Close off data, Temperature/pressure ratings – Powers 596 SI Flowrite II Heavy Duty Control Valves User Manual
Page 5
Form TI 596SI v2
Page 5
CLOSE OFF DATA
Close Off Ratings for Normally Closed Valves
Close Off (
∆
P in psi)
Signal-to-Actuator
Valve Size
Actuator
(Positioner)
(in)
(in
2
)
3-15 PSI
1-17 PSI
0-30 PSI
2.5
46
26
53
106
100 (1U)
96
125
125
3
46
15
34
70
100 (1U)
63
92
92
4
46
6
16
36
100 (1U)
32
48
48
5
100 (1U)
19
29
29
6
100 (1U)
12
19
19
50
250
200
150
100
50
300
150
100
Pressure — psig
Temperature —
¡
F
200
Maximum Media
Temperature
281¡F
Minimum Media
Temperature
40¡F
169 psig
596SI
Figure 3 - Temperature and Pressure Ratings
Close Off Ratings for Normally Open Valves
Close Off (
∆
P in psi)
Signal-to-Actuator
Valve Size
Actuator
(Positioner)
(in)
(in
2
)
3-15 PSI
1-17 PSI
0-30 PSI
2.5
46
49
86
125
100 (1L)
125
125
125
3
46
32
58
125
100 (1L)
90
118
125
4
46
15
30
77
100 (1L)
48
64
125
5
100 (1L)
29
39
105
6
100 (1L)
19
26
72
TEMPERATURE/PRESSURE RATINGS
In all cases, do not exceed the temperature/pressure
ratings of the valve (see figure 3). Acceptable region is
shown by the shaded area.
In all cases requiring greater close off, a preload adjustment is possible. Consult with factory for your application.