Requirements for the upstream and downstream straight pipe sections of the flow meter

Abstract: The information on the requirements of the upstream and downstream straight pipe sections of the flow meter is provided by the excellent manufacturers of flow meters and flow meters. The general requirements for the upstream and downstream straight pipe sections of the flowmeter in GB 50093━2002 Automation Instrumentation Engineering Construction and Acceptance Specifications are as follows: Rotameter, the upstream is not less than 0 to 5 times the pipe diameter, and there is no requirement for the downstream; Target flowmeter, the upstream is not less than 5x tubes. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the article details of the requirements for the upstream and downstream straight pipe sections of the flowmeter. The general requirements for the upstream and downstream straight pipe sections of the flowmeter in GB 50093-2002 Automatic Instrumentation Engineering Construction and Acceptance Specifications are as follows:——Rotameter, the upstream is not less than 0 to 5 times the pipe diameter, and there is no requirement for the downstream;——Target flowmeter, the upstream is not less than 5 times the pipe diameter, and the downstream is not less than 3 times the pipe diameter;——Turbine flowmeter, the upstream is not less than 5 to 20 times the pipe diameter, and the downstream is not less than 3 to 10 times the pipe diameter;——Vortex flowmeter, the upstream is not less than 10 to 40 times the pipe diameter, and the downstream is not less than 5 times the pipe diameter;——Electromagnetic flowmeter, the upstream is not less than 5-10 times the pipe diameter, and the downstream is not less than 0-5 times the pipe diameter;——Ultrasonic flowmeter, the upstream is not less than 10 to 50 times the pipe diameter, and the downstream is not less than 5 times the pipe diameter;——Positive displacement flowmeter, no requirement;——Orifice plate, the upstream is not less than 5-80 times the pipe diameter, and the downstream is not less than 2-8 times the pipe diameter;——Nozzle, the upstream is not less than 5 to 80 times the pipe diameter, and the downstream is not less than 4 times the pipe diameter;——Venturi, elbow, wedge-shaped pipe, the upstream is not less than 5 to 30 times the pipe diameter, and the downstream is not less than 4 times the pipe diameter;——The uniform velocity pipe, the upstream is not less than 3 to 25 times the pipe diameter, and the downstream is not less than 2 to 4 times the pipe diameter. The above is the general requirements for the upstream and downstream straight pipe sections of the flowmeter in GB 50093-2002 Automation Instrumentation Engineering Construction and Acceptance Specifications. It should be determined according to the manufacturer's requirements. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Requirements for Upstream and Downstream Straight Pipe Sections of Flow Meters'

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