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1. How long is the service life of Tianxin flow meters buried underground? The service life of Tianxin flow meters buried underground is usually 8-10 years, depending on the type of flow meter and environmental conditions. 1. Recommended service life for different types of flow meters - differential pressure, vortex, ultrasonic, Coriolis flow meters: 10 years - turbine flow meters: 8 years. 2 Key factors affecting service life • Service environment: Corrosive media, high temperature or high pressure can accelerate component damage, such as acidic soil, which may shorten service life by 30% -50%. • Maintenance frequency: Calibrate and clean the sensor every 6 months, which can extend its lifespan to the upper limit; Lack of maintenance during dispatching may result in early scrapping 2-3 years. Manufacturing quality: The 316L stainless steel shell has a 40% increase in corrosion resistance compared to 304 stainless steel, and the wear rate of precision machined bearings is reduced by 60%. three Practical suggestions for extending lifespan - installing PE anti-corrosion casing when buried underground to reduce the impact of soil corrosion. -Perform zero point calibration and sealing test every year to avoid data drift or leakage. -Choose models with IP68 protection level for better waterproof and dustproof performance. 2. What flowmeter is used to measure liquid ammonia?
Liquid ammonia, observe the concentration of ammonia.
. Firstly, a metal float pure turbulence flowmeter made of 316L stainless steel material is commonly used. You can also choose vortex flowmeter or turbine flowmeter. Each type of flowmeter has a different principle and accuracy for calibration measurement, and the selection should
3. What are the relevant regulations to follow when selecting and installing a flow meter?
When selecting and installing a flow meter, it is necessary to strictly follow national metrological regulations, industry equipment installation standards, and on-site working condition adaptation requirements. The core is to first select a compliant model and then install it in a standardized manner. Trade settlement flow meters need to meet the prerequisite for mandatory calibration.
1. Compliance regulations during the selection stage (1) Basic qualification and parameter matching requirements.
Priority should be given to products that have obtained the Certificate of Approval (CPA) for Measuring Instruments of the Peoples Republic of China. Flow meters used for trade settlement must be included in the 2020 version of the Catalogue of Work Measuring Instruments for Compulsory Calibration of the Peoples Republic of China. 2. The characteristics of the process medium that needs to be matched with orange hail include medium temperature, pressure, viscosity, corrosiveness, solid content, and phase state (gas/liquid/multiphase flow). For example, vortex flow meters are not suitable for high viscosity and high impurity media, while electromagnetic flow meters are only suitable for conductive liquid media. 3. Matching on-site operating parameters: including pipeline nominal diameter, system flow range, environmental temperature and humidity, vibration level, and electromagnetic interference intensity. When selecting, a 10%~20% flow measurement margin should be reserved.4 For scenarios involving flammable, explosive, toxic and harmful media, products with corresponding expl
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