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What are Bellows Sealed Valves

What are Bellows Sealed Valves

  • Jan 12, 2017
  • Hits: 20

BELLOW(S) SEAL(ED) VALVES Leakage at various points in pipelines found in chemical plants creates emissions. All such leakage points can be detected using various methods and instruments and should b...

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What are Plug Valves

What are Plug Valves

  • Jan 10, 2017
  • Hits: 22

PLUG VALVES A Plug Valve is a quarter-turn rotational motion Valve that use a tapered or cylindrical plug to stop or start flow. In the open position, the plug-passage is in one line with the in...

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Valve Trim Material Temperature Limits

Valve Trim Material Temperature Limits

  • Jan 05, 2017
  • Hits: 25

             Valve Trim Material, Temperature Limits (Degrees Fahrenheit) Material Lower/℃ Lower/°F ...

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What are Globe Valves

What are Globe Valves

  • Dec 30, 2016
  • Hits: 33

GLOBE VALVES A Globe valves is a linear motion valve and are primarily designed to stop, start and regulate flow. The disk of a Globe valve can be totally removed from the flowpath or it can com...

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What are Gate Valves

What are Gate Valves

  • Dec 29, 2016
  • Hits: 29

GATE VALVES Gate valves are mainly designed to start or stop flow, when a straight-line flow of fluid and minimum flow restriction are needed. In service, these valves generally are ei...

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What is the difference between metal seated butterfly valve and resilient seated butterfly valve

What is the difference between metal seated butterfly valve and resilient seated butterfly valve

  • Oct 26, 2016
  • Hits: 35

For butterfly valve with metal seat,  both sealing surfaces of valve are metal material or other hard material , which has not so good sealing performance, but has good mechanical properties...

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Advantages vs. Disadvantages of Plug Valve

Advantages vs. Disadvantages of Plug Valve

  • Oct 17, 2016
  • Hits: 395

In the chemical and petrochemical industry, plug valve and ball valve are not interchangeable to each other. In terms of market demand, the rate of average use demand of them is about 8 : 1, meaning, ...

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Global Valve Market is Expected to Hit a New High in 2017

Global Valve Market is Expected to Hit a New High in 2017

  • Oct 10, 2016
  • Hits: 55

According to related investigation and analysis, the total sales of global valve market is nearly $3 billion in 2012, and is expected to reach $3.5 billion by the end of 2017, with the average annual ...

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How to Use Cryogenic Valves

How to Use Cryogenic Valves

  • Oct 09, 2016
  • Hits: 42

With the rapid development of modern petrochemical industry, coal chemical industry and refrigeration industry, cryogenic valves are used more extensively with a rising quantity. Theref...

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