Page 14 of Latest News, Dates, Events, Press, Articles

What Are Flush Bottom Valves & Slurry Angle Valves?

What Are Flush Bottom Valves & Slurry Angle Valves?

  • Jul 30, 2021
  • Hits: 147

Glad to learn you're in the market of chemistry and valve industry.   Dervos is a leading valve manufacturer and trader in China and a long-term partner with bp, VPF, Chevron, and other valve...

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General Knowledge About Butterfly Valves

General Knowledge About Butterfly Valves

  • Jul 17, 2021
  • Hits: 53

The butterfly valve is installed vertically in the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis with a rotation angle...

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Globe Valve Should Pay More Attention to the Influence of Resistance

Globe Valve Should Pay More Attention to the Influence of Resistance

  • Jul 05, 2021
  • Hits: 32

Actually, for the globe valve, the most important thing to pay attention to is its influence on the resistance. When the resistance increases, it will first increase the transmission power, which will...

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What Are Check Valves and Why They Fail

What Are Check Valves and Why They Fail

  • Jul 02, 2021
  • Hits: 30

Check valves, also known as "one-way" valves, are self-drove valves that allow fluid to flow in one direction, thereby reducing or preventing back-flow. They have to be made with a group of...

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What Is the Manufacturing Structure of Stainless Steel Gate Valves

What Is the Manufacturing Structure of Stainless Steel Gate Valves

  • Jun 24, 2021
  • Hits: 25

The stainless steel gate valve is a kind of product that is widely used in various projects. It can help the project to be carried out more effectively and make the operation smoother. It is a very important...

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Structure and Performance of Soft Seals in Butterfly Valves

Structure and Performance of Soft Seals in Butterfly Valves

  • Jun 11, 2021
  • Hits: 39

A butterfly valve is widely used as the best device to cut off or adjust the flow on the medium pipeline in urban construction, petrochemical, metallurgy, electric power and other industries. The butterfly...

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Do You Know All these Characteristics of Knife Gate Valves?

Do You Know All these Characteristics of Knife Gate Valves?

  • May 28, 2021
  • Hits: 50

Knife gate valves have advantages like simple and compact structure, reasonable design, material saving, reliable sealing, flexible operation, small volume, smooth passage, small flow resistance,...

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Manual Valve Operation Tips

Manual Valve Operation Tips

  • May 17, 2021
  • Hits: 75

The manual valve, operated by a handle or handwheel, is a valve commonly used on pipelines. Usually, Its handle and handwheel rotate clockwise for closing, counterclockwise...

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Benefits of Teflon Coated Ball Valves Or Butterfly Valves

Benefits of Teflon Coated Ball Valves Or Butterfly Valves

  • May 10, 2021
  • Hits: 91

  Teflon coated ball valves: Teflon enjoys properties like non-adherence, resistance to extremely high temperature, resistance to atmosphere and artificial responses  which makes it most...

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Introduction of Parameters and Installation of ZP Automatic Exhaust Valves

Introduction of Parameters and Installation of ZP Automatic Exhaust Valves

  • Apr 28, 2021
  • Hits: 34

First, technical parameters of ZP automatic exhaust valves 1. medium: clean water 2. Temperature: normal temperature 3. Shell strength test pressure: 1.5MPa, no damage. 4. Floating ball sealing test...

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