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HOW DOES AN AIRLESS SPRAY PUMP WORK?

An airless spray machine uses pressure, instead of air, to atomize paint. The high pressure forces fluid through the hose assembly and out through a small opening, called the orifice, or spray tip. For more information read our article “What is Airless Spray?

WHAT ARE THE ADVANTAGES OF AIRLESS SPRAY EQUIPMENT

BUYER'S GUIDE - Selecting your airless spray pump

Storm Machinery offers airless paint sprayers in three different variations: pneumatic, hydraulic, and electric.

Each type of sprayer is specifically designed for different applications and is suited to handle paints with varying viscosities and atomizing pressure requirements. Because paint formulations can differ significantly, we strongly recommend selecting a pump that is appropriately matched to the specific type of paint being applied.

Below is a general guideline to assist with spray pump selection

For smaller industrial applications view our range of Conventional Spray Equipment.

For large-scale industrial projects, we recommend pneumatic spray pumps Keep in mind that all pneumatic units require a compressor.

The corrosion protection industry relies on pneumatic paint pumps as its primary workhorse. By combining large-capacity fluid sections with powerful, air-driven motors, these units easily handle tough industrial coatings.

Their robust design delivers high fluid output, helping operators meet Dry Film Thickness (DFT) requirements in much less time. Additionally, the high operating pressures support extended hose lengths. This gives your team far more flexibility on massive jobs than other airless pump types can provide.

COMMON APPLICATIONS FOR PNEUMATIC PUMPS

  • Large-scale industrial projects (bridges, ships, and structural steel)

  • Protective coatings (corrosion and rust prevention)

  • High-viscosity coatings (thick paints and heavy-duty sealants)

We recommend electric airless spray machines for difficult-to-reach areas (like roofs), decorative painting, and waterproofing. While standard units handle finer finishes, larger electric models can easily pump thick, high-viscosity coatings.

An electric airless paint sprayer relies on a high-output electric motor, making it both compact and versatile. Because of this smaller size, operators can maneuver into tight spaces much easier than they could with bulkier equipment.

While these units typically use smaller fluid sections for fine decorative finishes, they don’t sacrifice power. In fact, electric waterproofing pumps are incredibly popular for rooftop work because they are so lightweight. Weighing roughly the same as a standard 20-liter bucket of product, an operator can easily carry both the pump and the material up to the job site.

As an authorized distributor, Storm Machinery supplies TriTech Industries’ high-quality range of electric airless sprayers.

COMMON APPLICATIONS FOR ELECTRIC PUMPS

  • Commercial & residential painting (walls, ceilings, and trim)

  • Decorative & fine finishes (smooth, high-quality aesthetics)

  • Roof & waterproofing coatings (lightweight portability for high-altitude jobs)

  • Medium to large industrial projects (using larger models for protective and high-viscosity coatings)

We recommend hydraulic airless spray machines for large-scale site setups and heavy-duty industrial projects. Because integrated petrol or diesel engines power these self-contained units, you don’t need to worry about sourcing external compressed air or electricity on-site.

Featuring large-capacity fluid sections, hydraulic systems easily pump a wide spectrum of materials—from thick, high-build corrosion barriers to decorative finishes and waterproofing coatings. Their sheer power, rugged durability, and total independence from external utilities make them the top choice for demanding, remote job sites.

COMMON APPLICATIONS FOR HYDRAULIC PUMPS

  • Remote & off-grid job sites (no electrical power or compressed air required)

  • Heavy-duty industrial & protective coatings (high-build corrosion protection)

  • High-viscosity materials (thick, heavy coatings)

  • Petrochemical sites (using diesel-powered units for safety compliance)

  • Large-scale commercial projects (massive square-footage painting)

FRONT ENTRY VS REAR ENTRY AIRLESS SPRAY GUNS

HOW DO I SELECT AN AIRLESS SPRAY TIP FOR MY AIRLESS SPRAY GUN?

Your paint data sheet will indicate which size spray tip you will need for your airless spray gun. The size of the tip is usually dependent on the product being sprayed.

For more information contact one of our experienced sales engineers or read our article “Spray Tips – How To Select The Right Size“.

IS AIRLESS PAINTING EQUIPMENT DIFFICULT TO OPERATE

No. However, any airless paint sprayer should only be handled by trained personnel. Storm Machinery offers basic OEM spray painting training.

Because of their high pressure output these machines should be approached with caution. Put sufficient safety measures in place when operating any airless pump or gun. Additionally, please ensure that your operator makes use of the correct PPE.

FAQs

DO YOU OFFER EQUIPMENT REPAIRS & SERVICING?

Yes. Storm Machinery services and repairs all airless paint sprayers we sell. Please contact our sales team for more information.

Yes. Storm Machinery offers basic OEM spray painting training

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