Watts LF957ZRPDA - Manual (Page 3)

Capacity
Series LF957RPDA, LF957NRPDA, LF957ZRPDA 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
ES-LF957RPDA 1334 © 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
A Watts Water Technologies Company
kPa psi
124 18
110 16
96 14
83 12
69 10
55
8
41 6
0 50 100 150 200 250 300 350 gpm
0 190 380 570 760 950 1140 1330 lpm
15 fps
4.6 mps
kPa psi
110 16
96 14
83 12
69 10
55 8
41 6
0 100 200 300 400 500 gpm
0 380 760 1140 1520 1900 lpm
15 fps
4.6 mps
2 1 ⁄
2
"
3"
*
0 300 600 900 1200 1500 gpm
0 1140 2280 3420 4560 5700 lpm
15 fps
4.6 mps
6"
0 500 1000 1500 2000 2500 gpm
0 1900 3800 5700 7600 9500 lpm
15 fps
4.6 mps
8"
kPa psi
179 26
152 22
124 18
96 14
69 10
41 6
0 100 200 300 400 500 600 700 800 gpm
0 380 760 1140 1520 1900 2280 2660 3040 lpm
15 fps
4.6 mps
4"
0 500 1000 1500 2000 2500 3000 3500 gpm
0 1900 3800 5700 7600 9500 11400 13300 lpm
fps
mps
10"
*
* *
*
*
kPa psi
124 18
110 16
96 14
83 12
69 10
55
8
41 6
**
**
**
**
**
**
Z
N
H
Z
N
H
N
Z
H
N
Z
H
N
Z
H
N
Z
H
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
28 4
NOTICE
Inquire with governing authorities for local installation
requirements