Cla-Val 90-21 Technical Manual - Manual (Page 13)

1-1/2" 90G-21
OBSERVED FLOW RATE WHEN INLET PRESSURE
DROPS BELOW OUTLET PRESSURE SET POINT
200
175
150
125
100
75
50
25
0
0 50 100 150 200
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
1-1/2" 90A-21
Inlet @ 155 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
200 150 100 50 0
0
25
50
75
100
125
150
175
OUTLET
PRESSURE (PSI)
FLOW (GPM)
OUTLET
PRESSURE (PSI)
Page 2 UL Tested March 23, 1999