Precautions for the use of waist wheel flow meter

Abstract: The information on the precautions for the use of waist wheel flowmeters is provided by the excellent flowmeter and flowmeter manufacturers and quotation manufacturers. During the trial operation and normal operation, the following issues should be paid attention to when using the waist wheel flowmeter: 1. Trial operation The newly designed or re-installed waist wheel flowmeter should be checked for trial operation after the installation and inspection are correct. The trial operation should be carried out according to the following procedure. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the details of the article on the precautions for the use of waist wheel flowmeters. In the trial operation and normal operation, the use of the waist wheel flowmeter should pay attention to the following problems: 1. The newly selected or re-installed waist wheel flowmeter should be tested for trial operation. After the installation and inspection are correct, the trial operation should be checked. Trial operation should be carried out according to the following procedures. (1) Close the valves (on-off valve and regulating valve) before and after the flowmeter, slowly open the bypass valve, let the fluid flow through the bypass valve, flush the residual debris in the pipeline and balance the pressure at the inlet and outlet of the flowmeter. If there is no bypass pipeline, a short tube can be installed in the pipeline instead of the flowmeter to allow the fluid to pass through. After the pipeline is cleaned, remove the short tube and replace it with the flowmeter. (2) Start the flowmeter to work. For the intelligent flowmeter with remote transmission of electrical signals, first connect the signal line and power line, and then turn on the power to make the meter work normally. Then, slowly open the on-off valve in front of the flow meter, then slowly open the regulating valve behind the flow meter, and finally slowly close the bypass valve. Use the regulating valve at the outlet of the flowmeter to adjust the flow so that the flowmeter works under normal flow. (3) If the temperature of the fluid to be measured is very high and the temperature difference with the ambient temperature is large, the metering system should be preheated before the flowmeter is operated, so that the flowmeter and the pipeline system are slowly heated up to ensure the normal operation of the flowmeter. . (4) Observe and record the changes of various operating parameters, such as temperature, pressure, etc. The system should be free of large vibration, noise and leakage. After a period of stable operation, the trial operation ends. 2. Normal operation After the measurement system of the waist wheel flowmeter is put into operation after normal trial operation, the operator should do a good job in the use and maintenance work from the following aspects: (1) During operation, pay attention to the flow, temperature, pressure and other parameters of the measured medium Whether it conforms to the range of use of the flowmeter. If the deviation is large, the cause should be identified and a solution should be considered. (2) The work of starting and closing the flowmeter should still be carried out in the order of the test run. Generally, strict operating procedures and specifications should be formulated, including the use specifications of the flowmeter, the operation rules and verification cycle of the flowmeter inspection, the flowmeter fault handling procedure, the activation regulations of the standby flowmeter, and the seal of the flowmeter and the bypass valve, etc. (3) Regularly inspect, maintain and inspect the entire metering system. The content includes flowmeters, valves and piping systems, ancillary equipment such as filters, measuring instruments such as thermometers, pressure gauges and density meters, protective equipment such as safety valves, restrictor valves and alarms, as well as flow display instruments, recording devices, compensation Flow aids such as devices. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Precautions for the use of waist wheel flow meter'

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