Capacity – Watts LF709 User Manual
Page 3
0 50 100 150 200 250 300 350
400
gpm
0 190 380 570 760 950 1140 1330
1520
lpm
5
7.5 10
15 fps
1.5 2.3 3.0
4.6 mps
2
1
⁄
2
" (65mm)
6" (150mm)
3" (80mm)
8" (200mm)
4" (100mm)
Pressure Loss
Pressure Loss
Flow Rate
Flow Rate
10" (250mm)
Capacity
‡Typical maximum system flow rate (7.5 feet/sec.)
**UL rated flow
kPa psi
103 15
83 12
62 9
41 6
21 3
0 0
0 50 100 150 200 250
300
gpm
0 190 380 570 760 950
1140
lpm
5
7.5
10
15
20 fps
1.5
2.3
3.0
4.6
6.1 mps
kPa psi
103 15
83 12
62 9
41 6
21 3
0 0
0 50 100 200 300 400 500 600
gpm
0 190 380 760 1140 1520
1900
2280
lpm
5
7.5 10 15
fps
1.5
2.3 3.0 4.6
mps
Pressure Loss
Flow Rate
kPa psi
103 15
83 12
62 9
41 6
21 3
0 0
0 100 250 500 750 1000 1250
1500
gpm
0 380 950 1900 2850 3800 4750
5700
lpm
5 7.5
10
15 fps
1.5 2.3
3.0
4.6 mps
Pressure Loss
Flow Rate
kPa psi
103 15
83 12
62 9
41 6
21 3
0 0
0
250 500 1000 1500 2000 2500
3000
gpm
0
950 1900 3800 5700 7600 9500
11400
lpm
5 7.5 10
15
fps
1.5 2.3
3.0
4.6
mps
Pressure Loss
Flow Rate
kPa psi
103 15
83 12
62 9
41 6
21 3
0 0
0 500 1000 1500 2000 2500 3000 3500
4000
gpm
0 1900 3800 5700 7600 9500 11400
13300
15200
lpm
5
7.5 10
15 fps
1.5
2.3 3.0
4.6 mps
Pressure Loss
Flow Rate
kPa psi
103 15
83 12
62 9
41 6
21 3
0 0
‡
**
**
**
**
**
**
‡
‡
‡
‡
‡
ES-LF709 1319
© 2013 Watts
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
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