Installation requirements for differential pressure flow meters

Abstract: The information on the installation requirements of differential pressure flowmeters is provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. The accuracy of flow measurement has a lot to do with whether the installation of the differential pressure flowmeter meets the requirements. The general requirements are as follows: 1. During installation, the opening of the throttling piece must be concentric with the pipeline. The end face of the throttling piece is perpendicular to the axis of the pipeline. The upstream and downstream of the throttle must have a certain length. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the installation requirements for differential pressure flowmeters. The accuracy of flow measurement has a lot to do with whether the installation of the differential pressure flowmeter meets the requirements. The general requirements are as follows: 1. During installation, it must be ensured that the opening of the throttling piece is concentric with the pipeline. The end face of the throttling piece is perpendicular to the axis of the pipeline. The upstream and downstream of the throttling piece must have a certain length of straight pipe section orifice flowmeter, the first 10D is required, the rear 5DV cone flowmeter needs the first 5D, and the rear 1-3D elbow flowmeter is installed on the elbow. 2. The pressure guiding pipe should be laid within 3-50m according to the shortest distance as far as possible. In order not to collect gas and moisture in this pipe, the pressure guiding pipe should be installed vertically. When installing, the slope rate should not be less than 1:10. Use copper, aluminum or steel pipes with a diameter of 10-12mm for different pipes. 3. When measuring the liquid flow, it is best to install the differential pressure gauge at a position lower than the throttling device. If it must be installed above, install a gas collector with a valve at the highest point of the connecting pipeline, and install a valve with a valve at the lowest point Settler in order to discharge the gas and sediment in the pipe. 4. When measuring the gas flow, it is best to install the differential pressure gauge above the throttling device. If it must be installed at a lower position, a settler should be installed at the lowest position of the pressure guiding pipe to discharge condensate and dirt. 5. When measuring viscous, corrosive or flammable media, an isolator should be installed. The purpose of the isolator is to protect the differential pressure gauge from corrosion and contamination by the measured medium. The isolator is two identical containers filled with a chemically stable liquid that does not work and melts with the measured medium. For the convenience of use. Some pressure gauges are already filled with working fluid, which is separated from the measured medium by an isolation film. In the same way, in order to ensure that the condensed water level in the two pipes is at the same height, install the condenser near the throttling device. In addition, it can prevent the hot steam from acting on the differential pressure gauge. The condenser is two containers installed side by side. The lower part is communicated with the differential pressure gauge, and there are two horizontal holes in the middle, which are connected with the pressure taking device of the throttling device by different pressure pipes. A constant liquid level is maintained in the condenser. 7. Special attention should be paid to heat preservation and heat tracing in relatively cold areas to prevent the pressure pipe from freezing. Installation Requirements for Differential Pressure Flowmeters 'Installation Requirements for Differential Pressure Flow Meters'

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