How do you know if a rotary valve is the right choice for your dust collection system? The secret lies in the dry material your facility is processing. A rotary valve is ideal for handling low-abrasive, free-flowing particles such as chemical powders, pharmaceutical powders, flour and sugar. With a rotary valve, these light substances won’t get stuck in the blades and housing of the valve. This type of rotary valve effectively controls the feed or discharge of free-flowing materials without compromising the negative or positive air pressure used in the system. Large, abrasive particles should not be handled by a rotary valve since its components may develop excessive wear over a relatively short period of time. Remember: when you're looking for the best value in a rotary valve, it helps to do some comparison shopping. Many manufacturers have competing products at widely differing prices. Constructed of heavy duty steel, the Rhino Rotary R Valve is a great value, ideal for low-cost handling of low-abrasive, free-flowing materials.