Manual

5
Close Off Data n
Varying the preload is possible to adjust close offs between the upper and lower ports.
Table 3 - Close Off Data
Close Off ( ∆ P in psi)
Signal-to-Actuator
Valve Size Actuator (Positioner)
(in) Size (in
2
) 3-15 PSI 1-17 PSI 0-30 PSI
Upper Port Lower Port Upper Port Lower Port Upper Port Lower Port
2.5 46 8 8 27 27 73 73
100 (1M) 13 98 55 125 55 125
3 46 3 3 16 16 48 48
100 (1M) 6 66 35 94 35 125
4 46 0 0 6 6 24 24
100 (1M) 1 34 17 50 17 125
5 100 (1M) 0 21 9 31 9 97
6 100 (1M) 0 13 5 20 5 66
Temperature/Pressure Ratings n
Never exceed the temperature/pressure rat-
ings of the valve (see figure 5). The shaded
area shows the acceptable region.
Pressure — psig
Temperature — F
596MI
Temperature and Pressure Ratings
Figure 5