N4

The N4 orifice flow meter fulfils the requirements for treatment and disinfection of swimming and bathing pools (DIN 19 643)

It is suitable for flexible installation positions without loss of accuracy. The meter can also be used for flow monitoring if fitted with optional limit contacts.

The image shows the Mecon orifice flow meter for treatment and disinfection of swimming and bathing pools (DIN 19 643)

Areas of application:

The N4 orifice flow meter is used to measure the flow of clear liquids in closed pipelines. Fulfilment of DIN 19 643 makes the flow meter particularly ideal for treating and disinfecting swimming and bathing pools.

The N4 orifice flow meter is used in the following industries:

  • Building services equipment, air conditioning and heating technology
  • Water and wastewater
  • Swimming pool technology

Advantages of the mechanical flow meter:

  • Simple installation
  • Fulfils requirements for treating and disinfecting swimming and bathing pools (DIN 19 643)
  • Direct visualisation of the flow in the bypass
  • Suitable for flexible installation positions without a loss of accuracy
  • Available at short notice

Measuring tube connections:

  • DIN EN 1092-1: DN 25 - DN 400
  • ANSI B16.5: 1" - 16"
Measuring ranges Liquids¹: 0,6 – 1.600 m³/h
Gases²: 12,0 – 18.000 m³/h
Accuracy class ± 2 % of URV
Pressure limits max. 10 bar
Temperature limits 0 °C to +60 °C
Flow directions vertically upwards
horizontally from left to right
horizontally from right to left
vertically downwards
Process connections DIN 2501: DN 25 – DN 400
ANSI B16.5: (1“ – 16“)
Options contact(s)
orifice plate made of stainless steel
orifice plate and bypass made of PP

¹Standard measurement range for liquids (ρ = 1 kg/l, viscosity 1 mPa.s)

² Standard measurement range for gases (Pe = 0 bar pressure, T = 0 °C, ρ = 1,293 kg/m³, v = 0,0181 mPa.s)

  • Provision of tender texts

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