KROHNE GFM 700 EN - Manual (Page 7)

7
4
Technical data The responsibility as to the suitability, intended use and corrosion-resistanc
of the materials used in their construction rests solely with the purchaser.
4.1 Versions, full-scale ranges, accuracies
Versions Primary head (S) Signal converter (C)
GFM 700 K integral system GFS 700 K GFC 700 K
GFM 700 F remote system GFS 700 F GFC 700 F
GFM 700 F-EEx GFS 700 F-EEx GFC 700 F - EEx
(Ex versions (remote system)) Approval to ATEX (Ex II 2 G) signal converter is installed
EEX de IIC T6 oder EEx d IIC T6 in non hazardous area
DEMKO Nr. 00ATEX2118 X
Full-scale ranges (configurable) Q
100%
volume flow v
100%
flow velocity
Standard 14 – 25000 m 3 /h
60 – 88000 US Gal/min
2 – 25 m/s
6.6 – 80 ft/s
Option 14 – 30000 m 3 /h
60 – 156000 US Gal/min
2 – 30 m/s
6.6 – 100 ft/s
Error limits
Accuracy
DN ≥ 80 / ≥ 3” v < 2 m/s ± 0.04 m/s (± 0.13 ft/s)
v ≥ 2 m/s ± 2% of measured value
DN ≤ 65 / ≤ 1½” ± 2% of measured value + 0.04 m/s
(± 2% of measured value + 0.13 ft/s)
Repeatability ± 0.5% of measured value
4.2
GFS 700 Primary head
Diameter DN 50 – 600 / 2” – 24” (option DN 700 – 1200 / 28” – 48”)
Flange connections Pressure rating (standard)
to DIN 2501 DN 50, DN 80: PN 40 40 bar / 580 psig
DN 65, DN 100 – 150: PN 16 16 bar / 230 psig
DN 200 – 600: PN 10 10 bar / 150 psig
to ANSI B 16.5 2” – 24”: Class 150 lb / RF 19 bar / 275 psig
Special versions max. 100 bar / 900 lb
Max. operating data Gas-Temperature Operating pressure
Integral systems standard option
Ambient temperature ≤ 40°C / ≤ 104°F ≤ 140°C / 284 °F ≤ 25 bar / 360 psig ≤ 40 bar / 580 psig
Ambient temperature ≤ 60°C / ≤ 140°F ≤ 60°C / 140 °F ≤ 25 bar / 360 psig ≤ 40 bar / 580 psig
Remote systems ≤ 180°C / 356 °F ≤ 25 bar / 360 psig ≤ 40 bar / 580 psig
Hazardous-duty versions ≤ 180°C / 356 °F ≤ 20 bar / 300 psig –
Max. allowable flow velocity ≤ 25 m/s / ≤ 80 ft/s, optionally ≤ 30 m/s / ≤ 100 ft/s
Max. allowable meter size (DN) DN
max
[mm] = 200 x ρ
Gas
[kg/m 3 ] or [inches] = 0.47 x ρ
gas
[lb/ft3]
as a function of process product D ensity ρ
Gas
in kg/m 3 or in [lb/ft 3 ]
Protection category (IEC 529 / EN 60529) IP 65 equivalent to NEMA 4 and 4X
Materials
Measuring tube and flanges
Standard DN 50-300 2“-12“ SS 1.4301 (measuring tube) and steel (flanges)
DN 350-600 14“-24“ steel
Option DN 50-600 2“-24“ SS 1.4404
DN 50-600 (only DIN) SS 1.4571
Ultrasonic sensors SS 1.4301
Gaskets Viton