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We Got the Registration Certificate of

We Got the Registration Certificate of "DVS" in EUIPO

  • Nov 20, 2017
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On November 10th, Dervos got our first Trademark in Europe. It is really a big step of us to move forward to the world.   With the rapid development of the whole world's economy, brand prote...

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Dervos for Clean Energy Projects

Dervos for Clean Energy Projects

  • Nov 20, 2017
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All the time Dervos keeps offering products with reliable quality and available solution to our customer. Our valve products are widely used in the petrochemical industry, power generation industry an...

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Plug Valves Join Our Product Range

Plug Valves Join Our Product Range

  • Nov 15, 2017
  • Hits: 7

Since foundation, DERVOS focused more on Gate, Globe, Check and Ball Valves, with our customers accumulated and reputation consolidated, facing the increasing demand from customers, we are gradually e...

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Различные принцип работы различных клапанов

Различные принцип работы различных клапанов

  • Nov 15, 2017
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Задвижка. Задвижки (шиберы) обычно используются в промышленных трубопроводных системах, когда клапан должен ...

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The Regular Polymer Materials Brief Used For Ball Valve Seat

The Regular Polymer Materials Brief Used For Ball Valve Seat

  • Nov 06, 2017
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The Regular Polymer Materials Brief Used For Ball Valve Seat 1. PTFE-F4 Teflon (PTFE-F4) has excellent heat resistance, cold resistance, non-sticky, good self-lubricating, low coefficient of friction...

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Cavitation In Control Valves - E.G. Butterfly Valve

Cavitation In Control Valves - E.G. Butterfly Valve

  • Nov 06, 2017
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When the control valves are used in liquid service, they may experience localized cavitation. Cavitation consists of the formation of liquid vapor cavities when the local static pressure drops to the ...

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Advantages of 3-piece Ball Valves

Advantages of 3-piece Ball Valves

  • Oct 30, 2017
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The three-piece ball valve is a common ball valve structure, its body is divided into three parts, which are left and right bonnet and the middle valve body.  Advantages 1. 3-piece ball valves h...

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India Will Issue New Biofuel Policies to Cut Imports of Oil, Natural Gas and Coal

India Will Issue New Biofuel Policies to Cut Imports of Oil, Natural Gas and Coal

  • Oct 30, 2017
  • Hits: 9

Lastest news! India, the world's third largest greenhouse gas unit, will soon announce a new biofuel policy to cut imports of fossil fuels such as oil, natural gas and coal. The government aims t...

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Выбор чугунного клапана И Чугунный обратный клапан

Выбор чугунного клапана И Чугунный обратный клапан

  • Oct 25, 2017
  • Hits: 6

При выборе нужно учитывать типоразмер трубопровода, номинальное давление рабочей среды и условия эксплуатац...

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Emerson acquires Geofields, Inc.

Emerson acquires Geofields, Inc.

  • Oct 25, 2017
  • Hits: 6

Emerson has acquired Georgia-based GeoFields, Inc., a leading global supplier of software and implementation services for pipeline integrity data collection, management and risk analysis for the oil a...

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