Emerson MR95 Ficha Técnica Página 15

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Bulletin 71.1:MR95
15
Table 11. Air Capacities
(1)(2)
in SCFH / Nm
3
/h for 1/4 NPT and 1/2 through 1 in. / DN 15 through 25 Types MR95H and MR95HD
Regulators with Elastomer Diaphragm
RECOMMENDED
OUTLET/
DIFFERENTIAL
PRESSURE
RANGE,
psig/psi / bar
PRESSURE REGULATOR BODY SIZE, IN. / DN
Outlet /
Differential
Setting
Inlet
1/4 NPT 1/2 / 15 3/4 / 20 1 / 25
Droop Droop Droop Droop
10% 20% 10% 20% 10% 20% 10% 20%
psig bar psig bar SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h
15 to 30 /
1.0 to 2.1
15 1.0
30
40
50
75
100
150
200
250
300
2.1
2.8
3.4
5.2
6.9
10.3
13.8
17.2
20.7
430
530
640
850
1100
1600
2200
2300
2400
11.5
14.2
17
22.9
28.8
44.1
59.4
61.4
63.3
780
940
1100
1500
1900
2200
2500
2600
2800
20.9
25.3
29.7
40.1
50.6
59.2
67.8
70.8
73.8
1000
1200
1400
1600
1800
2500
3200
3700
4200
27.2
32.6
38
43.7
49.3
68
86.6
99.1
112
1700
1900
2200
2400
2700
3300
3900
4300
4700
44.5
51.4
58.4
64.8
71.2
88.2
105
115
126
2100
2500
2800
3700
4600
5700
6900
7200
7400
56
65.9
75.8
99.4
123
154
185
192
198
3300
3900
4500
5500
6500
7300
8200
8600
9100
88.3
104
120
147
174
196
219
231
244
2300
3100
3800
5200
6500
8400
10,000
12,000
13,000
62.8
82.3
102
138
174
226
277
315
354
4100
5300
6600
8300
10,000
12,000
14,000
16,000
18,000
110
143
176
223
269
327
385
428
472
30 2.1
40
50
75
100
150
200
250
300
2.8
3.4
5.2
6.9
10.3
13.8
17.2
20.7
750
1000
1400
1700
2000
2400
2900
3400
20.1
27.4
36.9
46.5
54.8
63.1
76.9
90.7
1400
1600
2200
2800
3200
3600
3900
4100
36.2
42.4
58.3
74.2
85.4
96.5
104
111
1700
2000
2500
3000
3500
4000
4800
5600
45.8
53.7
66.9
80.1
94.1
108
129
150
3000
3400
3900
4400
5100
5800
6400
7000
81.5
90.3
104
117
137
157
172
186
3500
4100
5400
6700
6600
6400
6400
6400
93.8
110
144
179
176
173
172
172
6000
7100
8500
9900
10,000
10,000
11,000
11,000
161
189
227
264
273
281
284
288
4000
5600
7600
9600
12,000
15,000
15,000
15,000
107
149
203
258
329
401
401
400
8000
10,000
13,000
16,000
19,000
21,000
21,000
21,000
214
269
350
431
496
561
568
576
25 to 75 /
1.7 to 5.2
50 3.4
60
75
100
150
200
250
300
4.1
5.2
6.9
10.3
13.8
17.2
20.7
1000
1400
1800
2500
3200
3800
4400
26.8
38.5
48.8
66.7
84.6
102
119
2000
2500
3200
4100
5000
5300
5600
53.6
68.1
86.2
110
134
142
149
2500
3100
3800
4800
5800
6500
7100
66.2
83.6
101
128
156
173
191
4500
5200
6200
7300
8500
8900
9300
121
140
165
196
227
238
250
5900
6500
8100
9500
11,000
12,000
12,000
158
175
218
255
292
310
329
9500
11,000
13,000
15,000
17,000
17,000
18,000
255
287
340
394
447
465
482
5500
8500
10,000
14,000
18,000
18,000
17,000
147
228
272
382
493
471
448
12,000
14,000
18,000
22,000
26,000
28,000
29,000
327
385
488
595
702
740
777
75 5.2
100
125
150
200
250
300
6.9
8.6
10.3
13.8
17.2
20.7
2400
3000
3500
4600
5300
5900
65.4
79.8
94.2
123
141
159
3900
4700
5500
7200
7600
8100
105
127
149
192
205
217
3000
4100
5200
7300
8300
9300
80.6
109
138
196
222
249
6700
7700
8600
11,000
12,000
13,000
179
205
231
283
313
344
10,000
12,000
13,000
16,000
16,000
17,000
278
313
349
420
438
456
17,000
18,000
20,000
24,000
25,000
26,000
445
491
537
630
657
684
12,000
15,000
18,000
23,000
24,000
25,000
316
393
470
624
650
677
19,000
24,000
28,000
37,000
38,000
40,000
519
636
752
985
1030
1070
70 to 150 /
4.8 to 10.3
100 6.9
125
150
175
200
250
300
8.6
10.3
12.1
13.8
17.2
20.7
2200
2700
3100
3500
4200
4800
58.7
73.1
83.6
94.2
112
129
3600
4500
5200
5800
6700
7500
96.6
122
139
157
179
202
5400
6400
7100
7900
8900
10,000
144
172
191
211
240
269
8900
10,000
11,000
12,000
13,000
15,000
239
277
298
320
360
399
12,000
14,000
16,000
18,000
20,000
22,000
323
381
438
495
540
586
20,000
23,000
25,000
28,000
30,000
32,000
525
610
684
758
808
858
13,000
17,000
19,000
21,000
25,000
29,000
343
459
512
564
668
771
21,000
27,000
31,000
35,000
40,000
45,000
573
736
838
939
1080
1210
150 10.3
175
200
225
250
300
12.1
13.8
15.5
17.2
20.7
3400
4200
4900
5600
7000
91
114
132
151
188
5400
6500
7400
8200
10,000
144
174
198
221
267
8900
10,000
11,000
12,000
13,000
238
272
290
309
346
14,000
16,000
17,000
17,000
18,000
371
429
443
457
485
13,000
16,000
18,000
19,000
23,000
357
425
473
521
616
26,000
31,000
33,000
36,000
40,000
709
835
894
954
1070
18,000
25,000
28,000
31,000
37,000
481
665
747
829
994
30,000
36,000
41,000
47,000
58,000
793
961
1110
1260
1560
1. To obtain capacities for Type MR95HT (metal diaphragm), multiply the table values by 0.6.
2. To obtain capacities for regulators with reduced ow orices, multiply the table values by 0.7.
For pressure drops lower than critical (absolute outlet
pressure greater than one-half absolute inlet pressure),
use the sizing nomographs in the Fisher
®
Sizing Program.
Water Capacities
All water capacities in Tables 20, 21, 22, 23 and 24 are in
gallons per minute (GPM). Capacities in Tables 20, 21 and
23 are for regulators using only elastomer diaphragms.
Depending on regulator size, a multiplier, given in these
tables, must be used to convert to capacities for regulators
using metal diaphragms.
To determine ow capacity for liquid relief valve sizing, refer
to the Fisher Sizing Program using the C
v
coefcients given
in Table 5. The K
m
values listed in Table 5 can be used to
predict choked ow on liquid service.
To convert capacities to m
3
/h, multiply GPM by 0.2271.
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