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Aquametro, CONTOIL VZO 4 & VZO 8 Mechanical, Domestic Oil Flow Meters
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Aqua Metro CONTOIL VZO4 & VZO8


Oil flow meters, cubic type with mechanical roller counter

Not approved for resale use

Reed Pulser versions also available if required, please be careful to select the correct part number that you require from the options listed below

IMPORTANT - All meters must be fitted with a pre-filter of 100 Microns, Maximum. Ingress of particles over 100 microns may lead to wear and or jamming of the Rotary Piston, and will not be covered by Warranty

Meters are supplied as standard with BSP Female threaded ports, pointing downwards from the underside of the meter. We can supply two types of fitting, Straight compression fittings, or 90Degree Compression Fittings. 90 Degree Fittings enable pipes to enter the fittings horizontally

Shown below, optional remote dispaly for VZO 4 RE0.1: this can be found HERE

Suitable for Fuel Types;

  • Heating Fuel, Extra Light / Light / Medium
  • Kerosene
  • Naphtha
  • Diesel
  • Petrol
  • Lubricating Oils

Your Benefits

  • Space saving installation without requirement of straight inlet and outlet paths
  • Easy to install without restriction either horizontally or vertically
  • High operational safety due to integral safety filter in the meter inlet
  • Lower installation costs due to integrated mounting bracket
Standard Specification (Non Pulsed)
 VZO 4 Qmin 0.5VZO 4VZO 8
Connection Threads1/8" BSP Female1/8" BSP Female1/4" BSP Female
Nominal Pressure25 Bar25 Bar25 Bar
Minimum Temperature-10 Celcius-10 Celcius-10 Celcius
Maximum Temperature+60 Celcius+60 Celcius+60 Celcius
Maximum Flow RateTBC80 lph200 lph
Continuous Flow Rate40 lph50 lph135 lph
Minimum Flow Rate0.5 lph1 lph4 lph
Approximate Starting Flowrate0.4 lph0.4 lph1.6 lph
Maximum Permissible Error±1% of reading±1% of reading±1% of reading
Smallest Readable Amount0.001 Litres0.001 Litres0.01 Litres
Registration Capacity100,000 Litres100,000 Litres1,000,000 Litres
Safety Filter Mesh Size125 Micron125 Micron150 Micron
Dirt Filter Mesh Size80 Micron80 Micron100 Micron
Volume of Measuring Chamber5 cm35 cm312.5cm3
Ingress ProtectionIP50IP50IP50
Dimensions & Weight
 VZO 4 & VZO 8 Qmin 0.5VZO 8
Width68 mm68mm
Depth68 mm68mm
Weight Without Couplings650 g750 g
Aqua Metro Model Numbers
DisplayPulser TypeLitres Per PulsePulses Per LitrePart Number VZO 4Part Number VZO 8
Local Display---VZO 4VZO 8
Local Display---VZO 4 Qmin 0.5-
Local DisplayReed Switch0.00125800VZO 4 RE0,00125-
Local DisplayReed Switch0.00311321.5434-VZO 8 RE0,00311
Local DisplayReed Switch0.110VZO 4 RE0,1-
Local DisplayReed Switch1.01.0-VZO 8 RE1
Aqua Metro Part Numbers
DisplayPulser TypeLitres Per PulsePulses Per LitrePart Number VZO 4Part Number VZO 8
Local Display---9268092630
Local Display Qmin 0.5---92678-
Local DisplayReed Switch0.0012580089763-
Local DisplayReed Switch0.00311321.5434-89733
Local DisplayReed Switch0.11089761-
Local DisplayReed Switch1.01.0-89731

Shown Below, VZO 4 RE (VZO 4, with pulse module, available in either 10 or 800 PPL):

Download Aqua Metro Mechanical Domestic Oil Meters PDFDownload Aqua Metro Mechanical Domestic Oil Meters PDF

Product Options


Product CodeAQUI198

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