PRO-HV Proportional Brake Valve 0982 from EvojetPRO HV Proportional Brake Valve 0982 from Evojet The PRO HV proportional brake valves bases on first class miniature valves with Viton seals. These valves are equipped with new digital microcontrollers, making their handling even more convenient: Ease programmable brake thresholds for compatibility with all R C receivers Very sensitive braking in a large speed range The valve is simply connected to a receiver or controller output just like you would