Proportional Flow Controller High & Low Flow – PRF Series

The TecnAir PRF Series proportional flow control valves are characterised by high performance, accuracy, linearisation, stability and provide an operationally safe design. Pneumatic control is effected via a microprocessor in which the desired control signal is specified as an analog or digital signal. A DP sensor (PE converter) measures differential pressure at an orifice gauge and sends a permanent signal as an actual value to the electronics for comparison. The latter then actuates a proportional solenoid valve to achieve a very fast, precise and proportional flow linearised with the control signal.

 

Technical Data
Model PRF020 PRF100
Port Size G1/8” G3/8”
Voltage 24 VDC ±10% 24 VDC ±10%
Electrical Power Consuption 12.5 W (max) 24.5 W (max)
Pressure Supply 8 bar max 8 bar max
Weight 0.75kg 0.75kg
Operating Temperature -5° > +70°C -5° > +70°C
Electrical Connection Cable Gland (various connectors available upon request)
Medium Compressed Air & Neutral Gases (with or without lubrication)
Filtration 50 μm Minimum Filtration
IP Rating IP 67
Hysteresis <1% of Corresponding Range
Repeatability <0.5% of Corresponding Range

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Flow Data
Model
Port Size
Flow Data
PRF020 G1/8” freely flowing off 0-500 I/min at 6 bar
PRF100 G3/8” 0-2000 I/min at 6 bar
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