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Kaifeng Hollysys Industrial Instrument Co.,Ltd

Kaifeng Hollysys Industrial Instrument Co., Ltd., referred to as Kaifeng Hollysys for short, is located in Kaifeng, "seven dynasties". It is an enterprise specializing in the research, development, design and production of flow meters, specializing in the production of various gas and liquid flow meters. The main products are: electromagnetic flowmeter, vortex flowmeter, turbine flowmeter, ultrasonic flowmeter, material (liquid) level flowmeter and other instruments. Kaifeng Hollysys has set up more than 20 technical service centers in Beijing, Hangzhou, Wuhan, Fuzhou, Kunming, Wuxi, Shandong, Chengdu and Xi 'an. At present, our products are widely used in petrochemical, natural gas, machinery, electric power, chemical industry, metallurgy, building materials, food, medicine, agriculture, environmental protection, aerospace, military production, municipal and other industries. Our business covers all parts of China and more than 50 countries and regions such as Singapore, South Korea, India, Pakistan, Malaysia and Brazil.Load more
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Classification of measurement principles 1. Mechanics principles: instruments that belong to this type of principle include differential pressure type and rotor type using Bernoulli theorem; impulse type and movable tube type using momentum theorem;

​1. The transmitter of the vortex flowmeter stops the abnormal whistling sound: (1) The flow rate is too high, causing the generator or detection element to vibrate; (2) Cavitation occurs in the pipeline; (3) The generating body or detecting element is loose. Solution: In order to avoid damage to the generating body or detection components, the valve should be adjusted first to reduce the flow rate and the flow rate, and then further investigate the cause.

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