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Huanyu Oilless Sales of SALE items from new works Diaphragm Vacuum Anticorrosive Free shopping Oil Pump

Huanyu Oilless Diaphragm Vacuum Pump Oil Free Anticorrosive Pump


Huanyu Oilless Diaphragm Vacuum Pump Oil Free Anticorrosive Pump


Product Description

oilfree diaphragm vacuum pumpoilfree diaphragm vacuum pump

Huanyu oil-free diaphragm vacuum pump has advanced design, high working efficiency and long service life.

  • There are two types of diaphragm oil-free vacuum pumps: Anti-corrosion amp; Ordinary models.

Anti-corrosion products: The anti-corrosion products are treated with PTFE surface and are resistant to chemical corrosion.

Ordinary: Do not touch the suction filter with chemically corrosive substances, otherwise the service life of the machine will be greatly reduced.

  • Application field: It is a product of precision chromatographic instrument and also one of the necessary equipment in the laboratory.

Mainly used in pharmaceutical analysis, fine chemicals, biochemical pharmaceuticals, food inspection, criminal investigation analysis and other fields.


  • Working principle:

The volume of the diaphragm chamber is changed by reciprocating stretching and compressing the diaphragm, and then combined with the one-way valve to switch the gas path to complete the function of vacuum extraction.

  • [Guide]

Please pay attention to the selection of vacuum degree and anti-corrosion performance!

Generally 20-30L suspension steam can choose 0.5/1.0 model.

It is recommended to use the circulating water type multi-purpose vacuum pump of 95A for suspension steam of about 50L.

Welcome to ask us to give you suggestions!

Parameters Table:


Parameter explanation:

  • [Voltage]

We also provide 220V products. If you need to purchase, please tell us in time to change the voltage type after ordering. Otherwise we will send the 110V type by default.

  • [Single head/double head]

Single head / double head refers to the single pump head / double pump head, refers to the number of vacuum pumps contained inside the machine, regardless of the interface on the appearance of the machine. We can look at the number of round protrusions on the top of the machine to determine the number of pumps.

The double pump head has a faster pumping speed than the single pump head or a higher vacuum degree that can be achieved.

  • [Pressure type and interface]

Positive and negative pressure dual-purpose machines generally have two interfaces for pumping and blowing.

Negative-pressure machines can only pump air, with only one interface.

  • [Connection]

Whether it is single pump or double pump, how many interfaces in appearance, only ONE solvent filter can be connected when using.

  • [Plastic hose]

The plastic tube has an inner diameter of 7mm and an outer diameter of 13mm, which has a certain elasticity.

oilless diaphragm vacuum pumpoilless diaphragm vacuum pump

Warm Tips:

  • Accessories such as filters and filtrate bottles can be purchased according to your needs.
  • If you can't buy a diaphragm replacement at the moment, please don't worry. Because the diaphragm is not a universal accessory, it must match the model of the machine you own. If you need to buy the diaphragm separately, please tell us your vacuum pump model and whether it is anti-corrosion. It is best to attach product pictures.
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NAME FLITER+Other fittings 60-120MM glass petri Film application circulating water type multi-purpose vacuum pump 18G Digital Display Lab Homogenizer 20L Lab Mixer Cantilevered Stirrer Electric
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Huanyu Oilless Diaphragm Vacuum Pump Oil Free Anticorrosive Pump

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