Spec Sheet

bars psi
.8 12
.7 10
.5 8
.4 6
.3 4
.1 2
00
0 2 4 6 8 10 12 gpm
0 7.6 15.2 22.8 30.4 38 45.6 lpm
5 7.5 10 fps
1.5 2.5 3.0 mps
Pressure Drop
Flow
Flow
1
⁄2" (15mm)
1
1
⁄2" (40mm)
Capacity
As complied from documented Foundation for Cross-Connection Control and
Hydraulic Research at the University of Southern California lab tests.
* Typical maximum system flow rate (7.5 feet/sec., 2.3 meters/sec.)
** UL rated flow
bars psi
1.5 22
1.2 18
.96 14
.69 10
.41 6
.14 2
0 5 10 15 20 25 30 35 40 45 50 gpm
0 19 38 57 76 95 114 133 152 171 190 lpm
7.5 15 lps
2.3 4.6 mps
Pressure Drop
Flow
Pressure Drop
Flow
0 25 50 75 100 125 150 175 200 gpm
0 95 190 285 380 475 570 665 760 lpm
5 7.5 10 15 fps
1.5 2.3 3.0 4.6 mps
3
⁄4" (20mm)
2" (50mm)
bars psi
1.1 16
.8 12
.7 10
.5 8
.4 6
.3 4
.1 2
0 5 10 15 20 25 30 35 40 45 50 55 60 gpm
0 19 38 57 76 95 114 133 152 171 190 209 228 lpm
5 7.5 10 15 fps
1.5 2.3 3.0 4.6 mps
Pressure Drop
Flow
Pressure Drop
Flow
0 25 50 75 100 125 150 175 200 225 250 gpm
0 95 190 285 380 475 570 665 760 855 950 lpm
5 7.5 10 15 fps
1.5 2.3 3.0 4.6 mps
1" (25mm)
2
1
⁄2" (65mm)
bars psi
114
.8 12
.7 10
.5 8
.4 6
.3 4
.1 2
00
0 10 20 30 40 50 60 70 80 90 100 110 120 gpm
0 38 76 114 152 190 228 266 304 342 380 418 456 lpm
5 7.5 10 15 fps
1.5 2.3 3.0 4.6 mps
Pressure Drop
Flow
Pressure Drop
Flow
0 25 50 75 100 125 150 175 200 225 250 275 300 325 gpm
0 95 190 285 380 475 570 665 760 855 950 1045 1140 1235 lpm
5 7.5 10 fps
1.5 2.3 3.0 mps
1
1
⁄4" (32mm)
3" (80mm)
bars psi
.8 12
.7 10
.5 8
.4 6
.3 4
.1 2
00
bars psi
.8 12
.7 10
.5 8
.4 6
.3 4
.1 2
00
bars psi
.7 10
.5 8
.4 6
.3 4
.1 2
00
bars psi
.7 10
.5 8
.4 6
.3 4
.1 2
00
0 10 20 30 40 50 60 70 80 90 100 110 120 gpm
0 38 76 114 152 190 228 66 304 342 380 418 456 lpm
5 7.5 10 15 fps
1.5 2.5 3.0 4.5 mps
Pressure Drop
*
*
*
*
**
**
*
*
*
*
ES-007 0830 © Watts, 2008
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
Backflow Prevention Products