User Guide
easy-e Valves
Product Flier
PF51.1:E
July 2008
19
ED, ES, and ET Flow Coefficients
FLOW
CHARAC-
TERISTIC
VALVE SIZE
MAXI-
MUM
TRAVEL
PORT
DIA.
ED AND ET
(FLOW DOWN)
ES (FLOW UP)
Valve Opening, Percent of Total Travel
10 30 70 100 100 10 30 70 100 100
DN NPS mm mm C
V
F
L
C
V
F
L
Quick
Opening
- - -
- - -
25
40
50
1/2
3/4
1, 1-1/4
1-1/2
2
19
19
19
19
29
33.3
33.3
33.3
47.6
58.7
- - -
- - -
4.86
7.79
13.4
- - -
- - -
13.4
20.5
39.9
- - -
- - -
21.1
39.4
73.7
- - -
- - -
22.1
44.0
77.6
- - -
- - -
.81
.79
.77
4.00
4.94
5.24
7.60
14.3
6.22
11.8
15.0
22.3
48.6
6.52
14.2
21.1
38.0
67.2
6.53
14.2
21.4
38.0
67.2
.88
.83
.89
.94
.93
65
80
100
150
200
2-1/2
3
4
6
8
38
38
51
51
76
73.0
87.3
111.1
177.8
203.2
20.9
27.2
37.7
73.6
135
58.8
77.9
125
232
434
103
149
238
416
759
109
161
251
460
863
.81
.77
.79
.82
.85
21.8
23.3
39.0
89.9
156
66.6
78.3
132
255
490
93.1
136
225
418
796
93.1
150
235
469
875
.91
.87
.89
.82
.85
X
T -
-
-
X
T -
-
-
- - -
- - -
25
40
50
1/2
3/4
1, 1-1/4
1-1/2
2
19
19
19
19
29
33.3
33.3
33.3
47.6
58.7
- - -
- - -
.556
.494
.605
- - -
- - -
.724
.682
.737
- - -
- - -
.566
.649
.641
- - -
- - -
.556
.597
.623
- - -
- - -
- - -
- - -
- - -
.681
.576
.540
.577
.633
.653
.605
.656
.639
.619
.624
.534
.663
.743
.797
.622
.534
.650
.789
.810
- - -
- - -
- - -
- - -
- - -
65
80
100
150
200
2-1/2
3
4
6
8
38
38
51
51
76
73.0
87.3
111.1
177.8
203.2
.601
.626
.623
.664
.643
.738
.745
.733
.667
.757
.669
.619
.689
.728
.857
.652
.577
.694
.710
.827
- - -
- - -
- - -
- - -
- - -
.659
.585
.642
.572
.520
.720
.602
.714
.601
.654
.848
.737
.769
.681
.818
.868
.720
.780
.700
.774
- - -
- - -
- - -
- - -
- - -
Linear
C
V
F
L
C
V
F
L
25
40
50
65
1, 1-1/4
1-1/2
2
2-1/2
19
19
29
38
33.3
47.6
58.7
70.3
3.21
4.23
7.87
9.34
8.18
11.8
24.9
35.5
16.9
30.3
62.0
83.6
20.6
39.2
72.9
108
.84
.82
.77
.81
2.27
3.56
8.49
10.4
6.23
11.1
25.9
34.9
15.8
26.7
59.2
73.7
20.1
34.9
65.3
86.5
.89
.92
.91
.93
80
100
150
200
3
4
6
8
38
51
51
76
87.3
111.1
177.8
203.2
14.5
23.3
46.3
91.4
52.1
78.1
171
325
118
181
367
711
148
236
433
846
15.3
23.7
55.0
100
52.8
72.9
180
330
112
165
341
719
135
212
417
836
.89
.89
.81
.85
X
T -
-
-
X
T -
-
-
25
40
50
65
1, 1-1/4
1-1/2
2
2-1/2
19
19
29
38
33.3
47.6
58.7
70.3
.340
.656
.641
.680
.494
.758
.728
.644
.610
.708
.683
.716
.636
.656
.638
.641
- - -
- - -
- - -
- - -
.691
.628
.618
.672
.690
.604
.689
.739
.709
.715
.742
.858
.690
.764
.762
.866
- - -
- - -
- - -
- - -
80
100
150
200
3
4
6
8
38
51
51
76
87.3
111.1
177.8
203.2
.671
.691
.656
.651
.697
.720
.744
.677
.707
.748
.784
.823
.620
.688
.740
.807
- - -
- - -
- - -
- - -
.607
.553
.597
.616
.663
.644
.701
.669
.762
.743
.787
.762
.751
.791
.745
.799
- - -
- - -
- - -
- - -
Equal
Percentage
C
V
F
L
C
V
F
L
25
40
50
65
1, 1-1/4
1-1/2
2
2-1/2
19
19
29
38
33.3
47.6
58.7
73.0
.783
1.52
1.66
3.43
2.20
3.87
4.66
10.8
7.83
17.4
25.4
49.2
17.2
35.8
59.7
99.4
.88
.84
.85
.84
.783
1.54
1.74
4.05
1.86
3.57
4.72
10.6
9.54
17.2
25.0
45.5
17.4
33.4
56.2
82.7
.95
.94
.92
.93
80
100
150
200
3
4
6
8
38
51
51
76
87.3
111.1
177.8
203.2
4.32
5.85
12.9
27.0
10.9
18.3
43.3
105
66.0
125
239
605
136
224
394
818
.82
.82
.85
.86
4.05
6.56
13.2
25.9
10.0
17.3
41.1
97.8
59.0
103
223
618
121
203
357
808
.89
.91
.86
.85
X
T -
-
-
X
T -
-
-
25
40
50
65
1, 1-1/4
1-1/2
2
2-1/2
19
19
29
38
33.3
47.6
58.7
73.0
.766
.780
.827
.778
.587
.716
.774
.678
.743
.690
.702
.661
.667
.679
.687
.660
- - -
- - -
- - -
- - -
.754
.674
.863
.747
.763
.694
.849
.745
.630
.698
.792
.783
.721
.793
.848
.878
- - -
- - -
- - -
- - -
80
100
150
200
3
4
6
8
38
51
51
76
87.3
111.1
177.8
203.2
.774
.731
.688
.644
.682
.643
.682
.636
.663
.672
.736
.725
.675
.716
.778
.807
- - -
- - -
- - -
- - -
.768
.722
.723
.825
.761
.739
.767
.681
.754
.718
.808
.735
.757
.822
.816
.827
- - -
- - -
- - -
- - -