FIELD: machine engineering.
SUBSTANCE: gas flow meter with the built-in gas shut-off valve comprises a body having an inlet for gas and an outlet for gas, a gas flow meter mechanism and a gas shut-off valve comprising a drive unit including an electric motor and a connecting unit. At that the flow meter mechanism and the gas shut-off valve are located on the gas flow path between the gas inlet and the gas outlet. In this case, the gas shut-off valve is made in form of electrically controlled valve with a spherical or cylindrical valve element. In addition, the gas shut-off valve comprises a valve assembly comprising a valve body and a sealing element placed therein. The valve assembly, the drive assembly and the connecting assembly are configured to be attached to each other in a modular manner and separated from each other.
EFFECT: reduction of pressure losses in shut-off valves of the flow meters.
14 cl, 15 dwg
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