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Home>Product>Petrochemical instrument>Valve

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Control valve

Characteristics

Inquiry

  • Description
  • Inquiry

Pneumatic two-stage control valve has very good switching characteristics, which can ensure the measurement accuracy when the fluid trade is transferred. The quick exhaust and throttling functions are used in the actuator to slow the opening and closing of the valve, so that the fluid in the pipeline changes smoothly, and the water hammer caused by the impact will not cause the flammable fluid to explode, nor will it be impacted. It can damage the flowmeter and other instruments in the system, so it is suitable for flow control systems in petroleum, chemical, light industry, national defense and other industries. It is especially suitable for oil storage and transportation systems.


深奥图英文版阀门1.jpgThe pneumatic two-stage control valve provides a three-position operation mode of 0°-45°-90° or 0°-90°-180°. The middle position is achieved by the movement of two auxiliary pistons to generate a mechanical brake. This middle position is adjustable, such as the 900 stroke actuator can provide 20°, 30°, 50°, 75° and other intermediate positions.


Working conditions

1.Dry or lubricated working medium or impurities in non-corrosive gas medium Micro material is less than 30um.

2.Air pressure

3.The media environment temperature

4.Standard: -20~80°C Low temperature: -35~80°C High temperature: -15~150°C

5.Stroke adjustment  

6.0° and 90° two positions with ±5° 

7.Installation occasions

8.Indoor or outdoor installation

深奥图英文版阀门3.jpg



深奥图英文版阀门2.jpg

1.It can realize multi-position action control functions such as opening and closing of the valve for two sections, opening of the second  section of the second section, and opening of the third section of the third section.

2.The speed of the on-off valve is adjustable;

3.The valve is opened and the valve opening degree is adjustable;

4.Automatic and manual control;

5.Safe return (FC/FO) for gas shutoff/de-energization;

6.Meet APl607 fire protection, APl6D anti-static requirements

深奥图英文版阀门4.jpg


Solenoid valves S1, S2 use 2-position 5-way solenoid valve, position as above

NSS1: 220VA or 24VDC relay output contact control S1

NSS2: 220VA or 24VDC relay output contact control S2

Electro hydraulic valve structure diagram


QQ图片20150930161522.pngQQ图片20150930161543.png



气动法兰球阀 (1)_副本.png手动截止阀 (1)_副本.png


Diagram of oil depot

QQ图片20150930162555.png


The action process is as follow

深奥图英文版阀门5.jpg

电动三通球阀 2_副本.png气动法兰球阀 (4)_副本.png

深奥图英文版阀门6.jpg

Technical Parameters
Diameter Nominal /Standard


L(mm)


A


D


D1


d


Net Wet.(kg)

DN-402001601601104*1824
DN-502101601651254*1826
DN-802801952001608*1836
DN-100350220220

180

8*1854
DN-150430

260

2802408*22110
DN-20056032034029512*22140


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