Page 9 of News & Events
Knowledge of Forged Steel Valve Electric Actuators-part one

Knowledge of Forged Steel Valve Electric Actuators-part one

  • Jan 15, 2019
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Forged steel valve electric actuator is an indispensable driving device for forged steel valve program control, automatic control and remote control. The movement process can be controlled by the stroke,...

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Classification and structure characteristics of forged check valves

Classification and structure characteristics of forged check valves

  • Jan 11, 2019
  • Hits: 15

According to their structures, forged check valves can be divided into three types: a forged lift check valve, a forged swing check valve and a forged disc type check valve. Forged lift check valves are...

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How to deal with the forged valves which cannot be closed tightly?

How to deal with the forged valves which cannot be closed tightly?

  • Jan 08, 2019
  • Hits: 8

Under normal circumstances, if a forged valve is not closed tightly, first confirm whether the forged valve is closed in place. If it has been closed in place, there is still leakage and the forged valve...

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Technical characteristics and functions of forged steel ball valves

Technical characteristics and functions of forged steel ball valves

  • Jan 08, 2019
  • Hits: 10

The forged steel ball valve utilizes the principle of the cam, so that the valve ball is disengaged from the sealing surface of the valve seat during rotation, and then the ball is pushed to the valve...

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Seal form and its sealing performance of forged valves-part two

Seal form and its sealing performance of forged valves-part two

  • Dec 27, 2018
  • Hits: 14

Static seal What is a static seal? A static seal is usually a seal between two stationary faces. The sealing method is mainly to use a gasket.  Regular use of gasket performance: When using a forged...

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Seal form and its sealing performance of forged valves-part one

Seal form and its sealing performance of forged valves-part one

  • Dec 27, 2018
  • Hits: 8

Seals are also a critical component in forged valves. The sealing performance of the forged valve refers to the ability of the sealing parts of the forged valve to prevent the leakage of the medium. It...

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Common forged valve pressure test methods and considerations-part two

Common forged valve pressure test methods and considerations-part two

  • Dec 27, 2018
  • Hits: 8

Forged valve pressure test precautions (1) Under normal circumstances, the forged valve is not tested for strength, but the repaired forged valve body and forged valve bonnet or corroded forged valve...

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Main Factors Affecting Forged Steel Valve Sealing Performance

Main Factors Affecting Forged Steel Valve Sealing Performance

  • Dec 20, 2018
  • Hits: 16

There are many factors affecting the forged valve seal, mainly as follows: Seal Structure Under the action of temperature or sealing force, the structure of the sealing surface will be changed. And this...

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Common forged valve pressure test methods and considerations-part one

Common forged valve pressure test methods and considerations-part one

  • Dec 15, 2018
  • Hits: 27

In chemical production, as long as there is fluid through, the valve will be used. The importance of the valve in the chemical industry is self-evident. So today, Dervos Forged Valve will come with you...

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