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Electric steam control valve feature and instruction

Electric steam control valve has the feature of compact structure, accurate flow characteristics, small seat leakage.Electric steam control valve is widely used in petroleum, chemical, metallurgy, power station and other industrial system.Electric steam control valve adopts 3810L(PSL) series electric actuator.The integrated structure with built-in electronic controller module can avoid the trouble of using servo amplifier.The regulating mechanism adopts a new type of […]

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The maintenance contents of self-operated control valve

Common malfunction of self-operated control valve is pressure reducing performance failure and leakage between valve body and cover and end cover.When the breakdown of self-operated control valve in operation needs to be repaired, the self-operated control valve on both sides of the pressure reducing valve shall be closed first, and the by-pass tube shall work temporarily.At ordinary maintenance,self-operated control valve should

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Three flow characteristics of electric control valve

Electric control valve is an important instrument in industrial automation process control.With the increasing automation level in the industrial field, electric control valve is more and more applied in various industrial production fields.Electric control valve actuator receives actuator signals (0-10v or 4-20ma) to control the valve for regulation, or an intelligent network control system can be formed according to the

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Automatic Recirculation Valve Manufacturer

Automatic recirculation valve manufacturer, China pump recirculation control valve factory and supplier. The automatic recirculation valve (ARC valve) is a multifunctional valve whose main purpose is to ensure that the predetermined minimum flow through the centrifugal pump is always ensured. This is important because centrifugal pumps will overheat and cavitation, and will be permanently damaged if idling.The pump

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How to calculate control valve diameter size

How to calculate control valve diameter size ,let’s give you some brief introduction about how to confirm whether the diameter is suitable for the control valve. Control valve working condition:Medium:Liquid nitrogen,t=33℃,λ=5.9×10^-4kgf/cm3,Pv=15×100kPa,Qmax=15m3/h,the corresponding Qmax p1,p2,△pmin is (530、130、400)×100kPa,Qmin=5m3/h,△pmax = 500×100kPa,s=0.2, choose high pressure control valve ,flow characteristics:linear ,with positioner,what diameter(DN) is suitable for the control valve? 1.Flow capacity:Qmax=15m3/h。 2.Pressure difference:△pmin = 400×100kPa,△Pmax=500×100kPa. 3.Kv value calculation:

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Pneumatic control valve working condition

Pnematic control valve working condition and how to choose pneumatic control valve After determining the output force of the actuator, select the corresponding actuator for the control valve according to the requirements of the use environment.Pneumatic control valve should be used when there are explosion-proof requirements on site.Considering from the aspect of energy saving, electric

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Electric control valve technical parameter instruction

When we choose the electric control valve, we need know Electric Control Valve medium parameters,Electric Control Valve body parameters,Electric Control Valve Actuator parameters, then we can choose the suitable control valve for the clients. The following format is about how to choose electric control valve.Electric control valve technical parameter instruction: 【Form1】Electric Control Valve Medium Parameters No. Name Actual Parameters Examples 1 Medium Name for control

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Electric Butterfly Valve

Electric butterfly valves are available in two types: on-off type and intelligent type. The butterfly valve is matched with DSR actuator. It can be operated by inputting control signal (4~20mADC or 1~5VDC) and single-phase power supply. It features powerful functions, compact size, light weight, cost-effectiveness, reliable performance, simple matching and large flow capacity. It is

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