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Nitrogen & vacuum systems

On-site nitrogen generation and vacuum solutions for your process. Pick what you are looking for.

PSA nitrogen generators

Pressure swing adsorption systems for high-purity nitrogen made on site.

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PSA nitrogen generators

Membrane nitrogen generators

Simple, low-maintenance nitrogen generation for moderate purity needs.

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Membrane nitrogen generators

Dekker vacuum systems

Industrial vacuum pumps and packaged systems for process and plant vacuum.

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Dekker vacuum systems

More than the equipment

Sized, installed and supported

Selection and sizing

AirMaster+ and CAGI certified specialists match the equipment to your demand, not the other way around.

Installation and start-up

Our team handles installation, piping and commissioning so the system runs right from day one.

Parts and service, 24/7

Four Texas branches, genuine parts and factory-trained technicians behind everything we sell.

Talk to a specialist

Need industrial air? You need HOLT.

Tell us what you’re running, what you’re producing and where. A specialist responds fast with equipment, a custom build or a service plan that fits.

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