How to correctly use orifice meter scale

Abstract: the orifice meter scale how to correctly use the information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Orifice meter is the standard orifice differential pressure transmitter with multiple parameters ( Or differential pressure transmitter, temperature transmitter and pressure transmitter) Form a complete set of high contrast range pressure flow device, capable of measuring gas, steam, liquid and flow, widely used in petroleum. More flow meter manufacturers choose model price quote you are welcome to inquire, below is the orifice meter scale details on how to correctly use the article. Orifice meter is the standard orifice differential pressure transmitter with multiple parameters ( Or differential pressure transmitter, temperature transmitter and pressure transmitter) Form a complete set of high contrast range pressure flow device, capable of measuring gas, steam, liquid and flow, widely used in petroleum, chemical industry, metallurgy, electricity, heating, water supply in areas such as process control and measurement. The throttle device, also known as differential pressure flowmeter, is composed of a detection ( The throttle) And the second device ( Differential pressure transmitter and flow display) Widely used in the gas. Steam and liquid flow measurement. It has a simple structure, convenient maintenance, stable performance. Orifice meter usage have? How to correctly use orifice flowmeter? What are the precautions for orifice meter use? Orifice flowmeter is integrating flow, temperature and pressure detection, temperature, pressure, and can automatically compensate of a new generation of flowmeter, the adoption of advanced new technology of microcomputer technology and micro power consumption, strong function, compact structure, simple operation, easy to use. Orifice meter shows three parts by sensing, transmitting, arithmetic is mainly suitable for saturated steam and superheated steam, compressed air, mixture of flammable and explosive gas and hot water industry measurement, flow measurement, display, measurement of the fluid and on-line automatic control of the production process USES all can use. Running is the most important considerations must be in the guide tube filled with water or the injection of high temperature steam cooling before they can start the shipment. Throttling orifice flowmeter a straight pipe before and after must be straight, install the throttling parts with straight pipe section should be smooth, if not smooth, flow coefficient should be multiplied by the roughness correction sparse. Throttling parts require a enough long straight pipe before and after the throttle upstream side for open space or diameter & ge; 2 d large container, the open space or a large container with throttling parts between the straight pipe length shall not be less than 30 d ( 15 d) 。 If throttling and open space or there are other local resistance between large container, except in throttling and local resistance parts with adhesion between specified minimum straight long 1, from the open space to the throttling parts between the straight pipe section chief, also should not be less than 30 d ( 15 d) 。 How to correctly use orifice flowmeter: you are below for details: 1. Guide pressure pipe system filled with cold water for conducting medium pressure, high temperature steam measurement by generally cold water pressure. In pipeline transportation under the condition of steam, not open the valve, pressure valve and balance valve, close the drain valve, directly from the condensation of injecting cold water into tank water injection hole, until full fill. , of course, also can turn off balance valve and pressure valve, a valve open introduced slowly cooling water high temperature steam. This method because of the steam temperature is too high, easy to damage the instrument is generally not used. Special attention should be paid to guide when measuring high temperature steam pressure tube filled with water or high temperature it is forbidden to put into operation. Measure the compressed air, cold water is directly adopted by medium pressure. 2. Adjustment pressure transmitter zero migration, due to guide water column pressure tube to produce an additional pressure, the pressure display should have additional readings, need for the additional pressure zero, called zero migration. Specific practices: a valve closed, open the pressure valve, connected to the power supply. Open the pressure transmitter shell, migration of regulating screw, make the pressure display, the output is zero. 3. Vent or drain differential pressure transmitter, pressure pipe filled with water after the, at times the pressure, let indoor differential pressure transmitter to gather a small amount of gas affect conductivity pressure, must be ruled out. Unscrewed the positive and negative pressure, let a bolt drainage at the bottom of the chamber. General new operational instrument without drainage. No leak check guide pressure pipeline system, close all valves, ready to put into operation. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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