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TGV307


TGV307 is a non- electric multifunctional combination gas control with mechanical modulation and on-off therm ostat for tem perature re gulati on of gas firedheating applianoes, widely used for do mesticspace heaters, water heaters and catering equipments.
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Gas Control Valve


  • Product Description
    • Commodity name: TGV307

    TGV307 is a non- electric multifunctional combination gas control with mechanical modulation and on-off therm ostat for tem perature re gulati on of gas firedheating applianoes, widely used for do mesticspace heaters, water heaters and catering equipments.

     

     

    Function

    TGV307 is a non- electric multifunctional combination gas control with mechanical modulation and on-off therm ostat for tem perature re gulati on of gas firedheating applianoes, widely used for do mesticspace heaters, water heaters and catering equipments.

     

    Technical data

    • Main gas connection: G3/8"
    • Usage gas: Allgas
    • Max gas inlet pressure: 50mbar
    • Outletpressure setting range: 3~ 18mbar
    • Working temp erature range.0~ 80℃
    • Pressure regulator(optional): class C
    • Flame supervision device:
       lgnition time: < 10s
       shut- off time: <60s
       life: 10,000
    • Manual shut-off device: life: 10, 000

     

    Main characteristics
    ●Control knob with positions for off, pilotand temp. selection(MS)
    ●Therm oelectric flame supervision device withre-start int erlock( GM)
    ●Maximum gas flow adjustment(RQ)
    ●Press ure re gulator(PR)
    ●Min (by pass) flow adjustment
    ●Modulating therm ostat with additional on-off function(TH)
    ●Pilot outlet withpre-settingdevice of the gas flow(RQ)
    ●Inlet and pilot fIter(FL )
    ●Inlet and outlet pressure test points
    ●lateral or bottom main gas inlet and outlet
    ●Main gas connectio ns withthre aded pipe or nut andolive 

     

    Working diagram

    1

     

    Dimensions ( mm )

    1

    Themostat range (℃) 8~33 13~31 13~38 13~43 13~48  21~46 30~100 40~72 40~90
    Thermostat diameter 8 8 8 8 8 8 5 8 8
    Thermostat length 125 155 120 155 98 120 122 90 90

     

    Thermostat regulation specifications

    The regulation specifications of the modulating them ostat with on-off function are shown in following drawing and table.

     

    The re qulation ange

    1
      a b c
    8~33℃ 3 3 2
    13~31℃ 2 2 2
    13~38℃ 3 3 2
    13~43℃ 3 3 3
    13~48℃ 4 4 3
    21~46℃ 3 3 2
    30~100℃ 9 9 5
    40~72℃ 5 5 3
    40~90℃ 5 5 3

    Other ranges are available on reauest

     
    Gas flow 
    1
    Gas families Q △P
    1st(d=0.45) 3.0m³/h 5m bar
    2st(d=0.55) 2.7m³/h 5m bar
    3st(d=1.55) 1.6m³/h 5m bar

    regulated flow Q ( 15℃ 1013 25mbar) as a function of the pressure drop △P between inlet and outlet with knob in position 7 and cold bulb .

     

    1
    Curve No Gas type  Inlet pressure range
    Nominale Max. Min.
    1 H 18 23 15
    2 H 20 25 18
    L 20 25 18
    3 L 25 30 20

    regulated flow Q ( 15℃ 1013 25mbar) as a function of the pressure drop △P between inlet and outlet with knob in position 7 and cold bulb .

    Keywords:
    • Gas Control Valve

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