What are the commonly used steam flow meters for integrated balance flow meters

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What are the precautions for using an integrated balance orifice flowmeter?

The integrated balance orifice flowmeter works based on the principle of differential pressure. When using it, the following precautions should be taken: the principle of shortest distance for laying the differential pressure signal pressure pipe: the pressure pipe should be laid at the shortest distance to reduce interference and attenuation during signal transmission and ensure the accuracy of the differential pressure signal.. The relationship between pipe diameter and length: Generally speaking, the longer the pressure pipe, the larger its inner diameter should be. This is to reduce the flow resistance of the fluid inside the pressure pipe, ensure smooth fluid flow, and avoid excessive pressure loss caused by a small pipe diameter, which affects measurement accuracy. Laying slope: The pressure pipe should be laid vertically or diagonally, with a slope of less than 1:12. For fluids with high viscosity, their inclination should be increased. When the distance between the pressure pipes is greater than 30 meters, the pressure pipes should be inclined in sections, and gas collectors and settling devices should be installed at the high and low points respectively. This can prevent gas or impurities in the fluid from accumulating in the pressure tube, which can affect the accurate measurement of differential pressure signals. Antifreeze protection: In extremely cold regions, anti freeze protection measures should also be added to the pressure pipe, such as wrapping the pressure pipe with insulation materials to prevent the fluid inside the pressure pipe from freezing and affecting the measurement, or even damaging the equipment. Pr

oper exhaust or discharge of liquid or gas at room temperature: When the measured fluid is a liquid or gas at room temperature, in order to prevent gas from entering the differential pressure transmitter during the measurement of the liquid, it is necessary to discharge the bubbles or droplets in the pressure relief valve tube and differential pressure transmitter. The specific operation is to first flush the pressure pipe clean and tidy, and then connect the differential pressure transmitter. First, open the balance valve in the three valve group, then slightly open the positive pressure valve to allow the measured fluid to slowly enter the differential pressure transmitter, exhaust the air from the exhaust needle valve on the differential pressure transmitter, close the air needle valve, and then close the balance valve on the three valve group. At the same time, open the positive and negative pressure valves on the three valve group, and the instrument can be put into normal operation. Operation steps for measuring liquid flow rate: High temperature liquid treatment: When the temperature of the measured liquid is higher than 80 ℃, a condenser should be installed. Before putting the differential pressure transmitter into operation, it is necessary to ensure that the liquid temperature in the condenser has cooled to below 80 ℃. Exhaust and Zero Adjustment: First, close the balance valve in the three valve group Qikai, then slightly open the positive and negative pressure valves on the three valve group to exhaust air from the exhaust needle valve on the differential pressure transmitter, close the exhaust needle valve, and then close the balance valve on the three valve group to zero the transmitter system. The instrume

What are the commonly used steam flow meters for integrated balance flow meters

What are the precautions for using an integrated balance orifice flowmeter?

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