Installation and use of glass rotor flow meter1

Abstract: The installation and use information of the glass rotor flowmeter is provided by the excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Glass rotameter is the most widely used type of flowmeter in industry, petroleum, chemical industry, environmental protection and other industries. There are so many types of flowmeters. Why is glass rotameter the most popular and popular because of its characteristics: pressure Small loss, sex. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the installation and use of glass rotor flowmeters. Glass rotameter is the most widely used type of flowmeter in industry, petroleum, chemical industry, environmental protection and other industries. There are so many types of flowmeters. Why is glass rotameter the most popular and popular because of its characteristics: pressure The loss is small, the performance is reliable, the structure is simple, the installation and use are convenient, and the price is cheap. Glass rotameter can be divided into a variety of small varieties of flowmeter, ordinary glass rotameter, corrosion-resistant glass rotameter, micro-flow glass rotameter, selection is a very important step, but choose a good product Model, how to install it correctly, how to use it correctly, this is an important link. Installation of LZB/LZJ series glass rotor flowmeter 1. Before installing the flowmeter, carefully check whether the sharp edge (reading edge) of the float is damaged or not. For the flowmeter with guide rod, take out the filler that prevents the float from jumping during transportation, and check Whether the float can slide freely on the guide rod. The filling of Fenghui instrument is generally based on packing tape, and it is very convenient to take out the filling. 2. Install the glass rotameter vertically, the flowmeter should be installed in a vertical position and have a reliable support, and cannot be subjected to any tension and pressure from the pipeline. When installing a new pipeline, install the flowmeter after flushing the pipeline. The fluid to be measured enters and exits from the lower end of the flowmeter. Fenghui Instrument Tip: Do not use any flowmeter in your hand! 3. The inlet end of the flow meter should have a straight pipe section 5-10 times the nominal diameter. It is recommended to install bypass piping next to the flowmeter. 4. Large particles of dirt should not be mixed in the measured fluid, otherwise the float will be stuck or the flowmeter passage will be blocked. This kind of filter needs to be installed upstream of the flowmeter. 5. The pressure of the fluid to be measured must be stable. Unstable fluid pressure will cause the float to fluctuate and cannot be measured accurately. A buffer and a valuer should be installed upstream of the flowmeter. 6. If there is back flow in the pipeline, in order to prevent damage to the flowmeter, a one-way check valve should be installed after the flowmeter downstream valve. 7. The liquid to be tested cannot contain air bubbles. If there are air bubbles, an exhaust port must be set upstream of the flow meter. Correct use of LZB/LZJ series glass rotor flowmeter 1. Open the upstream valve of the flowmeter and open it slowly. In order to prevent the float from suddenly rushing up and damaging the glass tube, then use the downstream regulating valve to adjust the flowmeter. When stopping work, you should first Close the upstream valve, then close the downstream valve. Fenghui Instruments recommends: wrap a metal mesh around the flowmeter to enhance safety protection. 2. The temperature of the fluid to be measured should not change rapidly. After all, it is a glass tube. The alternating thermal expansion and contraction of cold and heat may cause the glass tube of the flowmeter to rupture. 3. If the flowmeter is found to be leaking during use, it is generally because the sealing ring has failed and needs to be replaced. 4. When the cone tube and the float are stained, they should be cleaned in time. 5. Regularly check the measurement error of the flowmeter. Generally, the flowmeter has its own accuracy standard with a small error range. Once it is found that the specified error is exceeded, the float and the cone should be replaced, or the scale should be re-calibrated. 6. When the fluid to be measured changes and the temperature and pressure of the fluid to be changed are inconsistent with the scale on the flowmeter, the indication value must be corrected according to the fluid and state to be measured (including temperature, pressure, density, etc.) Get the right flow. 7. LZB-()F/LZJ-()F corrosion-resistant series flowmeters should be used for measuring corrosive fluids. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Installation and use of glass rotor flow meter'

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