Submittal Sheet

Series 757Na flow curves as tested by Underwriters Laboratory per UL 1469, 1996.
Flow characteristics collected using butterfly shutoff valves
* = Rated flow ** = UL Rated flow
N - Pattern
Capacity
kPa psi
96 14
83 12
69 10
55 8
41 6
28 4
14 2
00
050 100 150 200 250 300 350 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
00
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)
*
**
kPapsi
13820
11016
83 12
55 8
28 4
00
0100 200 300 400500 600 700 800 gpm
0380 760 1140 1520 1900 2280 2660 3040 lpm
spf515.7
2.3 4.6 mps
4" (100mm)
*
*
kPapsi
83 12
69 10
55 8
41 6
28 4
14 2
00
0300 600 900 1200 1500 gpm
011402280 3420 4560 5700 lpm
7.5 15 fps
2.3 4.6mps
6" (150mm)
*
**
**
**
N
N
N
N