This machine heats and pressurizes the materials at recommended ratios, temperatures and pressure to create a chemical reaction, creating the foam or coating. Proportioners come in a variety of pump styles and outputs depending on volumes required for specific applications.

Graco’s Reactor line of spray equipment are state-of-the-art proportioning systems that gives superior performance, control and accuracy. They are designed to apply polyurea, foam and other fast-set materials that require accurate temperatures and pressures necessary to achieve ultimate results.

Graco Reactor proportioners are available with air, electric or hydraulic pumps. All Graco Reactors carrying the “XP” designation in the model name are capable of processing 1:1 ratio foam insulation along with protective coatings. Each system has its own unique benefits:

The Reactor A-Series gives you the reliability you expect. They maintain consistent temperature control, even when you’re spraying at maximum flow rates resulting in better quality foam and coatings.

Advanced features provide longer equipment life, more uptime for your spray day, and the overall Graco reliability and durability you’ve come to expect.

From residential foam insulation projects to high-volume commercial roofing jobs, Graco’s Hydraulic Proportioners provides the reliability and power to get the job done.