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Reference Manual
00809-0100-4860, Rev BC
Appendix A: Reference Data
January 2013
Specifications and Reference Data
Notes
The Rosemount 8600D measures the volumetric flow under operating conditions (i.e. the actual
volume at the operating pressure and temperature–acfm or acmh), as shown above. However,
gas volumes are strongly dependent on pressure and temperature. Therefore, gas quantities are
typically stated in standard or normal conditions (e.g. SCFM or NCMH). (Standard conditions are
typically 59 °F and 14.7 psia. Normal conditions are typically 0 °C and 1 bar abs.)
The flow rate limits in standard conditions are found using the equations below:
Standard Flow Rate = Actual Flow Rate X Density Ratio
Density Ratio = Density at Actual (Operating) Conditions / Density at Standard Conditions
400 psig
(27,6 bar G)
max
min
2442
78.2
4149
133
4228
136
7183
229
500 psig
(34,5 bar G)
max
min
2188
78.2
3717
133
3789
136
6437
229
Table A-10. Saturated Steam Flow Rate Limits (Assumes Steam Quality is 100%)
Process
Pressure
Flow Rate
Limits
Minimum and Maximum Saturated Steam Flow Rates
for line sizes 1-in./DN 25 through 2-in./DN 50
1-in./DN 25 1
1
/2-in./DN 40 2-in./DN 50
Rosemount 8600D Rosemount 8600D Rosemount 8600D
lb/hr kg/hr lb/hr kg/hr lb/hr kg/hr
15 psig
(1,03 bar G)
max
min
342
34.8
155
15.8
917
82.0
416
37.2
1511
135
685
61.2
25 psig
(1,72 bar G)
max
min
449
39.9
203
18.1
1204
93.9
546
42.6
1983
155
899
70.2
50 psig
(3,45 bar G)
max
min
711
50.1
322
22.7
1904
118
864
53.4
3138
195
1423
88.3
100 psig
(6,89 bar G)
max
min
1221
65.7
554
29.8
3270
155
1483
70.1
5389
255
2444
116
150 psig
(10,3 bar G)
max
min
1724
78.1
782
35.4
4616
184
2094
83.2
7609
303
3451
137
200 psig
(13,8 bar G)
max
min
2225
88.7
1009
40.2
5956
209
2702
94.5
9818
344
4453
156
300 psig
(20,7 bar G)
max
min
3229
107
1464
48.5
8644
252
3921
114
14248
415
6463
189
400 psig
(27,6 bar G)
max
min
4244
125
1925
56.7
11362
295
5154
134
18727
487
8494
221
500 psig
(34,5 bar G)
max
min
5277
156
2393
70.7
14126
367
6407
167
23284
605
10561
274
Table A-9. Air Flow Rate Limits at 59 °F (15 °C)