The Graco Reactor H40 Spray Foam Proportioner is a hydraulic, high-output spray foam system delivering up to 45 lb/min at 2000 psi with powerful heating capacity and advanced diagnostics for professional insulation and coating contractors.
The
Graco Reactor H40 Spray Foam Proportioner is a high-output,
hydraulic-driven system engineered for professional spray polyurethane foam and polyurea applications. Designed for contractors requiring consistent material flow at higher production rates, the Graco Reactor H40 Spray Foam Proportioner delivers up to 45 lb/min (20 kg/min) at 2000 psi (138 bar) with precise ratio control. Its hydraulic drive system provides smooth pressure output, reduced pulsation, and reliable performance across long hose runs. The unit supports high-capacity primary heaters (12.0 kW to 20.4 kW depending on configuration) to maintain stable material temperatures in demanding environments. Built for jobsite durability, the Graco Reactor H40
Spray Foam Proportioner includes integrated diagnostics, pressure imbalance protection, and temperature monitoring to help reduce downtime and protect equipment. This system is ideal for large residential, commercial, and industrial insulation projects where throughput, reliability, and thermal consistency are critical.