Gusmer Corp., Lakewood, N.J., offers the HV-20/35 Hydraulic Vertical Driven High Pressure Proportioner, designed specifically for polyurethane foam and polyurea coating applications. The metering unit develops pressures up to 3,000 psi at 20 pounds per minute and 2,000 psi at 25 pounds per minute. It delivers greater kinetic energy at the spray gun mixing chamber, resulting in a more thorough mixture of plural components for greater durability of finished product. Available with 6,000- or 9,000-watt heaters, the HV-20/35 provides high heat output to reduce viscosity and further enhance homogeneity of application.