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Kaifeng Hollysys Industrial Instrument Co.,Ltd

Kaifeng Hollysys Industrial Instrument Co.,Ltd. is a high-tech enterprise commit into research and development, manufacture of flow instruments. Located at the base of China flow instrument, Kaifeng, we have full access to gain the most advanced technology in this field. All these make us full of confidence to provide products with international standard. At present, we are mainly dealing in electromagnetic flow meters, vortex flow meters, turbine flow meters, thermal gas mass flow meter, procession vortex flow meter, roots flow meter, orifice plate flow meters, metal tube rotor meters , ultrasonic flow meters. We are Original Equipment Manufacturer of flow meters with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in water supply and drainage, chemical, power supply, metallurgical mine, oil and other industries. Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. Welcome new and old customers from all walks of life to contact us for future business relationships and mutual success.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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