
4” (100mm) CSM-81-F Flow Curve
Dial Setting
Pr
essur
e Dif
fer
ential
Pr
essur
e Dif
fer
ential
Flow (water)
feet*
(water)
160.0
80.0
40.0
20.0
10.0
5.0
4.0
2.0
1.0
inches bars
(water)
1920 4.8
960
2.4
480
1.2
240
.60
120
.30
60
.15
48
.12
24
.06
12
.03
50
40
30
20
10
0
5
10
20
40
50
100
200
400
800 gpm
19
38
76
152 190
380
760
1520
3040 lpm
* To convert to kg/m
2
, multiply feet of water by 304.8
* To convert to psi, multiply feet of water by .4335
4