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･The preset temperature error is the maximum temperature width ranging from the time when the valve
closes until the time when the valve starts to open, not the value expressing the control width.
3.4 Cv value table
Nominal size
OB-3･3G
OB-4
OB-4G
3.5 Valve Seat Leakage
Nominal size
OB-3･3G
OB-4
OB-4G
･The leakage amount mentioned above is the maximum leakage amount measured when
15A
20A
25A
2
2
4
2
2
4
2
2
4
15A
20A
25A
1.5
1.5
1.8
1.5
1.5
1.8
1.5
1.5
1.8
32A
40A
50A
7
10
―
7
10
14
7
10
14
32A
40A
50A
2.4
3.0
―
2.4
3.0
3.6
2.4
3.0
3.6
3
65A
80A
100A
―
―
―
21
27
42
21
27
42
Unit：steam (kg/h),water (L/h)
65A
80A
100A
―
―
―
4.8
6.0
7.2
4.8
6.0
7.2
125A 150A
―
―
72
94
72
―
125A 150A
―
―
9.0
10.8
9.0
―
■EPDT-258a■
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