Page 50 of Latest News, Dates, Events, Press, Articles

Application of butterfly valve in coal-to-methanol process system

Application of butterfly valve in coal-to-methanol process system

  • Dec 11,24
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Today, the coal chemical industry line is spread all over the world, and the products of the coal chemical industry chain are closely related to our lives. Coa

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How to repair valves under pressure?

How to repair valves under pressure?

  • Dec 11,24
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Valve maintenance A valve is a fitting on equipment and pipelines, and its maintenance should be carried out in conjunction with the maintenance of the equipme

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Precautions for welding of stainless steel pipe and pipe fitting

Precautions for welding of stainless steel pipe and pipe fitting

  • Dec 11,24
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1. The power supply with vertical external characteristics is used, and the positive polarity is used when DC (welding wire is connected to the negative electro

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Safety valve, one of safety accessories for pressure vessel

Safety valve, one of safety accessories for pressure vessel

  • Dec 11,24
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A safety valve plays a role in preventing overpressure operation during the operation of the pressure vessel. When the pressure in the pressure vessel rises abo

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What’s A Slam on Check Valves and What to Do with It

What’s A Slam on Check Valves and What to Do with It

  • Dec 11,24
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Check valve has a simple structure. The valves don't require electric power to drive, nor do they need much attention. When the medium goes through, the dis

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Introduction to 1 Piece & 2 Piece & 3 Piece Ball Valves

Introduction to 1 Piece & 2 Piece & 3 Piece Ball Valves

  • Dec 11,24
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Ball valves are widely used in many commercial, institutional and industrial areas where it requires the isolation of system parts, or just to regulate the on-o

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Precautions for pressure testing of a Plug Valve

Precautions for pressure testing of a Plug Valve

  • Dec 11,24
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1. When testing the pressure of the whole system, the plug valve should be kept in full open position, which means that the full open position shall remain unch

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Dervos Donation Plan for Fighting against Coronavirus

Dervos Donation Plan for Fighting against Coronavirus

  • Dec 11,24
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In the past two weeks, the whole country have been uniting together to fight against Coronavirus outbreak in China. We have learnt that due to a severe shortag

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Global Valve Market Size

Global Valve Market Size

  • Dec 11,24
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Transparent Market Research (TMR) recently released a market research report on all the dynamics and analysis of the global valve market. According to this repo

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Dervos 2019 Annual Meeting & Party

Dervos 2019 Annual Meeting & Party

  • Dec 11,24
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After one-year collective efforts of all Dervos people, we finally have our annual meeting and party. The whole morning, people from all departments (sales, QC

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How does a Float Valve work?

How does a Float Valve work?

  • Dec 11,24
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Float Valves modulate to maintain a constant liquid level in a storage tank by compensating for variations in supply or demand. The float ( a stainless steel ba

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Cast steel valves vs forged steel valves

Cast steel valves vs forged steel valves

  • Dec 11,24
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People has been debating which one is better between cast steel and forged steel valves for a long time. For a long period, cast steel valves dominated the valv

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