Classification of throttling devices

Abstract: The classification information of the throttling device is provided by the excellent flowmeter and flowmeter production and quotation manufacturers. The throttling device has the advantages of simple structure, convenient installation, reliable use, low price, convenient maintenance, and a wide selection range (the diameter of the standard throttling device can be measured from 50mm to 1200mm, and the diameter of the non-standard throttling device can also be as small as 6mm. Up to 3000mm; measure temperature. More flowmeter manufacturers are welcome to inquire about the model and price quotation. The following is the classification article details of the throttling device. The throttling device has the advantages of simple structure, convenient installation, reliable use, low price and convenient maintenance. , Wide selection range (the standard section device can measure the diameter from 50mm to 1200mm, and the non-standard throttling device can be applied to the pipe diameter as small as 6mm and as large as 3000mm; the measurement temperature can be as high as 555 ℃; the pressure resistance can reach 42MPa), In addition, the standard throttling device also has the advantages of no need for separate calibration. It is the most widely used and mature product in flow meters, so it is widely used in electric power, chemical industry, metallurgy, petroleum, textile, military and other fields. The orifice plate is only Refers to the key component in the throttling device, the throttling part, because it is a metal plate with holes, so it is named. After a long time, the entire throttling device is also commonly known as the orifice plate, and the differential pressure type The flowmeter is also commonly known as the orifice plate. The throttling device is a differential pressure sensing element that measures the flow. With the differential pressure transmitter and the actual, recording, accumulating and adjusting instruments, it can be used to measure, accumulate and control liquid, steam and Instantaneous flow and cumulative flow of gas. The throttling device is composed of throttling parts, pressure-taking devices (including pressure-taking ports, pressure-inducing pipes and valves, etc.), matching flanges, and sometimes the front and rear straight pipe sections that meet the standards. Standard throttling devices include standard orifice plate, standard nozzle and standard Venturi tube. Standard orifice plate is divided into angle connection (annular chamber or drilled hole) pressure, flange pressure and diameter distance according to the pressure taking method; The form is divided into ISA1932 nozzle, long diameter nozzle; standard Venturi tube is divided into Venturi nozzle, Venturi tube (rough casting or machining or coiling) according to the form. Non-standard throttling device has small diameter orifice, 1/4 round hole Plate, round orifice plate, round orifice plate, eccentric orifice plate, double orifice plate, built-in orifice plate, conical inlet orifice plate, etc. Other forms of throttling devices include pitot tube, uniform velocity tube, wedge, cone, etc. , The standard name of orifice flowmeter is throttling device, which is the most commonly used type of differential pressure flowmeter. The above is the entire content of this article. You are welcome to inquire about the flowmeter selection and quotation of our manufacturer. Classification of flow devices

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