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G2.5, G4, G6, G10 Ex
Rotary
Gas Meters

Rotary Gas meters РЛ are designed to measure the volume flow rate natural and other non aggressive gases during the commercial metering of gas consumption facilities.

Gas meters maintainable, work with untreated gases and do not need additional mounting systems.

The service life of the meters, taking into account maintenance, is not less than 20 years.

The mode of operation can be both continuous and intermittent.

Counting mechanism capacity is 99999,999 m3.

Least division value of counting mechanism is 0,001 m3.

Measured gas:
Air Shale
Natural Blast
Illuminating Generator

Model

Parameter

G2,5 G4 G6 G10
Nominal flow rate, m3/hour 2,5 4 6 10
Maximal flow rate, m3/hour 4 6 10 16
Qmin in a ratio Qmin/Qmax= 1/50 0,06 0,06 0,08 0,3
Sensitivity threshold, m3/hour 0,012 0,016 0,016 0,040
Dimensions, mm 145х
100х98
145х
100х98
145х
100х98
180х
100х98
Diameter of nominal bore of pipe connections, mm 20 20 20 32
Mass, kg 2,0 2,0 2,0 2,3
Material of bodies and rotors Aluminium alloys

Characteristics: Qmin:Qmax
1:100
Minimal flow rate, Qmin, m3/hour 0.16
Nominal flow rate, Qnom, m3/hour 10.0
Maximal flow rate, Qmax, m3/hour 16.0
Limit of admissible relative error,
from Qmax to Qt
from Qt tо Qm
+\- 1.0 +\-2.0
Maximum pressure loss for air density 1.2 kg/m3 at Qmax, Pa 300
Maximum working overpressure, MPa 0.3
Working position horizontal
Output low frequency- “dry contact” type
Operating temperatures range, degrees °С -25…+50
Explosion safety degree 1ExibIIBT4X
Dimensions, mm 165х100х100
Nominal diameter (DN), mm 32
Mass, kg, not more than 3.0