Reactor E-20 and E-30
Electric Foam Proportioners
For medium- to high-output foam insulation applications – applies up to 30 lb (13.6 kg) per minute
Equipped with material data and system diagnostics, the Reactor E-20 and E-30 proportioners provide total control for spraying foam insulation. Advanced features provide longer equipment life, more uptime for your spray day, and the overall Graco reliability and durability you’ve come to expect.
Get the job done faster and more reliably than ever before
- Powerful hybrid heaters for better temperature control
- Circulation valves with longer-lasting seals
- Longer-lasting modular heater control boards that minimize downtime
- Hose heat transformer that doesn’t require tap settings
- Easy to maneuver
- Quick knockdown lower pumps for easy maintenance
- Digital heat and pressure controls

Reactor H-40
Hydraulic Foam Proportioner
For high-output foam applications and roofing projects – applies up to 45 lb per minute
From residential foam insulation projects to high-volume commercial roofing jobs, Graco’s line of Reactor Hydraulic Foam Proportioners provides the reliability and power to get the job done.
Reactor H-40 More output for high-volume applications.
Max output: 45 lb (20 kg) per min.
All Graco Reactor H-Series Proportioners provide:
Digital heat and pressure controls – let you program temperatures and pressures, and monitor machine performance
- Horizontal positive displacement pumps – easy to service and provide smoother changeover for maintaining best spray pattern
- Powerful hybrid heaters – heat material quickly and maintain temperature set points, even when spraying at maximum flow rates