Page 14 of News

Coatings of Sealing Surface of High-temperature Wear-resistant Ball Valves (Part one)

Coatings of Sealing Surface of High-temperature Wear-resistant Ball Valves (Part one)

  • Feb 07, 2023
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The strengthening process of depositing CrN coating on Cr3C2-NiCr coating to form CrN or Cr3C2-NiCr composite coating by using supersonic flame spraying (HVOF) combined with physical vapor deposition...

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Quick Lifting Metal Seated Plug Valves

Quick Lifting Metal Seated Plug Valves

  • Jan 27, 2023
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The working principle, structural features and product performance of the quick lift metal seated plug valve are introduced, and the fast transmission systems are composed of hydraulic actuators through...

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Analysis and Measures of Internal Leakages of Globe Valves (Part two)

Analysis and Measures of Internal Leakages of Globe Valves (Part two)

  • Jan 05, 2023
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4. Measures for avoiding internal leakages For small-diameter forged steel globe valves with a size less than and equal to DN50, the integrated forging process is adopted for the connection between...

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Analysis and Measures of Internal Leakages of Globe Valves (Part one)

Analysis and Measures of Internal Leakages of Globe Valves (Part one)

  • Dec 28, 2022
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The internal leakage in the use of globe valves is summarized and analyzed, and the measures to solve the problems are put forward.   A globe valve is an indispensable fluid control product in modern...

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Lift Metal Seated Plug Valves

Lift Metal Seated Plug Valves

  • Dec 15, 2022
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The working principle, structural design, finite element analysis and manufacturing process of the main parts of the lift metal-seated plug valve are explained.   1. Overview The plug valve has the...

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Preventing Coking of High-temperature Valves in the Coking Unit

Preventing Coking of High-temperature Valves in the Coking Unit

  • Nov 30, 2022
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1. Overview A 2.4Mt/a delayed coking unit adopts the process of two furnaces and four towers, and normally produces green coke for 24 hours. There are 16 high-temperature valves on the device. The medium...

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What Impact Will the Fluid Have on the Valve?

What Impact Will the Fluid Have on the Valve?

  • Nov 24, 2022
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Scouring Many factors that affect the scouring of the fluid particle, such as particle sizes, content, density and velocity in the fluid medium. For places with easy wear, the optimal valve is determined...

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Technology & Market Prospect of Dedicated Valves in the Industry 4.0 Era

Technology & Market Prospect of Dedicated Valves in the Industry 4.0 Era

  • Oct 27, 2022
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Dedicated valves refer to valves that can be used in various special environments and adapt to various complex working conditions. A dedicated valve is a general mechanical product widely used in the...

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Maintenance and Management of Valves in Gas Transmission Stations

Maintenance and Management of Valves in Gas Transmission Stations

  • Oct 13, 2022
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3. Strengthening the maintenance and management of valves in gas transmission stations 3.1 Paying attention to the selection and training of valve manufacturers The valve is a very important device for...

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Failures and Maintenance of Valves in Gas Transmission Stations

Failures and Maintenance of Valves in Gas Transmission Stations

  • Sep 27, 2022
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Abstract: The valve plays a very important role in the gas transmission station. According to different conditions and environments, the valve also plays different roles in the actual use process. Therefore,...

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