Cla-Val 90-21 Technical Manual - Manual (Page 14)

2" 90G-21
OBSERVED FLOW RATE WHEN INLET PRESSURE
DROPS BELOW OUTLET PRESSURE SET POINT
OUTLET
PRESSURE (PSI)
200
175
150
125
100
75
50
25
0
0 50 100 150
FLOW (GPM)
200 250 300
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
3" 90G-21
175
150
125
100
75
50
25
0
0 100 200 300 400 500 600
OUTLET
PRESSURE (PSI)
FLOW (GPM)
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
Page 3 UL Tested March 23, 1999