FIELD: measuring equipment.
SUBSTANCE: device comprises a conduit (3) with a sleeve (4) provided with flanges (5) and (6) and a compensator (7) for axial movements inserted between its straight sections (24) and (25). The sleeve (4) is designed to be interchanged with the flowmeter (8). The conduit (3) stop valve contains two shut-off valves (15) and (16) integrated in the conduit (3) on opposite sides of the sleeve (4). At the time of verification and calibration, the transfer sleeve (4) is removed from the bypass conduit (3), intended to bypass the compressor station, the reference flowmeter (8) is installed instead, the gas flow is passed sequentially through the flowmeters (1), (8) and their readings are compared.
EFFECT: simplified verification of the flowmeter built in the gas pipeline.
2 cl, 1 dwg
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