438 0.56 2.12 14.5 4420 1.05 3.97
8.5 2591 0.63 2.38 15.0 4772 1.05 3.97
9.0 2743 0.63 2.38
Chart No.4
NOTES:
a) All types “C” and “H” water wash ventilators have 3/4” (25 mm) hot water connections except model “DB” island
type, which have 1” connections.
b) Hot water pressure required is 40 to 70 psi (2.8 to 4.9 kg/cm2).
c) Hot water temperature required is 120F to 180F (49 to 81C).
d) All type “C” ventilators have 1/2” (13 mm) cold water inlet connection.
e) All drain connections are 2” diameter and recommended piped to an open hub drain.