Oil diffusion vacuum pump return oil how to maintain

Posted on Wed, 24 Oct 2018 02:44:01 +0000

With the continuous development of vacuum technology, vacuum equipment has been widely applied in metallurgical industry. As the main pump of most high vacuum systems, oil diffusion pump has many advantages, such as simple structure, high pumping rate, easy to obtain high vacuum and so on. In thi...

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Rotary vane vacuum pump maintenance

Posted on Tue, 23 Oct 2018 05:43:25 +0000

Shanghai EVP is a professional production and sales of vacuum pumps and their accessories entity enterprises, the company specializes in vacuum pump maintenance, for the vane vacuum pump maintenance has professional technical experience. In the winter, the failure rate of rotary vane vacuum pump ...

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Dry screw pump and claw pump of principle

Posted on Tue, 23 Oct 2018 02:46:40 +0000

Comparing the screw pump and claw pump of vacuum unit, the gas in the pump is divided into the upper half cavity and the lower half cavity because the screw of the working device is a whole in two identical screw movements. The principle of the dry screw pump is that the spindle is always pushed ...

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Vacuum pump maintenance knowledge

Posted on Mon, 22 Oct 2018 03:37:43 +0000

The function of vacuum pump maintenance is to extract gas molecules from the vacuum chamber, reduce the pressure of the vacuum chamber, so as to achieve the required vacuum. Generally speaking, there is a large range from the atmosphere to the very high vacuum, and so far no vacuum system can cov...

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Piston Vacuum Pump application

Posted on Mon, 22 Oct 2018 02:31:57 +0000

Piston Vacuum Pump is a vacuum unit composed of ordinary roots pump as the main pump and piston vacuum pump as the front pump in series. By means of vacuum relay or electric contact pressure gauge, the automatic opening and closing of roots pump slide valve pump and automatic overload protection ...

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Liquid ring vacuum pump coal chemical industry

Posted on Fri, 19 Oct 2018 03:18:50 +0000

Liquid ring vacuum pump is a kind of rotary variable capacity vacuum pump which is widely used in food chemical industry, mine light industry and other industries. It uses water as sealing fluid to achieve cyclic power and sealing effect. Because of the simple structure of the liquid ring vacuum ...

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Roots vacuum pump using in vacuum process

Posted on Fri, 19 Oct 2018 02:42:58 +0000

What is vacuum process? Vacuum is one of the most widely used vacuum technology, which is to remove air or gas from sealed vessels. There are many kinds of applications. The so-called evacuation, in most industrial applications of ambient air, is generally understood as the evacuation of gases in...

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Dry screw vacuum pump vacuum distillation process

Posted on Thu, 18 Oct 2018 03:35:16 +0000

Shanghai EVP provides solutions to vacuum pumps and vacuum systems for many food packaging, textile, plasticizing and chemical industries. Vacuum technology has been widely used in the traditional industrial upgrading process in recent years, and it is the key equipment of modern advanced process...

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Rotary vane vacuum pump vacuum packaging process industry

Posted on Thu, 18 Oct 2018 03:07:45 +0000

In general, vacuum plays a key role in packaging technology and packaging production. With vacuum technology, packaging molding, thermoforming and coating can be achieved efficiently and accurately. In addition, vacuum technology can be used for mobile, transportation, sealing and sealing. In the...

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vacuum unit high vacuum acquisition equipment

Posted on Wed, 17 Oct 2018 05:23:18 +0000

The vacuum range of the high vacuum equipment is 10-2 times the 10-5 power Pa. High vacuum acquisition equipment is generally composed of a number of vacuum units operating in different pressure ranges in series, plus pipelines, vacuum measuring instruments and valves. It is widely used in the fi...

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