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FLOW
11.18
10/2008 We reserve the right to make technical changes.
11
www.ahlborn.com
Axial turbine flowmeter for liquids
Type FVA915VTH
Types:
incl. connecting cable, 6m long with ALMEMO® connector
Turbine body made of plastic Order No. FVA915VTHK
Turbine body made of brass Order No. FVA915VTHM
.. For measuring the volume flow rate or for dosing tasks with
small flow rates.
.. Extraordinary compact design.
.. Wide, usable measuring range.
.. Various options for operation:
Cooling water flow, medical technology, plastics industry,
solar systems, baker's equipment, machine tools, catering
equipment, photographic laboratory equipment, dispensers,
dosing equipment, cooling equipment, heating applications,
calorimetry.
Technical Data:
Nominal diameter DN 15
Measuring range 2 to 40 l / min
continuous load max. 20 l/min
Measuring accuracy ±1% of finale value
Reproducibility : ± 0,2 %
Signal output from 0.3 l/min
maximum size of particles 0.5 mm
in medium
maximum temperature 85°C
of medium
Nominal pressure PN10
Process connection G ¾" external thread and
union nuts
Pressure loss in bar Äp = 0.00145 x Q2 (Q in l/min)
approx. 0.6 bar at 20 l / min
approx. 2.3 bar at 40 l / min
Protection system IP 54
Output signal
Pulse rate / K factor 855 pulses / liter
Resolution 1.2 ml / pulse
Signal form rectangular signal, NPN,
open collector
Measuring transducer Hall sensor
Supply voltage 4,5 ... 24 V DC
(from ALMEMO® device)
Electrical connection 4-pin connector M12x1
including PVC line (Tmax =70 °C)
with ALMEMO® connector
Materials
pipe section
FV A915 VTH M brass CuZn36Pb2As
FV A915 VTH K plastic PPONoryl GFN3
Flat gasket NBR
Turbine cage PEI ULTEM
Rotating vane PEI ULTEM
Rotor complements hard ferrite magnets
Axle / bearing axle Arcap AP1D
with hard metal pins
in saphire bearings
Bearing support Arcap AP1D
Sensor PPO Noryl GFN3
O-ring NBR
Knurled swivel nut* PA GF 30
* not coming into contact with the medium
swiviel nut
G3/4
Flat gasket
18,5 x 24 x 2
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