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Vacuum Applications

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For over 100 years, Welch provides high quality, durable vacuum products for a wide range of industries and applications. We add value to our customers’ businesses through unique end-use solutions and innovative OEM products. The following pages will give you tips that bring our experience to bear on your solutions, with information on the considerations related to your needs and budget.

Welch serves numerous laboratories and equipment manufacturers around the world. We provide a vacuum solutions for all applications, so if you did not find your required application, reach out to us. Our vacuum experts are happy to assist you in selecting the right product for your needs.

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MASS SPECTROMETRY

Mass Spectrometry is used to identify unknown compounds and measure their physical, chemical, or biological properties
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BOTANICALS PROCESSING

Welch offers the best chemical resistant vacuum pumps for THC/CBD extraction workflow. Discover our botanical processing vacuum pumps now
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HVAC PUMPS

HVAC Vacuum Pumps rapidly remove air and moisture from the refrigerant lines. Ideal for use in heating, ventilation, and air conditioning systems.
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ROTARY EVAPORATOR

We offer a variety of manual and electronic vacuum regulation options, including digital controllers to ensure reliable results.
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VACUUM CONCENTRATOR

Need to choose the right pump for your vacuum concentration application? Read the case study to see the advantages of Welch solutions for vacuum concentrators.
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VACUUM MANIFOLD

Vacuum manifolds, also known as Schlenk lines, are used in the final drying stage of samples following rotary evaporation.
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FREEZE DRYER

Freeze-drying is the process of freezing a material then sublimating any frozen liquid directly from solid to gas.
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VACUUM OVEN

The Welch Vacuum ovens are used for drying sensitive substances that may be damaged by excessive heat.
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VACUUM FILTRATION

Vacuum and pressure filtration is used for sample preparation in chemistry, life sciences, environmental analysis.
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VACUUM DISTILLATION

Vacuum distillation is the separating a mixture of liquids by evaporation and condensation. Performed by heating the liquid.
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ASPIRATION (CELL CULTURE)

In biochemistry, microbiology and cell culture applications, aspirators are often used for the removal and disposal of liquids.
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GLOVE BOX

Glove boxes are used to create a controlled environment for isolation of sensitive substances or to protect users.
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GEL DRYER

Vacuum drying of gels is a common preparation technique in gel electrophoresis applications. We offers suitable chemical duty diaphragm pumps and vacuum traps.
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VACUUM MEASUREMENT & CONTROL

Gain insights into how to choose the right gauge for your lab vacuum application. Download the white paper for expert guidance on effective vacuum measurement.
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PICK & PLACE

Pick & place systems automate movement of items using a vacuum pump and movable rig. Explore Welch vacuum pumps for automated movement systems.
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VACUUM WORKHOLDING

Vacuum workholding (or vacuum chucking) is used in applications to hold an item in place while an operation is performed.
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DEGASSING / DESSICATOR

Substances that oxidize when exposed to air are typically kept under vacuum in a desiccator to reduce the reaction rate.

GAS ANALYSIS

Gas analysis involves using a vacuum pump to pull a sample of gas over or through a sensor to determine a characteristic.