Hot Water Flow Meter

Fluid entering the meter first passes through an inlet flow straightener that reduces its turbulent flow pattern. Fluid then passes through the turbine, causing the turbine to rotate at a speed proportional to fluid velocity. As each turbine blade passes through the magnetic field generated by the meter’s magnetic pickup, an AC voltage pulse is generated. These pulses provide an output frequency that is proportional to volumetric flow.

    Pipe Inch Size

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    • Output: Pulse/4-20mA;
    • Accuracy:±1.0 of Rate/±0.5% of Rate;
    • Operating Temp.:-20…+60°C;
    • Fluid Temp.: -20…+150°C;
    • Housing Material: SS304/SS316;
    • Rotor Material: 2Cr13/CD4MCu;
    • Bearing Material: Tungsten  Carbide.

    Flow Range



    Standard Range


    Extended Range


    4 0.04~0.25 0.04~0.4
    6 0.1~0.6 0.06~0.6
    10 0.2~1.2 0.15~1.5
    15 0.6~6 0.4~8
    20 0.8~8 0.45~9
    25 1~10 0.5~10
    32 1.5~15 0.8~15
    40 2~20 1~20
    50 4~40 2~40
    65 7~70 4~70
    80 10~100 5~100
    100 20~200 10~200
    125 25~250 13~250
    150 30~300 15~300
    200 80~800 40~800

    Model Selection

    Model LWGY Description
    Diameter XXX DN4-DN200
    Converter Type N1 24V DC; Pulse output; No display
    N2 24V DC; Pulse output;No display; Ex
    A 24V DC; 4-20 mA output; Nodisplay; Ex
    E1 Battery power supply; No output; Ex; Digital Display
    E2 24V DC; 2-wire 4-20mA output;Ex; Digital Display
    E3 24V DC; Pulse output; Ex;Display
    E4 24V DC; 0-20mA output; EX; Digital display
    E5 24V DC; 3-wire 4-20mA / Pulse output; EX; Digital display
    M 220Vac; 4-20mA output; EX; Digital display
    FE FE:Fluidwell E series converter
    FF FF:Fluidwell F series converter
    Notice: 1)Modbus RS485 is optional for E2,E3,E4,E5 and M type
    2)Dual Power(24VDC+Battery) is optional for E2,E3,E4,E5,M
    Accuracy 10 ±1.0% of Rate
    05 ±0.5% of Rate
    02 ±0.2% of Rate
    Flow Range S Standard Range
    E Extended Range
    Body Material S4 SS304
    S6 SS316
    PL Plastic (DN15-DN50)
    Rotor Material Cr 2Cr13
    CD CD4MCu
    Explosion Proof BT Exd II BT6
    NA No explosion proof
    Connection THM Male thread; Available from DN4 … DN50
    THF Female thread; Available from DN4 … DN50
    WAF Wafer connection
    DXX D16: DIN PN16 flange;D25: DIN PN25…
    AXX A15: ANSI 150# flange;A30: ANSI 300#…
    JXX J10: JIS 10K flange;J20: JIS 20K…
    Temperature T1 -20…+80 °C
    T2 -20…+120 °C
    T3 -20…+150 °C

    Download Data Sheet


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