Differential pressure flow meter is one of the most widely used flow meters in the field of industry nowadays. Its simple structure, stable precision and high reliability are favored.
Integral orifice flow meter is a kind of non-standard differential pressure flow meter used in small diameter pipe. It is stable and accurate flow measurement because of the highly integrated structure, the straight pipe section with sufficient length, the precise machining and the inspection by standard flow device. It is widely used in oil refining, chemical industry, electric power and natural gas industry.
Made in China. brand DDTOP, model LGNC
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Differential pressure flow meter is the most widely used in recent industrial field of a class of flow meters, its simple structure, stable accuracy and high reliability features are very popular. Standard orifice plate flow element is the most widely used class, but the standard orifice plate in small pipeline applications due to their own installation and mechanic accuracy error, resulting in less than ideal measurement results, and then should be used in the built-in orifice plate flow meter. Orifice plate flow meter is a kind of non-standard differential pressure flow meter used in small-diameter pipelines, which ensures stable and accurate flow measurement due to its highly
integrated structure, front and rear straight pipe sections with sufficient length, precision processing and inspection by standard flow devices. It is widely used in small and medium-sized pipelines in oil refining, chemical, electric power, natural gas and other industrial fields.
Operating Principle
Integral orifice flow meter and standard orifice plate are based on the principle of fluid continuity and Bernoulli’s equation of conservation of energy, putting a piece of integral orifice plate into a full tube of medium in the process pipeline, when the fluid flows through the integral orifice plate flow meter, the flow beam will be in the flow element to form a local contraction, thereby increasing the flow rate, low static pressure, so the flow element will produce a pressure drop before and after the pressure drop, that is, the pressure difference, the greater the flow of the medium, the greater the pressure difference generated before and after the flow element, through the differential pressure transmitter can output and the measured fluid flow value as a square relationship between the standard signal, can be converted into flow value.
Features
1.Whole installation of transmitter and flow element can save installation and maintenance workload.
2.Integral orifice plate adopts inner polished straight pipe section, upstream with 20 times pipe diameter, downstream with 10 times pipe diameter, can achieve good rectification effect and reduce the uncertainty of measurement.
3.High accuracy and the basic error of integral orifice flow meter calibrated by real flow can reach up to ±0.5%.
4.Tap body is made of stainless steel forgings, which ensures the overall strength and minimizes the possible leakage points.
Applications
Refining: Hydrocracking
| Serial Number | Code | Content | |||
| LGNC- | Integral orifice flow meter | ||||
| 016 | 1/2″（DN15） | ||||
| 02 | 3/4″（DN20） | ||||
| 026 | 1 “（DN25） | ||||
| 04 | 1-1/2″（DN40） | ||||
| 01 | PN16 | ||||
| 02 | PN20/CL150 | ||||
| 03 | PN25 | ||||
| 04 | PN40 | ||||
| 05 | PN50/CL300 | ||||
| 06 | PN63 | ||||
| 10 | PN100 | ||||
| 11 | PN110/CL600 | ||||
| A | With transmitter | ||||
| B | Without transmitter |
Example
LGNC-02605A，an integral orifice flow meter, nominal diameter is DN25, nominal pressure is CL300, with transmitter.
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You can buy DDTOP LGNC in UK or Europe at a favourable price in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email dolce@dolcetrade.com. DDTOP LGNC price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.
See also: Flow meters
