China OEM Diaphragm Gas Meter Factories –GA Aluminum Case Diaphragm Gas Meter – HolleyDetail:
STANDARD
> Comply with international standard EN1359,OIML R137 and MID2014/32/EU.
> Approved by ATEX II 2G Ex ib IIA T3 Gb (Ta = -20℃ to +60℃)
MATERIALS
> Housing made through die-casting of ADC12 aluminum alley.
> Diaphragm made of synthetic rubber with long life and temperature resistant.
> Valve and valve seat made of advanced PF synthetic resin.
ADVANTAGES
> Long life>10years.
> Anti-tamper proof.
> AMR/AMI compatibility.
> Seven-step leakage testing.
> Pressure Test Nipple optional.
> Magnetic or mechanical drivding optional.
> Galvanized connection Anti-Corrosion.
SPECIFICATION
ITEM MODEL | G1.6 | G2.5 | G4 |
Nominal Flow Rate | 1.6m³/h | 2.5m³/h | 4m³/h |
Max. Flow Rate | 2.5m³/h | 4m³/h | 6m³/h |
Min. Flow Rate | 0.016m³/h | 0.025m³/h | 0.040m³/h |
Total Pressure Lose | ≤200Pa | ||
Operation Pressure Range | 0.5~100kPa | ||
Cyclic Volume | 1.2dm³ | ||
Permissible Error | Qmin≤Q<0.1Qmax | ±3% | |
0.1Qmax≤Q≤Qmax | ±1.5% | ||
Min. Recording Reading | 0.2dm³ | ||
Max. Recording Reading | 99999.999m³ | ||
Operation Ambient Temperature | -10~+55℃ | ||
Storage Temperature | -20~+60℃ | ||
Service Life | More than10 years | ||
Connection Thread | M30 or Customized |
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