VZFA/VZOA Technical Data
CONTOIL® VZFA / VZOA 15...50
products for special requirements/application
For application requiring an increased accuracy of
± 0.5 % or better, as i.e.:

  • VZFA: Electronic display with pulse output and
    4~20 mA output for flowrate


  • VZOA: Volume display on roller register


  • Measurement of heating fuel EL or diesel in testing facilities


  • Differential measurement


  • Custody transfer with legal verification
    •
    Type VZFA/
    VZOA
    15    		 VZFA/
    VZOA
    20    		 VZFA/
    VZOA
    25    		 VZFA/
    VZOA
    40    		 VZFA/
    VZOA
    50
    Nominal diameter, DN mm 15 20 25 40 50
    Nominal Pressure, PN bar 16 with threaded ends ; 25 with flanges
    Maximum temperature °C 130 , 180
    Maximum flow rate
    Nominal flow rate
    Minimal flow rate     		l/h
    l/h
    l/h
         		600
    400
    10    		 1,500
    1,000
    30    		 3,000
    2,000
    75     		9,000
    6,000
    225     		30,000
    20,000
    750
    Max. permissable error   < 0.5 % of actual value
    Weight with thread ends approx. kg 2.2 2.5 4.2 17.3 -
    Weight with flanges PN 25 approx. kg 3.8 4.5 7.5 20.3 41.0
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