Water Meters

Water meters measure the cumulative volume of water passed through it in cubic metres of water. They are primarily classed by size and to ensure meter accuracy the flow rate must be within a specific range. The volume of water with vary with the diameter of pipe but with a 1 inch pipe (25mm) the ranges for each class are as follows:

  • Class A – 140 to 350 litres per hour
  • Class B – 70 to 280 litres per hour
  • Class C – 35 to 52 litres per hour
  • Class D – 26 to 40 litres per hour


  • There are 3 types of water meters:
    • Single Jet – water flows directly onto an impeller turbine.
    • Multi Jet – water flows on to multiple points on the impeller turbine and which aid reliability and longevity.
    • Volumetric – also known as positive displacement meters. They measure water volume by splitting the water into set fixed-volume amounts then counting the number to determine the total volume.

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RS-artikelnummer 211-0474
Tillv. art.nrWATM198854
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A 2.5m³/h 100000m³ 3/4 in BSP Male Male 3/4in BSP
RS-artikelnummer 399-5030
Tillv. art.nrGG-L31ASC02B051
VarumärkeAltecnic
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A 15L/h 9999.9m³ 3/4 in BSPP Male Male 3/4in BSPP
RS-artikelnummer 196-9692
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VarumärkeGeorg Fischer
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RS-artikelnummer 399-5046
Tillv. art.nrGG-DALC25P1
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A, B 7m³/h 9999.9m³ 1 in BSPP Male Male 1in BSPP
RS-artikelnummer 196-9690
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VarumärkeGeorg Fischer
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RS-artikelnummer 399-5018
Tillv. art.nrGG-L12ASC02B051
VarumärkeAltecnic
963,74 kr
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A 1.5m³/h 9999.9m³ 1/2 in BSPP Male Male 1/2in BSPP
RS-artikelnummer 211-0496
Tillv. art.nrWATM155804
1 822,07 kr
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C 3.5m³/h 100000m³ 1 in BSP Male Male 1in BSP