The orifice plate is a differential pressure generating device for measuring flow. It can measure the flow of various fluids in the pipeline with various differential pressure gauges or differential pressure transmitters. The throttling device includes an annular chamber orifice, nozzles and so on. The throttling device is used in conjunction with a differential pressure transmitter to measure the flow of liquid, steam, and gas. It is widely used in petroleum, chemical, metallurgy, electric power, light industry and other sectors. Orifice plate has the international standard orifice plate is a differential pressure generating device for measuring flow. It can be used with various differential pressure meters or differential pressure transmitters to measure the flow of various fluids in the pipeline. The throttling device includes an annular chamber orifice, nozzles and so on. The throttling device is used in conjunction with a differential pressure transmitter to measure the flow of liquid, steam, and gas. It is widely used in petroleum, chemical, metallurgy, electric power, light industry and other sectors. The orifice plate has an international standard (ISO 5167). The pressure difference between the two ends of the orifice is measured, and the flow value with a certain accuracy can be calculated according to this standard. The orifice plate pressure method is specified in the international standard as diameter distance pressure, flange pressure and corner joint pressure (the pressure hole is close to the orifice plate). When measuring liquids containing a small amount of solids or gas containing a small amount of liquids, in order to facilitate the passage of a small amount of solids or liquids, the openings of the orifice plate can be made fan-shaped, or made eccentric to the axis of the pipe. The fluid filled with the pipe, When they flow through the throttling device in the pipeline, the stream will form a local contraction at the throttling part of the throttling device, so that the flow velocity increases and the static pressure is low, so there is a pressure drop before and after the throttling part, that is, the pressure The larger the flow rate of the medium, the larger the pressure difference generated before and after the throttle, so the fluid flow rate can be measured by measuring the pressure difference. This measurement method is based on the law of conservation of energy and the law of continuity of flow. The intelligent throttling device (flowmeter) is a new generation flowmeter that integrates flow, temperature, and pressure detection functions, and can automatically compensate for temperature and pressure. This meter adopts advanced microcomputer technology and new micro-power consumption technology, and has strong functions , Compact structure, simple operation and convenient use. Features: 1. The structure of the throttling device is easy to replicate, simple, firm, stable and reliable in performance, long in service life, and low in price. 2. Orifice plate calculation adopts international standards and processing. 3. Wide application range, all single-phase flow can be measured, and part of mixed-phase flow can also be applied. 4. The standard throttling device can be put into use without real flow calibration. 5. The integrated orifice plate is simpler to install, no pressure pipe is needed, and it can be directly connected to a differential pressure transmitter and a pressure transmitter.
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