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Close off data, Temperature/pressure ratings – Powers 596 Series Flowrite II Heavy Duty Control Valves - Type MI Mixing User Manual

Page 5

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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