Rotary air lock feeders (RALFs) are an efficient and reliable method of controlling the flow of material or dust in a system. These feeders are commonly used in industrial processes where dust and other particulate matter need to be contained or removed. RALFs are designed to prevent backflow and minimize material loss, and they can be used in a variety of applications, such as dust collection and pneumatic conveying systems.
Rotary airlock feeders are a type of rotary valve that consists of two overlapping flaps, each connected to a set of paddles. When the valve is open, the two flaps are connected and the paddles rotate in a radial motion. This allows material to flow freely into the system. When the valve is closed, the two flaps move together and the paddles rotate in a radial motion, which prevents material from flowing out of the system.
The operation of RALFs is typically controlled by either a manual or an automatic mechanism. Manual valves are opened and closed by hand, while automatic valves are triggered by a pressure switch or other type of sensor. Automatic valves are especially useful in applications where frequent changes in flow are expected, such as in dust collection systems.
RALFs provide a number of benefits for industrial processes. They are reliable and easy to use, and they can be used in a variety of applications. They are also highly effective at preventing backflow and controlling the flow of material. Additionally, they are typically less expensive and require less maintenance than other types of valves, making them a cost-effective option for industrial processes.