Several kinds of electromagnetic flow meter scale installation requirements

Abstract: several kinds of electromagnetic flow meter scale installation requirements information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Weinan and shunda meter manufacturers technology small make up today to explain, several kinds of electromagnetic flowmeter in the installation requirements, hope to provide help to future use. 1. 1 external environmental requirements. 1. Flowmeter installation should be avoided in the temperature change. More flow meter manufacturers choose model price quote you are welcome to inquire, here are several kinds of electromagnetic flow meter scale installation requirements article details. Flow meter manufacturer technology today small make up to you explain, several kinds of electromagnetic flowmeter in the installation requirements, hope to provide help to future use. 1. 1 external environmental requirements. 1. Meter should avoid installed in high temperature radiation temperature changes a lot, or by equipment, if must be installed, must be backed by a heat insulation, ventilation measures. 1. 2. Flowmeter zui good installation indoors, if must be installed in the outdoor, should avoid the rain pouring, water flooded and the sun insolates, must have moistureproof and sun protection. 1. 3. Flowmeter installation should be avoided in the containing corrosive gas environment, must be installed, ventilation measures shall be required. 1. 4. In order to convenient installation, maintenance, maintenance, around the flow meter need to have ample installation space. 1. 5. Flowmeter installation site should avoid to have a strong magnetic field and the vibration source, such as the pipeline vibration, bearing of the pipeline in flow meter should be fixed on both sides. 2. 2 pipeline electromagnetic flowmeter. 1. Requirements for straight section in order to improve the eddy current and the influence to the distortion of the flow field, flow meter installed length of straight pipe before and after have certain requirements, otherwise it will affect the accuracy of measurement, Also can install rectifier, avoid close to the regulator and the half open valve after installation) 。 2. 2. The requirement of process pipe flowmeter tube of upstream or downstream of the installation points technology has certain requirements, otherwise affect measurement accuracy. 一个。 Upstream or downstream process pipe diameter is the same as the inner diameter of the sensor, and should satisfy: 0. 98 dn≤ D≤ 1. 05DN( Type in the DN: sensor inside diameter, D: process pipe diameter) b。 Technology of tube and sensor must be concentric, coaxial deviation should be no greater than zero. 05DN2. 3. Requirements of by-pass pipe in order to facilitate maintenance flowmeter, zui install bypass pipe for flow meter, in addition, the polluting fluid and flow meter should be clear and the fluid can't stop, you must install by-pass pipe. 一个。 The convenience of maintenance b flowmeter. For polluting fluid must be installed c. Fluid needs cleaning 3 can't stop the flowmeter. 3 plug-in electromagnetic flowmeter installation requirements. 1. Requirement for straight pipe straight pipe inlet/outlet: entrance should & ge; 10DN; Should export & ge; 5DN3. 2. Docking site requirements in order to make the instrument and reliable work, improve the measurement precision, interference from external parasitic potential/sensor should have a good grounding, grounding resistance less than 10. ( If the metal pipe ground well, do not need to set up the grounding device) 。 3. 3 insertion electromagnetic flowmeter to installation position requirement according to the field line situation is different, is not equipped with ball valve of the flowmeter, should be on the way without overwhelming pipe installation ( Namely install without pressure but choose not to add ball valve flow meter) , open hole in the pipe diameter 50, prepared to connect welded pipe welding on the pipe opening; For loading and unloading or medium are not allowed to overflow the requirement does not block the occasions, must be equipped with ball valve, namely choose plug-in electromagnetic flowmeter with ball valve structure; Open hole in the pipe diameter of 50, prepared to connect welded pipe welding on the opening of the pipeline. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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