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Gas meter principle
- Aug 18, 2017 -

The gas meter is a flow measuring instrument used to accumulate the total volume of the gases in the pipeline. The table has two metering boxes, each containing a certain volume of skins made of dipped sheepskin or synthetic rubber. When the gas flows, the vessel expansion meter

, thus changing the volume between the vessel and the metering box, while changing the position of the slide valve. When the left slide valve moves right, a room inlet, B-chamber exhaust, right sliding valve in the middle, C and D room to stop the exhaust. After the intake of room A, left sliding valve left to the middle, right sliding valve left, at this time D room intake, C-room exhaust, A and B-room to stop the exhaust. Then left sliding valve left again, right sliding valve moved to the middle, at this time B room intake, a room exhaust, C and D room to stop the exhaust. Then the left slide valve moves to the middle, right slide valve moves right, at this time C room inlet gas, D room Exhaust, A and B room stop into the exhaust. In this way, a cycle of two of the volume of gas metering box, while the crank swing once, driving gear rotation, gear rotation driven counter. The reading of the counter is the volume of the gas discharged.