Maintenance Tips for Roots Flow Meters

Abstract: The maintenance secret information of Roots flow meter is provided to you by excellent flow meter and flow meter production and quotation manufacturers. The maintenance of the flowmeter is essential and especially important in our use process. Today, Jiangsu Jinyuan Instrument will introduce to you the maintenance secret of the Roots flowmeter. The main methods mainly include the following methods: 1. The header is required. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the details of the maintenance tips for Roots flowmeters. The maintenance of the flowmeter is essential and especially important in our use process. Today, Jinyuan Instrument will introduce to you the maintenance secret of the Roots flowmeter. The main methods are as follows: 1. The meter must have a certain amount of lubricating oil, and the lubricating oil is generally silicone oil or arsenic oil. 2. Regular inspection should be carried out on time, listening: whether there is noise in operation; see: whether the mechanical counter on the meter is blocked, and whether the record is continuous. 3. The filter should be cleaned once every six months. Whether the filter is blocked is judged from the pressure difference between the inlet and outlet. Generally, the pressure difference exceeding 0.07MPa should be cleaned. 4. The gear transmission part of the meter head should be cleaned, inspected and lubricated every year, and the meter head should be adjusted. 5. The accuracy corrector of the temperature compensator should be checked once a year, and the gear transmission part should be cleaned and lubricated. 6. Use within the specified range of the flowmeter and must not exceed the limit; 20% overload should not exceed 30 minutes, otherwise the measurement accuracy will be reduced. 7. Do not let the fluid flow backwards. The pointer of the on-site display or the word wheel of the counter is reversed to indicate the backward flow. It should be checked in detail to avoid accidents. 8. Use 40 or 60 mesh/inch stainless steel wire mesh for the filter. 9. The transmission and magnetic conditions of the magnetic seal coupling or mechanical seal coupling should be checked to check whether the magnetic field strength is sufficient, and the magnetic steel should be updated in time if it is not enough. 10. Before using, the bypass valve should be opened slowly, then the inlet valve of the flowmeter, and then the outlet valve. When opening the outlet valve, be sure to pay close attention to the movement speed of the pointer of the flowmeter. After normal operation, close the bypass valve. If it is abnormal, open the bypass valve immediately and close the inlet and outlet valves for inspection. 11. After Xin'an pipeline or maintenance, the filter must be opened to remove impurities after being put into use for one day. During normal use, the filter must be cleaned once for half a year for light oil and 3 months for heavy oil, and it is strictly forbidden to use steam to purge the flowmeter. 12. When replacing graphite bearings, for DN50 flowmeter, the maximum gap should not exceed 0.1mm; for DN150 flowmeter, the maximum gap should not exceed 0.2mm; for the gap between the upper and lower covers and the rotor, and the gap between the rotor and the inner cavity of the metering box. The maximum value of the gap should not exceed 0.15mm. 13. During maintenance and disassembly, the important parts should be marked to avoid wrong installation. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Maintenance Tips for Roots Flow Meters'

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