FD TMS, Installation And Operation Manual

Page: 37 / 38

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Appendix 4 Upper Range Value of Common Gas
(Unit: Nm
3
/h. The follow table can be extended)
Nominal
Diameter
(mm)
Air Nitrogen
（
N
2
）
Oxygen
（
O
2
）
Hydrogen(H
2
)
15 65 65 32 10
25 175 175 89 28
32 290 290 144 45
40 450 450 226 70
50 700 700 352 110
65 1200 1200 600 185
80 1800 1800 900 280
100 2800 2800 1420 470
125 4400 4400 2210 700
150 6300 6300 3200 940
200 10000 10000 5650 1880
250 17000 17000 8830 2820
300 25000 25000 12720 4060
400 45000 45000 22608 7200
500 70000 70000 35325 11280
600 100000 100000 50638 16300
700 135000 135000 69240 22100
800 180000 180000 90432 29000
900 220000 220000 114500 77807
1000 280000 280000 141300 81120
1200 400000 400000 203480 91972
1500 600000 600000 318000 101520
2000 700000 700000 565200 180480
The flow rate in standard condition: The flow rate is in the condition of 20
℃
temperature and 101.325kPa
pressure.
The unit of flow rate is optional: Nm3/h, Nm3/min, L/h, L/min, t/h, t/min, kg/h or kg/min.
The reduction formula of flow rate in working condition and flow rate in standard condition: