Standard screens, Flow-coefficient, Dimensions — weights – Watts 88-CSI User Manual
Page 2: Performance data
Standard Screens
SIze
OpeNINgS
StaNdard SCreeNS
in.
mm
in.
mm
1
⁄ - 1
1
⁄
2
15-40
0.032
0.813
1
⁄
32
304SS perf.
2
50
0.045
1.143
3
⁄
64
304SS perf.
ES-88CSI 0930
© Watts, 2009
Flow-coefficient
The flow coefficient (Cv) is the number of gallons per minute
of water flowing through a given size restriction at a pressure
drop on one psi. To obtain the Cv factor for a given size strain-
er, read capacity at intersection with the one (1) psi
pressure drop.
Conversions:
For gpm to lpm, multiply by 3.8.
For psi to bars, multiply by .069
Flow
(water)
-
gpm
pressure drop - psi
in. mm
2 50
1
1
⁄
2
40
1
1
⁄
4
32
1 25
3
⁄
4
20
1
⁄
2
15
Strainer
Size
300
100
10
1
.5
0.1
1
10
Watts product specifications in U.S. customary units and
metric are approximate and are provided for reference only.
For precise measurements, please contact Watts Technical
Service. Watts reserves the right to change or modify prod-
uct design, construction, specifications, or materials without
prior notice and without incurring any obligation to make such
changes and modifications on Watts products previously or
subsequently sold.
Dimensions — Weights
SIze
dImeNSIONS
WeIghtS
A
B
C (NPT)
in.
mm
in.
mm
in.
mm
in.
mm
lbs.
kgs.
1
⁄
2
15
2
15
⁄
16
75
2
1
⁄
4
57
1
⁄
4
8
2
.9
3
⁄
4
20
3
7
⁄
16
87
2
9
⁄
16
65
3
⁄
8
10
3
1.3
1
25
4
9
⁄
16
116
2
13
⁄
16
71
3
⁄
8
10
5
2.2
1
1
⁄
4
32
4
15
⁄
16
125
3
1
⁄
16
78
3
⁄
4
20
7
3.1
1
1
⁄
2
40
5
9
⁄
16
141
3
5
⁄
16
84
3
⁄
4
20
10
4.5
2
50
6
15
⁄
16
176
4
13
⁄
16
122
1
25
15
6.8
Dimensions shown are subject to change. Contact Watts for exact dimensions when required.
Performance Data
Table shows flow rates (gpm-water) at various pressure drops
(psi) using standard screens.
a
C
Npt
B
Inlet
Cap
Npt/SW
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Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
A Watts Water Technologies Company