ELGi EG 22 - Page 27

5.6
Installation and operation
1. Use the pipe sizes (as in Table 3) for the delivery pipe
that connects to ball valve of the compressor.
2. In case the main delivery pipe is more than 100 m (330
feet) long, use a pipe diameter that is one size bigger
than shown in the table.
Table 3. Global series – Air pipeline dimensions
Volume Flow FAD
NPS Pipe size/ Inside diameter (mm)
1 1/2 2 2 1/2 3 4
40.89 52.50 62.71 77.93 102.26
(m
3
/
min)
(cfm) (bar) (psi) (bar) (psi) (bar) (psi) (bar) (psi) (bar) (psi)
0.8 28 0.01 0.09
0.9 32 0.01 0.11
1.0 35 0.01 0.13
1.2 42 0.01 0.19
1.4 49 0.02 0.25 0.01 0.07
1.6 56 0.02 0.32 0.01 0.09
1.8 64 0.03 0.40 0.01 0.11
2.0 71 0.03 0.49 0.01 0.14
2.2 78 0.04 0.58 0.01 0.17
2.4 85 0.05 0.68 0.01 0.20 0.01 0.08
2.6 92 0.06 0.79 0.02 0.23 0.01 0.09
2.8 99 0.06 0.91 0.02 0.26 0.01 0.11
3.0 106 0.07 1.03 0.02 0.30 0.01 0.12
3.5 124 0.10 1.37 0.03 0.39 0.01 0.16
4.0 141 0.12 1.75 0.04 0.50 0.01 0.21
4.5 159 0.15 2.18 0.04 0.63 0.02 0.26 0.01 0.09
5.0 177 0.19 2.65 0.05 0.76 0.02 0.31 0.01 0.11
5.5 194 0.22 3.16 0.06 0.91 0.03 0.37 0.01 0.13
6.0 212 0.26 3.71 0.07 1.06 0.03 0.44 0.01 0.15
6.5 229 0.30 4.30 0.09 1.23 0.04 0.51 0.01 0.17
7.0 247 0.35 4.94 0.10 1.42 0.04 0.58 0.01 0.20
7.5 265 0.39 5.61 0.11 1.61 0.05 0.66 0.02 0.22
8.0 282 0.44 6.32 0.13 1.81 0.05 0.75 0.02 0.25
8.5 300 0.50 7.07 0.14 2.03 0.06 0.83 0.02 0.28 0.01 0.07
9.0 318 0.55 7.86 0.16 2.25 0.06 0.93 0.02 0.31 0.01 0.08
9.5 335 0.61 8.69 0.17 2.49 0.07 1.02 0.02 0.35 0.01 0.09
10.0 353 0.67 9.55 0.19 2.74 0.08 1.13 0.03 0.38 0.01 0.10
15.0 530 1.42 20.22 0.41 5.80 0.17 2.38 0.06 0.80 0.01 0.21
20.0 706 0.69 9.87 0.28 4.06 0.10 1.37 0.02 0.35
25.0 883 1.05 14.92 0.43 6.13 0.15 2.07 0.04 0.53
30.0 1059 1.46 20.90 0.60 8.59 0.20 2.90 0.05 0.75
35.0 1236 0.80 11.43 0.27 3.86 0.07 0.99
40.0 1412 1.03 14.63 0.35 4.94 0.09 1.27
45.0 1589 1.28 18.20 0.43 6.14 0.11 1.58
50.0 1765 0.52 7.46 0.13 1.92
55.0 1942 0.62 8.90 0.16 2.29
60.0 2118 0.73 10.46 0.19 2.69
65.0 2295 0.85 12.13 0.22 3.12
70.0 2471 0.97 13.91 0.25 3.57
75.0 2648 1.11 15.80 0.28 4.06
80.0 2824 1.25 17.81 0.32 4.58
85.0 3001 1.40 19.92 0.36 5.12
90.0 3177 0.40 5.69
95.0 3354 0.44 6.29
100.0 3530 0.48 6.92
150.0 5295 1.03 14.64
NOTE
The above table shows the pressure drops in 100m length
schedule 40 steel pipe at 7 bar (abs)