Appendix
82 FLOWSIC600 · Operating Instructions · 8010458 V2.0 · © SICK MAIHAK GmbH
7.1.3 Technical data
Table 5 Common meter sizes and flow rates
Type approval
The information in this section may differ from the type approval which is valid
for the FLOWSIC600 in your country.
Please use your national type approval for the FLOWSIC600.
Nominal Size
Actual flow rate
[m³/h]
Actual flow rate
[ft³/h]
Max. Velocity*
Min. Max. Min. Max. [m/sec] [ft/sec]
DN 50 (NPS 2) 6 400 210 14,000 65 213
DN 80 (NPS 3) 12 1,000 280 35,000 65 213
DN 100 (NPS 4) 20 1,600 460 57,000 60 197
DN 150 (NPS 6) 32 3,000 1,130 106,000 50 164
DN 200 (NPS 8) 40 4,500 1,410 159,000 45 148
DN 250 (NPS 10) 50 7,000 1,770 247,000 40 131
DN 300 (NPS 12) 65 8,000 2,300 283,000 33 108
DN 350 (NPS 14) 80 10,000 2,830 353,000 33 108
DN 400 (NPS 16) 120 14,000 4,240 494,000 33 108
DN 450 (NPS 18) 130 17,000 4,590 600,000 33 108
DN 500 (NPS 20) 200 20,000 7,060 706,000 33 108
DN 600 (NPS 24) 320 32,000 11,300 1,130,000 33 108
DN 700 (NPS 28) 650 40,000 22,950 1,413,000 30 98
DN 750 (NPS 30) 650 45,000 22,950 1,589,000 30 98
DN 800 (NPS 32) 800 50,000 28,250 1,766,000 30 98
DN 900 (NPS 36) 1,000 66,000 35,320 2,331,000 30 98
DN 1000 (NPS 40) 1,200 80,000 42,380 2,825,000 30 98
DN 1050 (NPS 42) 1,300 85,000 45,910 3,002,000 30 98
DN 1100 (NPS 44) 1,400 90,000 49,440 3,178,000 28 92
DN 1200 (NPS 48) 1,600 100,000 56,500 3,531,000 27 89
*When a configuration with flow conditioner is used, the velocity of gas must
not exceed 40 m/s (131 ft/s) in the pipe.