NIAGARA WATER METER – Model MJWM

Mechanical water meter designed for accurate cold water measurement, offering high reliability, stable performance, and optional pulse output for monitoring and control systems.

Technical Data
DN(mm) 15, 20, 25, 32, 40, 50
Max Pressure (Bar) 16 bar
Max.Temperature T = 50° / 90°C
Pressure Loss (ΔP) 63
Pulse Output Option Lmax=100mA, Pmax=2W, Vmax=24V
Qmax(l/h) 12000, 20000, 3000, 30000, 5000, 7000
Size(inch) 1", 1/2", 11/2", 11/4", 2", 3/4"
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Description

This water meter is designed for accurate measurement of water flow, with all wetted parts carefully selected to provide high corrosion resistance and long service life. The standard operating temperature for cold water meters is below 30°C (T30), while the MJWM model can safely operate at water temperatures up to 50°C (T50).

The roller is equipped with a special liquid seal that prevents direct contact with water, ensuring clear and stable readings under all operating conditions. The impeller is the only moving part in contact with water, enhancing reliability and minimizing wear. A robust mechanical transmission mechanism ensures extremely high reliability and consistent performance.

An additional inlet filter is integrated at the meter inlet, allowing easy cleaning without disturbing the metering seal. An optional check valve is available to prevent excessive flow.

Technical Specifications:

  • DN (mm): 15 / 20 / 25 / 32 / 40 / 50

  • Size (inch): 1/2″ / 3/4″ / 1″ / 1 1/4″ / 1 1/2″ / 2″

  • Max. Pressure: 16 bar

  • Pressure Loss (ΔP): 63

  • Max. Temperature: T = 50° / 90°C

  • Pulse Output Option:

    • Vmax: 24V

    • Imax: 100mA

    • Pmax: 2W

  • Qmax (l/h): 3000 / 5000 / 7000 / 12000 / 20000 / 30000

Additional information

DN(mm)

15, 20, 25, 32, 40, 50

Size(inch)

1", 1/2", 11/2", 11/4", 2", 3/4"

Max Pressure (Bar)

16 bar

Pressure Loss (ΔP)

63

Max.Temperature

T = 50° / 90°C

Pulse Output Option

Lmax=100mA, Pmax=2W, Vmax=24V

Qmax(l/h)

12000, 20000, 3000, 30000, 5000, 7000

Overview

This water meter is designed for accurate measurement of water flow, with all wetted parts carefully selected to provide high corrosion resistance and long service life. The standard operating temperature for cold water meters is below 30°C (T30), while the MJWM model can safely operate at water temperatures up to 50°C (T50).

The roller is equipped with a special liquid seal that prevents direct contact with water, ensuring clear and stable readings under all operating conditions. The impeller is the only moving part in contact with water, enhancing reliability and minimizing wear. A robust mechanical transmission mechanism ensures extremely high reliability and consistent performance.

An additional inlet filter is integrated at the meter inlet, allowing easy cleaning without disturbing the metering seal. An optional check valve is available to prevent excessive flow.

Technical Specifications:

  • DN (mm): 15 / 20 / 25 / 32 / 40 / 50

  • Size (inch): 1/2″ / 3/4″ / 1″ / 1 1/4″ / 1 1/2″ / 2″

  • Max. Pressure: 16 bar

  • Pressure Loss (ΔP): 63

  • Max. Temperature: T = 50° / 90°C

  • Pulse Output Option:

    • Vmax: 24V

    • Imax: 100mA

    • Pmax: 2W

  • Qmax (l/h): 3000 / 5000 / 7000 / 12000 / 20000 / 30000

Details

specifications
DN(mm) 15, 20, 25, 32, 40, 50
Max Pressure (Bar) 16 bar
Max.Temperature T = 50° / 90°C
Pressure Loss (ΔP) 63
Pulse Output Option Lmax=100mA, Pmax=2W, Vmax=24V
Qmax(l/h) 12000, 20000, 3000, 30000, 5000, 7000
Size(inch) 1", 1/2", 11/2", 11/4", 2", 3/4"

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