The Boss Hydraulic Proportioner delivers unmatched power and efficiency for spray foam and polyurea applications. Engineered for maximum output, it provides twice the volume of air-driven machines and up to 50% more than other proportioners on the market. Its Quick Start system gets you spraying in just four switches, reducing setup time and increasing productivity.
Built with rugged aluminum construction, this USA-made proportioner is designed for long-term durability and easy maintenance. Optimized for both low and high-pressure applications, it ensures smooth, consistent performance across a variety of projects. Energy-efficient preheaters maintain optimal temperatures while reducing energy costs, making this machine as economical as it is powerful.
Upgrade to the Boss Hydraulic Proportioner and experience reliable, high-volume spraying with minimal downtime.
| Specification | Details | |
| Maximum Output | 64 lbs/min | |
| Output per Cycle | 0.1000 gal/cycle | |
| Fluid Inlet | 3/4″ npt with 3/4″ npsm union | |
| Fluid Outlets | Component A (ISO) | #8 (1/2″) JIC with #5 (5/16″) JIC adapter |
| Component B (Resin) | #10 (5/8″) JIC with #6 (3/8″) JIC adapter | |
| Fluid Circulation | 1/4″ with thermoplastic tubing (3000 PSI) | |
| Parts Contacting Fluid | Stainless steel, Zinc Plated, Carbon Steel, Aluminum, Chrome, Brass, PTFE, Viton O-Rings | |



