Download Emerson MR98 Data Sheet

Bulletin 71.4:MR98
Table 9. Steam Relief Capacities in Lbs per Hour / kg/h, Types MR98L and MR98LD with Metal Diaphragm Only (continued)
NOMINAL
BODY SIZE,
In. / DN
1/4 NPT
SPRING RELIEF
PRESSURE RANGE
psi
0.14 to 0.48
Yellow
6 to 14
0.41 to 0.97
Green
12 to 25
0.83 to 1.7
1.4 to 2.6
Red
Blue
2 to 7
0.14 to 0.48
Yellow
6 to 14
0.41 to 0.97
Green
12 to 25
0.83 to 1.7
Red
20 to 38
3/4 and 1 /
20 and 25
bar
2 to 7
20 to 38
1/2 / 15
COLOR
CODE
1.4 to 2.6
Blue
2 to 7
0.14 to 0.48
Yellow
6 to 14
0.41 to 0.97
Green
12 to 25
20 to 38
0.83 to 1.7
1.4 to 2.6
Red
Blue
RELIEF
PRESSURE
SETTING
PRESSURE BUILD-UP OVER RELIEF SETTING, psig / bar
15 / 1.0
20 / 1.4
25 / 1.7
30 / 2.1
psig
bar
lbs/h
kg/h
lbs/h
kg/h
lbs/h
kg/h
lbs/h
kg/h
2
0.14
59
26.8
72
32.6
82
37.3
93
42.1
5
0.34
63
28.5
76
34.5
86
39.3
97
44.1
10
0.69
66
29.9
82
37.2
94
42.7
110
48.2
15
1.0
67
30.3
86
39.2
100
45.3
110
51.5
20
1.4
73
33
92
41.8
110
48.2
120
54.5
25
1.7
77
35.2
98
44.7
110
51.6
130
58.5
25
1.7
70
32
91
41.5
110
48.8
120
56.2
30
2.1
74
33.9
96
43.7
110
51.4
130
59
35
2.4
78
35.4
100
45.5
120
53.6
140
61.7
2
0.14
160
72.2
190
84.9
210
97.1
240
109
5
0.34
180
79.9
200
92.3
230
104
260
116
10
0.69
190
88.2
230
103
250
116
280
128
15
1.0
180
81.6
210
97
240
110
270
123
20
1.4
210
94.6
240
108
270
121
290
133
25
1.7
230
102
260
118
290
130
310
142
25
1.7
260
120
310
140
330
151
360
163
30
2.1
290
130
330
150
360
163
380
175
35
2.4
310
140
360
162
380
175
410
187
2
0.14
280
128
340
156
410
187
480
219
5
0.34
310
142
380
171
440
201
510
231
10
0.69
360
165
430
197
510
230
580
262
15
1.0
370
168
440
201
550
248
640
290
20
1.4
400
181
480
216
600
271
690
315
25
1.7
420
192
510
232
650
293
750
339
25
1.7
380
174
470
216
630
285
750
339
30
2.1
400
184
500
227
670
305
800
364
35
2.4
420
191
520
236
710
324
850
389
17