Page 121 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition

Fluid F!ow 105

Table 2-11
Simplified Flow Formula For Compressible Fluids Pressure Drop, Rate of Flow and Pipe Sizes*
(Use With Figure 2-31)
Values of C2
I
Nominal Schedule Value Nominal I Schedule I Value f;!i�:k�:! tt�bu1: Value
Pipe Size I Number of C, Pipe Size Number of C, of C2
Inches II Inches 11 Inches -
Ya 40 s 7920 000. I 5 40 s 1.59 16 10 0.004 63
80x 26 200 000. 80 x 2.04 20 0.004 21
120 2.69 30s 0.005 04
tA 40 s 1590000. 160 3.59 40x 0.005 49
80x 4 290 000. ... xx 4.93 60 0.006 12
% 40 s 319 000. 6 ! 40s 0.610 80 0.00700
80 x 718 000. 80x 0.798 100 0.008 04
120 1.015 120 0.00926
1h 40s 93 500. 160 1.376 140 0.01099
80 x 186 100. ... xx 1.861 160 0.01244
160 4 300 000.
... xx 11180 000. 8 20 0.133
30 0.135 18 10 0.002 47
40 s 0.146 20 0.002 56
3,4 40 s 21 200. 60 0.163 .. s 0.00266
80x 36 900. 80 x 0.185 30 0.002 76
160 100 100. .. x 0.002 87
... xx 627000. 100 0.211 40 0.002 98
120 0.252
1 40 s 5950. 140 0.289 I 60 0.003 35
80x 9'640. ... xx 0.317 80 0.003 76
160 22 500. 160 0.333 100 0.004 35
... xx 114100. 120 0.005 04
10 20 0.039 7 140 0.00573
11/.a 40s 1408. 30 0.042 1 160 0.00669
80 x 2110. 40 s 0.0447
160 3 490. 60x 0.0514
·.·. xx 13 640. 80 0.056 9 20 10 0.001 41
20 s 0.001 50
100 0.066 1 30x 0.00161
11h 40 s 627. 120 0.075 3 40 0.00169
80x 904. 140 0.090 5 60 0.001 91
160 1656. 160 0.105 2
... xx 4630. 80 0.00217
12 20 0.015 7 100 0.002 51
2 40 s 169. 30 0.016 8 120 0.002 87
80 x 236. ... s 0.017 5 140 0.003 35
160 488. 40 0.018 0 160 0.003 85
.. . xx 899 . ... x 0.019 5
60 0.020 6
21h 40s 66.7 24 IO 0.000 534
80x 91.8 80 0.023 1 20s 0.000 565
160 146.3 100 0.026 7 .. x 0.000 597
... xx 380.0 120 0.031 0 30 0.000614
140 0.035 0 40 0.000651
160 0.042 3 60 0.000741
J 40 s 21.4
80x .28.7 14 10 0.009 49 80 0.000 835
160 48.3 20 0.009 96 100 0.000 972
... xx 96.6 30 s 0.01046 120 0.001119
40 0.010 99 140 0.001274
31/z 40 s 10.0 ... x o.ou 55 160 0.001478
80x 37.7 60 0.012 44
4 40 s 5.17 80 0.014 16 Note
80 x 6.75 100 0.016 57 The letters s, x, and xx in the col-
120 8.94 120 0.018 98 umns of Schedule Numbers indicate
Standard. Extra Strong. and Double
11.80
0.021 8
140
I 160 18.59 160 0.025 2 Extra Strong pipe respectively.
... xx
-
By permission, Crane Co., Technical Paper#4IO, Engineering Div., 1957. See author's note al Figure 2-31.