Emerson EZH and EZHSO Series Pressure Reducing Regulators Ficha de datos Pagina 19

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Bulletin 71.2:EZH and EZHSO
19
Table 16. Types EZHOSX and EZHSO-OSX Main Valve with Whisper Trim™ Cage Wide-Open Flow and Sizing Coefcients
MAIN VALVE
BODY SIZE
TRIM,
% OF
CAPACITY
LINE SIZE EQUALS
BODY SIZE
2:1 LINE SIZE TO BODY
SIZE PIPING
IEC SIZING COEFFICIENTS
1:1 Line to
Body Size
2:1 Line to
Body Size
F
L
NPS DN
C
g
C
v
C
1
C
g
C
v
C
1
X
T
F
D
X
T
F
D
2 50
100
80
50
30
1554
1532
1218
750
41.5
40.9
31.2
17.7
37.4
37.5
39.0
42.3
1577
1542
1216
747
42.6
41.1
30.8
19.0
37.1
37.5
39.4
39.3
0.89
0.89
0.96
0.99
0.03
0.03
0.02
0.02
0.87
0.89
0.99
0.98
0.03
0.03
0.02
0.02
0.893 80
100
80
50
30
3611
3020
1994
1397
106
84.0
50.9
33.9
34.1
35.9
39.1
41.2
3416
2861
1968
1409
111
85.2
53.0
36.1
30.7
33.6
37.1
39.0
0.73
0.82
0.97
0.99
0.03
0.03
0.02
0.02
0.59
0.71
0.86
0.96
0.03
0.03
0.02
0.02
4 100
100
80
50
30
5650
5110
3370
2100
172
148
92.6
56.0
32.9
34.2
36.3
37.6
5480
4950
3290
2080
173
145
89.7
55.3
31.6
34.1
36.8
37.6
0.68
0.74
0.83
0.89
0.02
0.02
0.01
0.01
0.63
0.73
0.86
0.90
0.02
0.02
0.01
0.01
Table 17. Capacities for Types EZH and EZHSO with PRX Series Pilot and Type SA/2 Pilot Supply Filter Regulator
INLET PRESSURE OUTLET PRESSURE
CAPACITIES IN THOUSANDS OF SCFH / Nm
3
/h OF 0.6 SPECIFIC GRAVITY NATURAL GAS
USING 1:1 LINE SIZE TO BODY SIZE PIPING
NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100
psig bar psig bar SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h
30 2.1 15 1.0 27 0.7 112 3.0 229 6.1 365 9.8
40 2.8
15
25
1.0
1.7
37
31
0.9
0.8
149
128
4.0
3.4
309
260
8.2
6.9
483
420
13.0
11.3
50 3.4
15
25
35
1.0
1.7
2.4
45
41
35
1.2
1.1
0.9
183
169
142
4.9
4.5
3.8
382
347
288
10.2
9.3
7.7
588
550
469
15.8 
14.8
12.6
60 4.1
Up to 16
20
30
45
Up to 1.1
1.3
2.0
3.1
53
52
48
38
1.4
1.3
1.3
1.0
214
211
197
156
5.7
5.6
5.3
4.2
450
440
406
314
12.0
11.8
10.8
8.4
687
678
641
513
18.4
18.2
17.2
13.8
75 5.2
Up to 22
30
40
60
Up to 1.5
2.0
2.7
4.1
63
61
58
42
1.7
1.6
1.5
1.1
257
250
235
174
6.9
6.7
6.3
4.6
541
520
483
349
14.5
13.9
12.9
9.3
825
806
764
574
22.1
21.6 
20.5 
15.4
100 6.9
Up to 32
40
50
85
Up to 2.2
2.7
3.4
5.8
81
79
76
49
2.2
2.1
2.0
1.3
329
322
309
200
8.8
8.6
8.3
5.3
692
672
639
401
18.5
18.0
17.1
10.7
1055
1038
1003
663
28.3
27.9
26.9 
17.8
125 8.6
Up to 43
50
75
110
Up to 2.9
3.4
5.2
7.5
99
97
88
55
2.7
2.6
2.4
1.4
400
394
356
224
10.7
10.6
9.5
6.0
841
824
730
447
22.6
22.1
19.6
12.0
1283
1269
1163
742
34.4
34.1
31.2
19.9
150 10.3
Up to 52
75
95
130
Up to 3.5
5.2
6.5
8.9
117
110
101
68
3.1
2.9
2.7
1.8
473
449
411
278
12.7
12.0
11.0
7.5
994
929
841
557
26.6
24.9
22.5
14.9
1515
1453
1345
923
40.7
39.0
36.1 
24.8
200 13.8
Up to 73
100
125
185
Up to 5.0
6.9
8.6
12.8
152
145
133
69
4.1
3.9
3.6
1.8
616
588
544
283
16.5
15.8
14.6
7.6
1295
1219
1113
563
34.7
32.7
29.8
15.1
1974
1903
1775
940
53.0 
51.1 
47.7
25.2
300 20.7
Up to 115
150
200
275
Up to 7.9
10.3
13.8
19.0
222
213
190
107
6.0
5.7
5.1
2.9
902
866
773
440
24.2
23.2
20.7
11.8
1895
1798
1579
877
50.8
48.2
42.3
23.5
2892
2802
2532
1462
77.6
75.2 
67.9 
39.2
400 27.6
Up to 155
200
250
300
350
Up to 10.7
13.8
17.2
20.7
24.1
293
282
261
227
171
7.9
7.6
7.0
6.1
4.6
1189
1145
1061
926
698
31.9
30.7
28.4
24.8
18.7
2500
2377
2176
1876
1399
67.0
63.7
58.3
50.3
37.5
3813
3701
3463
3047
2316
102
99.3
92.9
81.8
62.2
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