On-site nitrogen
Small Nitrogen Generators
A small nitrogen generator gives a lab, shop, or low-volume production line its own continuous supply of high-purity nitrogen from compressed air, without the bulk tank or the recurring cylinder deliveries. Compact and skid-mounted or cabinet-style, the generator is sized to your exact flow and purity and can scale up as you grow.
Compact
Small footprint
Low flow
Sized to your demand
99.9995%
Purity available
No cylinders
On-site supply
When a small nitrogen generator is the right call
A small nitrogen generator is simply an on-site system sized for lower flow. The technology is the same pressure swing adsorption or membrane separation used in larger plants, packaged in a compact, skid-mounted or cabinet-style generator that fits a lab bench area, a utility room, or a corner of a shop. If you are swapping cylinders or running down a dewar for a single line or instrument, a compact nitrogen generator usually pays for itself quickly and removes the supply hassle entirely.
Because every system is built to order, "small" is defined by your demand rather than by a fixed catalog size. We size a small-scale nitrogen generator to the flow, purity, and pressure your application actually needs, so you are not paying for capacity you will never use. Purity is dialed in anywhere from 95% up to 99.9995%, and a built-in oxygen analyzer confirms it at the buffer tank.
A low flow nitrogen generator also leaves room to grow. Systems can be specified so that capacity is added later as your volume rises, which means a small footprint today does not lock you out of expansion tomorrow. The sections below cover the applications a small system fits and how we size and supply one.
Where a small nitrogen generator fits
Lower-volume applications where a compact on-site system replaces cylinders or a dewar.
Labs & analytical instruments
LC-MS, GC, and sample prep need a steady supply of clean nitrogen. A small generator ends the cylinder swaps and the risk of running dry mid-run.
Laboratory nitrogen ›Electronics & soldering
A single reflow, wave, or selective soldering line can run on a compact high-purity system, holding 99.9% to 99.999% nitrogen for cleaner joints.
Soldering nitrogen ›Coffee & specialty packaging
Small-batch roasters and specialty packers use nitrogen to flush oxygen from bags and protect flavor. A low flow system scales to a single bagger.
Coffee packaging nitrogen ›Wineries & craft beverage
Sparging, blanketing tanks, and pushing product all run on modest nitrogen volumes, which makes a small on-site system a natural fit for a boutique operation.
Winery nitrogen ›Food & beverage packaging
A single modified atmosphere packaging line can be supplied by a compact food-grade system running up to 99.9% purity, with no delivery schedule to manage.
Food-grade nitrogen ›Tank blanketing & inerting
Blanketing one or two storage tanks needs steady, lower-volume nitrogen at 95% to 99% purity, well within the range of a small on-site system.
Nitrogen blanketing ›How we size a small system
Three things define a small nitrogen generator: footprint, room to grow, and purity matched to the job.
Compact footprint
The generator is skid-mounted or a cabinet model, sized to fit a utility room or a corner of a shop or lab rather than a dedicated gas room. The buffer tank is separate and set in place on site, though two compact models are mounted on a 60-gallon tank.
Scales as you grow
Because each skid-mounted nitrogen generator is built to order, a small system can be specified so capacity is added later. You start at the flow you need today and expand when volume rises, instead of over-buying up front.
Right-sized purity
Purity is dialed to the application, from 95% up to 99.9995%. Higher purity uses more compressed air per cubic foot of nitrogen, so matching purity to the real requirement keeps a small system efficient and inexpensive to run.
Sizing always starts with your flow, purity, and pressure. Tell us the application and we will size the smallest system that comfortably covers it. See how much a nitrogen generator costs and the compressed air requirements to plan around.
Frequently asked questions
What is a small nitrogen generator?
A small nitrogen generator is an on-site system sized for lower flow. It uses the same pressure swing adsorption or membrane separation as a large plant, packaged in a compact, skid-mounted or cabinet-style generator. It produces high-purity nitrogen from compressed air continuously, so a lab, shop, or single production line gets its own supply without bulk tanks or cylinder deliveries.
How small can a nitrogen generator be?
Because every system is built to order, the size is set by your demand rather than a fixed catalog model. A low flow nitrogen generator for a single instrument or line is compact enough to fit a utility room or a corner of a shop. Tell us the flow, purity, and pressure you need and we size the smallest system that comfortably covers it.
Is a small nitrogen generator cheaper than cylinders or a dewar?
For most steady users, yes. Producing nitrogen on site can cut gas cost by up to 90% compared to delivered gas, and a small system typically pays for itself in 12 to 14 months. The more often you swap cylinders or refill a dewar, the faster a compact on-site generator pays back, because you stop paying for the gas, the rental, and the deliveries.
What purity can a small nitrogen generator reach?
The same range as a large system: 95% up to 99.9995%. Purity is matched to the application, since higher purity uses more compressed air per cubic foot of nitrogen. A built-in oxygen analyzer reads purity at the buffer tank so you can confirm the system is holding spec.
What applications suit a small nitrogen generator?
Common fits are laboratory instruments such as LC-MS and GC, a single electronics soldering line, small-batch coffee and specialty food packaging, wineries and craft beverage, a single modified atmosphere packaging line, and blanketing one or two storage tanks. Any steady, lower-volume nitrogen need is a candidate for a compact on-site system.
Can a small nitrogen generator be expanded later?
Yes. A small-scale nitrogen generator can be specified so that capacity is added as your volume grows. Starting small does not lock you out of expansion, which is one reason building to order beats buying a fixed catalog size that is either too big today or too small tomorrow.
How much space does a small nitrogen generator need?
The generator is skid-mounted or a cabinet model, sized to fit a utility room or a corner of a shop or lab rather than a dedicated gas room. The buffer tank is separate and set in place on site, though two compact models are mounted on a 60-gallon tank. We provide system drawings up front so you can confirm the placement before it ships.
Does a small nitrogen generator need a separate air compressor?
A nitrogen generator runs on clean, dry compressed air, so it needs an adequate air supply. If your existing shop air is enough, the generator simply ties into it. If it is not, a compressor can be included in the system scope. We confirm the compressed-air requirement during sizing so there are no surprises.