Norminal Diameter
(
mm
)
Coefficient of Rated Flow-rate
Travel
(
mm
)
Diaphragm Effective Area
(
cm
2
)
Inherent dischange Characteristics
Nominal Pressure
(
MPa
)
25
10
18
280
Straight-line
Equi-percentage
1.6
6.4
40
25/16
25
400
50
40
40
400
65
63
40
630
80
100
40
630
100
160
40
630
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