Watts 757N - Manual (Page 4)

Capacity
Series 757, 757N flow curves as tested by Underwriters Laboratory per UL 1469, 1996.
Flow characteristics collected using butterfly shutoff valves
* = Rated flow ** = UL Rated flow
Horizontal Vertical N - Pattern
kPa psi
96 14
83 12
69 10
55 8
41 6
28 4
14 2
0 0
0 50 100 150 200 250 300 350 gpm
0 190 380 570 760 950 1140 1330 lpm
7.5 15 fps
2.3 4.6 mps
kPa psi
83 12
69 10
55
8
41 6
28 4
14 2
0 0
kPa psi
83 12
69 10
55
8
41 6
28 4
14 2
0 0
0 100 200 300 400 500 gpm
0 380 760 1140 1520 1900 lpm
7.5 15 fps
2.3 4.6 mps
2 1 ⁄
2
" (65mm)
3" (80mm)
** *
0 300 600 900 1200 1500 gpm
0 1140 2280 3420 4560 5700 lpm
7.5 15 fps
2.3 4.6 mps
6" (150mm)
0 100 200 300 400 500 600 700 800 gpm
0 380 760 1140 1520 1900 2280 2660 3040 lpm
7.5 15 fps
2.3 4.6 mps
4" (100mm)
kPa psi
83 12
69 10
55
8
41 6
28 4
14 2
0 0
0 500 1000 1500 2000 2500 3000 3500 gpm
0 1900 3800 5700 7600 9500 11400 13300 lpm
7.5 fps
2.3 mps
10" (250mm)
**
**
** **
kPa psi
83 12
69 10
55
8
41 6
28 4
14 2
0 0
0 500 1000 1500 2000 2500 gpm
0 1900 3800 5700 7600 9500 lpm
7.5 15 fps
2.3 4.6 mps
8" (200mm)
** *
*
*
*
* kPa psi
165 24
138 20
110 16
83 12
55
8
28 4
0 0
N
V
H
H
N
V
N
V
H
N
V
H
N
H
V
N
H
V
ES-757/757N 1039 © 2010 Watts
USA: No. Andover, MA • Tel. (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Burlington, ON • Tel. (905) 332-4090 • Fax: (905) 332-7068 • www.wattscanada.ca
A Watts Water Technologies Company