Siemens SITRANS FX300 - Page 76

8 TECHNICAL DATA
76
SITRANS FX300
www.siemens.com/flow 06/2009 - SFIDK.PS.050.F2.02 A5E02100423
Flow rate limits
Product Nominal sizes Minimum flow rates Maximum flow rates
EN ASME [m/s] [ft/s] [m/s] [ft/s]
Liquids DN15…300 ½…12"
0.5x(998/ρ)
0.5
1
1.64x(998/ρ)0.5 2
7x(998/ρ)
0.47
1
23x(998/ρ)0.47 2
Gas, steam DN15…300 ½…12"
6x(1.29/ρ)
0.5
3
16.4x(1.29/ρ)0.5
4
7x(998/ρ)
0.47
3
23x(998/ρ)0.47 4
ρ = operating density [kg/m
3
]
1 Minimum flow rate 0.3 m/s - maximum flow rate 7 m/s
2 Minimum flow rate 0.984 ft/s - maximum flow rate 23 ft/s
3 Minimum flow rate 2 m/s - maximum flow rate 80 m/s; DN15 up to 45 m/s and DN25 up to 70 m/s
4 Minimum flow rate 6.6 ft/s - maximum flow rate 262 ft/s; DN15 up to 148 ft/s and DN25 up to 230 ft/s
MA_Siemens_Sitrans_FX300_R02_en_PRT.book Page 76 Monday, June 22, 2009 8:17 AM