Metal tube rotameter scale, how to ensure accuracy

Abstract: metal tube rotameter scale how to ensure the accuracy of the information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Flow meter on the market now, flowmeter is a lot of more phyletic, the metal tube rotameter with glass rotameter belongs to the rotor flowmeter, bo turn practical, convenient and cheaper than gold and bo turns, the higher the price. But now metal tube rotameter. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a metal tube rotameter scale details how to ensure accuracy of the article. Flow meter on the market now, flowmeter is a lot of more phyletic, the metal tube rotameter with glass rotameter belongs to the rotor flowmeter, bo turn practical, convenient and cheaper than gold and bo turns, the higher the price. But now metal tube rotameter utilization promote quickly, slowly replace glass tube flowmeter. Because the metal tube rotameter of stable performance, complete function, easy to operate, also can take 4 - 20 ma signal output. Metal tube rotameter is suitable for measuring liquid in the airtight pipeline, the gas meter. Good performance is one aspect of the flow meter, a reasonable installation, proper use of more flowmeter prolong service life, ensure the accuracy of flowmeter. In order to guarantee the normal work of the metal tube rotor flow meter and meet the requirements of measurement accuracy, the general should pay attention to the following: 1, the export shall be 250 mm straight pipe, metal tube rotameter at the entrance of straight pipe length should be more than 5 times the pipe diameter. In order to ensure the accuracy of measurement instrument; 2, fluid flows from bottom to top, flowmeter, metal tube rotameter must be installed vertically, and vertical degree is better than 2 & deg; 。 Horizontal when the horizontal Angle is better than 2 & deg; To handle the fault or blow does not affect production; Piped in process of metal tube rotameter should add bypass. 3, if the medium containing solid impurities and ferromagnetic materials, consideration should be given to the valve and straight pipe between the filter; 4, heat insulation protection measures should be taken to, if the medium to be measured temperature higher than 220 ℃ or fluid temperature is too low crystallization occurs easily. Should choose clip model for cooling or heat preservation; 5, measuring gas meter, should guarantee the pipeline pressure is not less than five times the flow pressure loss, to float a stable job. If specific pressure calibration gas in the export direct emissions into the atmosphere,. Will have an air pressure drop in the float, and cause data distortion. If this is the working condition, a valve should be installed at the export of instrument; 6, metal tube rotameter is in commonly device does not need to maintain after normal operation. Failure occurs when the device has just started, because the pipe purging is not clean, and float by solid particles sticking phenomenon, the indicator pointer is parked in a fixed position. First of all should be closed the valve on both sides of the flowmeter at this moment, and then remove the flange, remove float washed, packed again. Note on the fastening flange nut to balance tight, and take good washer. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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