_ of advantages and disadvantages of rotary vane vacuum pump applications

today, rotary vane vacuum water pump is more and more widely used in industry, how to cultivate advantages and avoid disadvantages and improve product competitiveness. Need to know more about the advantages and disadvantages of the product itself.

vacuum pump suction use coarse mesh. In order to prevent solid foreign body cavity suction pump. Points are installed in the oiler effective oil and gas separation with high efficiency filtration unit. When the pump stop running, the built-in suction valve in the jet pump, and pump system in isolation, to prevent the reverse flow of oil from entering the system. Using air cooling pump.

the shortcoming of rotary-vane vacuum pump are

1, inefficient, generally around 30%, the best is 50%.

2, the vacuum degree is low, not only because it is limited by a structural design, and more importantly, it is also subject to the conditions of working liquid saturation vapour pressure.

3, with water as working medium, the extreme pressure of up to 2000 ~ 4000 pa. Oil as the working fluid, the final pressure can reach 130 Pa.

rotary-vane vacuum pump are the advantages of the

1. Because of the rotary vane vacuum pump in the process of gas compression is isothermal, so it can pumping flammable and explosive gases. Because there is no exhaust valve and the friction surface, so it can pump gas, dust non-condensable gas, and has the prominent function, though inefficient, but it is still widely used.

2, extraction rate: 0. 43 - 560立方米/分钟。

3, the minimum suction pressure: 33 - 160 hpa。

4, the use of temperature: - 10 ° C and 40 ° C.

5, supporting power: 7. 5 - 560 kw.

6, over current material: cast iron, stainless steel.

the applicable scope of the rotary-vane vacuum pump rotary-vane vacuum pump is a mechanical vacuum pump oil seal type, is to obtain a vacuum technology and equipment of one of the most basic vacuum equipment. Rotary vane vacuum pumps can be dry gas pump into a sealed container. If there is ballast, it is also likely to absorb a certain amount of non-condensable gas. However, it does not apply to too much gas, oxygen corrosion of metal and the pump oil and dust particles. Single-stage rotary vane vacuum pumps and two oil seal rotary-vane vacuum pump are also available for diffusion pump, piston vacuum pump and the backing water pump of turbo molecular pump.

1。 Vacuum pump is suitable for vacuum sealing systems, such as vacuum packaging, vacuum forming, vacuum.

2。 Inlet pressure range: 100 Pa, beyond the scope of work Pa - 100000 vacuum pump oil mist emissions will happen.

3。 Vacuum water pump pumping water or other liquid. Impossible to extract explosive, flammable, the high oxygen content and corrosive gas.

4。 Usually, in the case of must conform to the relevant standards, does not provide explosion-proof motor, such as explosion-proof or other special requirements.

The manufacture marketing game of water pump is changing with each innovation, and businesses of all products need to be ready to pounce.
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