Watts 957ZRPDA - Manual (Page 3)

0 100 200 300 400 500 gpm
0 380 760 1140 1520 1900 lpm
7.5 15 fps
2.3 4.6 mps
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)
*
*
0 500 1000 1500 2000 2500 gpm
0 1900 3800 5700 7600 9500 lpm
7.5 15 fps
2.3 4.6 mps
8" (200mm)
*
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)
*
**
**
**
**
Capacity
Series 957RPDA, 957NRPDA, 957ZRPDA flow curves as tested by Underwriters Laboratory per UL 1469, 1996.
Flow characteristics collected using butterfly shutoff valves
* = Rated flow ** = UL Rated flow
Horizontal N-Pattern Z-Pattern
Z
N
H
N
Z
H
N
Z
H
N
Z
H
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
2 1 ⁄
2
" (65mm)
* **
Z
N
H
kPa psi
124 18
110 16
96 14
83 12
69 10
55
8
41 6
kPa psi
124 18
110 16
96 14
83 12
69 10
55
8
41 6
kPa psi
124 18
110 16
96 14
83 12
69 10
55
8
41 6
kPa psi
110 16
96 14
83 12
69 10
55 8
41 6
kPa psi
110 16
96 14
83 12
69 10
55
8
41 6
28 4
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)
* **
N
Z
H
kPa psi
179 26
152 22
124 18
96 14
69 10
41 6