Cla-Val 90-21 Technical Manual - Manual (Page 15)

4" 90G-21
OBSERVED FLOW RATE WHEN INLET PRESSURE
DROPS BELOW OUTLET PRESSURE SET POINT
Inlet @ 155 psi; Outlet Setting @ 165 psi
Inlet @ 100 psi; Outlet Setting @ 165 psi
Inlet @ 50 psi; Outlet Setting @ 165 psi
Inlet @ 20 psi; Outlet Setting @ 30 psi
200
175
150
125
100
75
50
25
0
0 100 200 300 400 500 600 700 800 900 1000 1100
FLOW (GPM)
OUTLET
PRESSURE (PSI)
Inlet @ 155 psi Outlet Setting @ 165 psi
Inlet @ 100 psi Outlet Setting @ 165 psi
Inlet @ 50 psi; Outlet Setting @ 165 psi
Inlet @ 20 psi; Outlet Setting @ 30 psi
1000 750 500 250 0
0
25
50
75
100
125
150
175
OUTLET
PRESSURE (PSI)
FLOW (GPM)
1250 1500
6" 90G-21
Page 4 UL Tested March 23, 1999
125
150
175
200
8" 90G-21
OBSERVED FLOW RATE AT VARIOUS INLET PRESSURES
AND OUTLET PRESSURE SET POINTS
Inlet @ 200 psi; Outlet Setting @ 165 psi
Inlet @ 150 psi; Outlet Setting @ 120 psi
0
25
50
75
100
0 200 400 600 800 1000 1200 1400 1600
FLOW (GPM)
Inlet @ 100 psi; Outlet Setting @ 90psi
Inlet @ 50 psi; Outlet Setting @ 30 psi