Wax-type gas meter FMJ2.5C

BK pulse meter G10


FMJC type gas meter adopts French high quality rubber diaphragm, it is suitable for domestic measuring flowrate of natural gas, town gas and L.P.G. etc.


The diaphragm of this type gas meter adopts new ECO rubber material, it has stronger corrosion resistance against medium and better flexibility than ordinary diaphragm which adopts butadiene-acrylonitrile rubber, it is possessed of better elasticity and the gas meter’s measuring accuracy and durability is improved.

Item Unit Parameter
Nominal flow-rate(Qn) m³/h 2.5
Maximum flow-rate(Qmax) m³/h 4
Minimum flow-rate(Qmin) m³/h 0.025
Working pressure range kPa 0.5-30
Average value of total pressure loss Pa ≤200
Permissble error Qmin ≤Q0.1Qmax % ±3
0.1Qmax≤Q≤Qmax % ±1.5
Max cumulative reading figures 9999
Weight kg 1.8
Meter fittings joint threading   M30×2
Meter fittings central distance mm 130
endurance h 5000



A(mm) B(mm) C(mm) D(mm E(mm) M(mm) 重量(kg)
130 201 225 165 68.3 G2″ 1.8



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