G1.6/G2.5/G4 Gas Meters (Steel cases)


G2.5

G1.6/G2.5/G4 Domestic Gas Meters (Steel cases) are the diaphragm volumetric meters. They have accurate measurement, high sensitivity, stable performance, reliable safety and long service life, and needn't repair in the use period. Their technical performance complies with the national standard GB/T6968-97 (class B) and OIML-R31.They are suitable for metering accumulative consumption of manufactured, natural and liquefied petroleum gases, methane etc.

I. Characteristics:

1. Polyformaldehyde integrative measuring chamber with corrosion resistance and long service life;
2. Rotary valve bonnet, high sensitivity, and accurate measurement;
3. Special phenolic plastics valve with small resistance, few deformation and metering reliability;
4. Electrostatic powder painting with strong adhesive;
5. Built-in back-stop system.

II. Dimension:

    
         G2.5(The size of is G4)

III.Technical date:

                              Type
Specs
G1.6
G2.5
G4
Max. Flow Rate              Qmax m3/h
2.5
4
6
Min. Flow Rate              Qmin m3/h
0.016
0.025
0.04
Operating Pressure
0.5-30KPa
Measure. Error 0.1Qmax≤Q≤Qmax
±1.5%
Qmin≤Q<0.1Qmax
±3%
Max Presure Loss
≤200Pa
Center Dis. For Connection
130mm
Cyclic Volume                V dm3/r
1.2
2
Connection Thread
M30×2
Max Reading               
99999.999m3
Operating Temperature
-20℃~+55℃
Weight                     
2.4kg
2.6kg
Service Life
≥10years

IV. Characteristic curve: