Flow meter installation, flowmeter installation diagram and installation details

Flow meter installation, flow meter is to measure the flow of liquid, gas flow indispensable meters, we must have seen many different types of flow meters.The correct installation method is very important to the flowmeter, today small series for you to introduce several common flowmeter installation requirements.

Flow sensors are installed in places with poor velocity distribution profile.An undesirable phase exists in the lead pipe connected to the differential pressure device;Installed in a hazardous environment or inaccessible location;The instrument is in the wrong direction of flow;The slope of pressure line of differential pressure instrument is not correct;Instrument or electrical signal transmission line under strong electromagnetic field;Install the meter susceptible to vibration interference in the vibrating pipe;Lack of necessary protective accessories.Installation considerations include: installation direction, flow direction, upstream and downstream pipeline condition, valve position, protective accessories, pulsating flow influence, vibration, electrical interference and maintenance space.

Some flow meters work intelligently in the direction of flow, and reverse flow can damage the meter.Use of this type of meter should also be noted for the possibility of reverse flow under operating conditions. If this is possible, check valves should be installed to protect the meter.For instruments that can work in both directions, there may be some differences in measurement performance between the positive and negative directions.Most flow meters are marked with the direction of flow, and the manufacturer verifies their performance in this direction. Instruments that can be measured in both directions must be checked in both directions.

Some meters need to be equipped with protective equipment to ensure their normal operation.For example, positive displacement flowmeters and turbine flowmeters generally have filters installed upstream;Some use places to install the pipeline is not full of detector;To prevent condensation of liquid or gas in the pipeline, track the heater.A further extension of this type of accessory may include a lightning arrester and a backup battery system.

conclusion

Through the introduction of the above flowmeter, the installation method of the flowmeter under common working conditions has been relatively clear, for the installation of the flowmeter under complex working conditions also need specific analysis, the accumulation of rich experience is the most important link to solve the problem oh.

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