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Electromagnetic flowmeter installation
Electromagnetic flowmeter installation, electromagnetic flowmeter installation of accurate measurement of the electrical level of the center line must be infinitely close to the horizontal azimuth, accurate measurement of the pipe to be completely filled with liquid.There should be at least 5D (D is the nominal diameter of the flowmeter) in the front of the flowmeter, and at least 3D in the rear of the flowmeter.If there is a vacuum pump in the pipeline, it will damage the lining of the flowmeter.There should be no magnetic field around the flowmeter and sufficient indoor space for easy installation and maintenance.For accurate measurement of vibration in the pipeline, there should be fixed rubber bearings on both sides of the meter.For accurate measurement of mixed liquids of different substances, the distance between the mixing point and the flowmeter should be less than 30D (D is the nominal diameter of the flowmeter).In order to facilitate the cleaning and maintenance of the flowmeter in the future, the bypass valve pipeline shall be installed.Install the flow timing of ptfe lining, and pay attention to the symmetrical tightening of the anchor bolts connecting 2 flanges, otherwise it is easy to crush ptfe lining, use torque wrench.
Electromagnetic flowmeter installation
1, should be installed in the lower level of the pipeline and vertical up, to prevent installation in the pipeline higher and vertical down
2. It shall be installed at the elevated part of the pipeline
3. The installation of sewage pipeline in zhangkou shall be installed at the lower part of the pipeline
4. If the pipe undulations exceed 5m, install the automatic exhaust valve on the middle and lower reaches of the controller
5. Pressure regulating valve and emergency cut-off valve should be installed in the middle and downstream of the controller, but not in the upstream and downstream of the controller
6. The controller shall not be installed on the feeding side of the pump, but on the inlet and outlet of the pump
7. Method of installing flowmeter in precise measuring tank
Common problems
1.Electromagnetic flowmeters should be installed to avoid room temperature fluctuations or suffer from high temperature operating radiation of mechanical equipment, if it must be installed, there must be heat insulation, indoor ventilation measures;
2.The most suitable choice of electromagnetic flowmeter is installed in the room, if it must be installed in the outdoor, should avoid precipitation pouring, storage water flooded and natural light exposure, must have moisture-proof waterproof and sunscreen measures;
3.Electromagnetic flowmeter should avoid installation in the ring mirror with the etched cavitation, be sure to install, must have indoor ventilation measures;
4.In order to install, repair and maintain, maintenance is convenient and quick, in the side of the flowmeter needs plenty of indoor space installation;
5.Electromagnetic flowmeter installation place should avoid the occurrence of electromagnetic field and strong vibration source, such as the pipeline vibration is large, the two sides of the flowmeter should be fixed fixed pipeline rubber support.
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