Vacuum Pump: Final Buyer’s Guide [New Products 2019]

Vacuum pump: ultimate buyer’s Guide

How do I choose a vacuum pump?

When calculating the value of these products in the laboratory, it is important to weigh the upfront cost with the continuous maintenance cost. As one study has shown, the initial price tag can only tell part of the story.

With so many different vacuum pumps, choosing the right vacuum pump for your application may be a challenge.

A variety of factors need to be considered when selecting the appropriate model, including final vacuum depth, free air displacement (flow rate), wet or dry operation (oil or oil free) and chemical resistance.

These are the basic starting points for making a wise decision to buy a decision that suits you.

At present, there are various types of vacuum pumps on the market, including direct drive, rotating blade, diaphragm, scroll and so on.

When choosing a pump, it is important to consider which chemicals you will use and the concentration. This will ensure that you do not choose the wrong product for the task at hand.

According to the application requirements, each type can be used in various applications; this is why it is very important to choose the right model and size for your application for equipment life and system operation.

Quick Comparing Table for Optimum Vacuum Pump

Our first choice
Product Title Details
Liquid Ring Vacuum Pump

Liquid Ring Vacuum Pump

  • Material: Cast Iron Body and Bronze Impeller
  • Maximum Rotational Speed: 3600.00 rpm
  • Maximum Suction: 35.00 cubic_feet
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Rotary Vane Vacuum Pump

Rotary Vane Vacuum Pump

  • Free air displacement: 12 CFM
  • Ultimate vacuum: 5 Pa
  • Power: 1 HP
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Roots Vacuum Pump

Roots Vacuum Pump

  • Ultimate pressure (Pa): 5 × 10-2
  • Motor rotary speed(RPM):3000
  • Allowable temperature(℃):100
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Roots Blowers

Roots Blowers

  • Blowers flow: 0.6m3 / h to 90m3 / h
  • Pressure rise: 9.8kpa to 78.4kpa
  • SSR has more than 22 models
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Dry Scroll Vacuum Pump

Dry Scroll Vacuum Pump

  • Oil-free and dry running to clean the vacuum.
  • Can achieve the ultimate vacuum as low as 0.6Pa
  •  Quiet operation; equipped with special silencer, lower noise.
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Six Questions to be Questioned in Purchasing Vacuum Pumps

What kind of vacuum cleaner would you use? Filtration requires a moderate vacuum. Evaporation requires a deeper vacuum. Molecular distillation needs more. Make the pump match the use.

Can you use a dry (oil-free) vacuum pump? Oil-free vacuum pumps can support most laboratory applications. In order to serve the advantage, choose the dry pump as far as possible.

What is the pumping capacity at the expected vacuum level? With the increase of vacuum depth, the actual pumping speed decreases from nominal speed. The drop rate of the pump is different.

Do you use corrosive media? The purchase cost of standard working pumps is low, but the service life of corrosion resistant pumps will be reduced if the corrosion agent is used.

Should you invest in vacuum control? When vacuum conditions need to be maintained, electronic devices can improve repeatability, protect samples and shorten processing time.

What is the lifetime operating cost? Includes procurement costs, maintenance intervals, maintenance costs, pump protection (e.g., filters, cold traps) and employee operating time.

Safety tips

Mechanical vacuum pumps used in laboratories share a common danger. Make sure that the pump has belt cover during operation and that the maintenance line and switch are not defective. Do not put the pump in a closed, non-ventilated cabinet, nor operate the pump near inflammable chemical containers. If your pump uses oil, place a pan under it to catch oil droplets. Used pump oil must be treated as hazardous waste. All vacuum operations are performed after the desktop shield or ventilator, and safety glasses are always worn.

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