Siemens FX300 manual Operating conditions, Installation conditions, Materials

8 TECHNICAL DATA
	SITRANS FX300

Operating conditions

Temperature
Product	-40…+240°C / -40…+465°F
Ambient	Non-Ex: -40…+85°C / -40…+185°F
	Ex: -40…+60°C / -40…+140°F
Storage	-50…+85°C / -58…+185°F
Pressure
Product	Max. 100 bar / 1450 psi; Information on higher pressures on request.
Ambient	Atmosphere
Chemical properties
Density	Taken into consideration when sizing.
Viscosity	< 10 cP
Reynold's number	10000...2300000
Recommended flow velocities
Liquids	0.3…7 m/s / 0.98…23 ft/s (optional up to 10 m/s / 32.8 ft/s taking
	cavitation into account)
Gases and steams	2.0…80 m/s / 6.6…262.5 ft/s
	DN15: 3.0…45 m/s / 9.8…148 ft/s; DN25: 2.0…70 m/s / 6.6…230 ft/s
	For detailed information, see chapter "Flow tables".
Other conditions
Protection category	IP 66/67

Installation conditions

Inlet run	≥ 20 x DN (without disturbing flow, after pipe narrowing, after a single
	90° bend)
	≥ 30 x DN (after a double bend 2x90°)
	≥ 40 x DN (after a double three-dimensional bend 2x90°)
	≥ 50 x DN (after control valves)
	≥ 2 DN before flow straightener; ≥ 8 DN after flow straightener
	(specified values apply only to original ≥ 20 DN inlet run)
Outlet run	≥ 5 x DN
Dimensions and weights	For detailed information refer to chapter "Dimensions and weights".

Materials

Measuring sensor and process	Standard: 1.4404/316L
connections
	Option: Hastelloy® C-22 on request
Converter housing	Die-cast Aluminium
Pressure sensor gasket	Standard: FPM
	Option: FFKM
Measuring tube gasket	Standard: 1.4435/316L
	Option: Hastelloy® C-276
	Selection depends on measuring sensor material/medium.

68 www.siemens.com/flow 06/2009 - SFIDK.PS.050.F2.02 A5E02100423