Heating and Insulation Guidelines for Differential Pressure Flow Meters

Abstract: Differential pressure flowmeter meter heat tracing and adiabatic guidance information is provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Keywords: Differential pressure flowmeter, field instrument, measurement accuracy We all know that in some environments with harsh field conditions, it is often necessary to protect the measurement pipeline of our field instruments to ensure the measurement accuracy. Introduce everyone here. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the details of the heat tracing and adiabatic guidance articles for differential pressure flowmeters. Keywords: Differential pressure flowmeter, field instrument, measurement accuracy As we all know, in some environments with harsh field conditions, it is often necessary to protect the measurement pipeline of our field instruments to ensure the measurement accuracy. Here is a guide for the correct operation of the instrument's heat tracing and insulation. Take the orifice flowmeter as an example, when measuring some low-temperature media, it is necessary to carry out certain heat tracing measures on the pressure-taking pipeline on site to ensure the measurement accuracy of the differential pressure transmitter. Commonly used in the industry are steam tracing and electric tracing. When using steam tracing, the following requirements should be met: 1. The steam tracing pipeline of the orifice plate flowmeter should adopt a single loop for steam supply and return water, and should not be connected in series. 2. The heat tracing pipeline with heavy heat tracing should be in close contact with the measuring pipeline, and there should be a distance between the light tracing heat tracing pipeline and the measuring pipeline. 3. A liquid drain device should be added to the liquid collection point of the heat tracing pipeline of the orifice plate flowmeter. Fourth, the connection of the heat tracing pipeline should be welded, and it should not be too tight when fixing, and should be able to expand and contract freely. 5. The heat tracing pipelines at the liquid level gauge and isolator should be connected by live joints. When electric heat tracing is used, the following requirements shall be met: 1. Appearance and insulation inspection shall be carried out before the installation of electricity, and the insulation resistance value shall not be less than 1 megohm. 2. The electricity should be laid evenly, and it should be close to the pipeline and fixed firmly. 3. When laying electricity, the insulating layer should not be damaged, and the exposed part of the core wire should be as short as possible. Fourth, the electric heating tube (plate) in the instrument box should be installed on the bottom or rear wall of the box. 5. The temperature adjustment device in the instrument box should be installed on the side box wall. On-site measurement of pipeline heat tracing is a very important part, and many wrong operations will occur because of our assumptions. So here, I hope the above summary can give you a summary. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Guidelines for Heat Tracing and Insulation for Differential Pressure Flow Meters'

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