Classification of imported electric control valves and technical explanation of some parameters

Mondo Technology Updated on 2024-01-19

Imported electric control valve is a common self-control valve in industrial fluid control system. It is a device used to control the flow of media, by receiving the control signal of the electric actuator, through the linkage with the sensor, real-time monitoring and feedback control of parameters such as temperature, pressure, flow and liquid level. The product has the characteristics of reliable action, high precision of flow characteristics, large adjustable ratio, and compact structure. It is widely used in different industries such as petrochemical, pharmaceutical, metallurgy, papermaking, water treatment, etc. Control a wide range of different fluid media.

There are a complete range of imported electric control valves, and it is particularly important to choose a suitable electric control valve under different working conditions. Take the German Dolddr electric control valve as an example.

According to the structure type, it can be divided into: electric single-seat control valve, electric double-seat control valve, electric cage control valve, electric sleeve control valve, and electric labyrinth control valve.

According to the classification of medium demand, it can be divided into: electric steam control valve, electric water control valve, electric oil control valve, electric gas control valve, electric carbon dioxide control valve, etc.

According to the classification of medium regulation, it can be divided into: electric pressure regulating valve, electric flow regulating valve, electric temperature regulating valve (also commonly called electric temperature control valve).

The main parameters of the imported electric control valve:

DN: DN15-DN300

Rated flow coefficient: 18kv-1600kv

Rated stroke: 16-100mm

Action Speed: 21mm/s

Input signal -0-10mA 4-20mA

Power supply: AC220V 50Hz

Nominal pressure: 10MPa-42MPa (ultra-high pressure can be customized).

Applicable temperature: -20 -425 (ultra-high temperature can be customized).

Flange connection form: GB91131-2000 standard (JB T79.)1-94)

Intrinsic flow characteristics: straight line, equal percentage.

Body material: HT200, WCB (ZG230-450).

Spool material: 1Cr18Ni9, OCR18Ni12Mo2Ti

Upper bonnet form: ordinary type (normal temperature type), hot sheet type (high temperature type).

Adjustable ratio: 50:1

Basic Error %: 10

Rated flow factor: 10%.

Return: 10%

As an important part of the industrial automation system, the imported electric control valve determines its wide application in various occasions due to its structural principle and advantages. Through an in-depth understanding of the structural principle and type advantages of imported electric control valves, we can better select and apply this efficient control equipment to improve the efficiency and quality of industrial production processes. At the same time, paying attention to the technological development of imported electric control valves will also help promote the continuous innovation and progress of industrial automation technology.

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