KROHNE OPTISWIRL 4070 Quickstart EN - Manual (Page 25)

TECHNICAL DATA
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OPTISWIRL 4070
www.krohne.com 06/2010 - 4000122102 - QS OPTISWIRL R04 en
Operating conditions
Temperature Temperature Temperature 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 Pressure Pressure Pressure
Product Max. 100 bar / 1450 psi; Information on higher pressures on request.
Ambient Atmosphere
Chemical properties Chemical properties Chemical properties Chemical properties
Density Taken into consideration when sizing.
Viscosity < 10 cP
Reynold's number 10000...2300000
Recommended flow velocities Recommended flow velocities Recommended flow velocities 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 Other conditions Other conditions 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
connections
Standard: 1.4404/316L
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.
QS_OPTISWIRL4070_R04_en_122102_PRT.book Page 25 Monday, June 7, 2010 8:51 AM