Emerson Daniel 700 Series

Technical Guide
DAN-LIQ-TG-44-rev0813
November 2013
P1
P3
P2
P1
P3
P2
13
= Inlet Pressure
= Outlet Pressure
= Spring Force
50% OPEN - The pressure differential across the valve (P1 minus P2) is equal to the spring force in
the 50% open position.
FULLY OPEN - The pressure differential across the valve (P1 minus P2) is equal to the spring force
in the fully open position.
= Inlet Pressure
= Outlet Pressure
= Spring Force
Figure 3-3
Figure 3-2