Rotary air locks separate positive or negative pressure systems from the waste discharge such as barrels, augers or transfer blowers. They prevent filter chamber air flow from pressurizing the discharge area as well as prevent disturbances to the air flow in filter chamber that can be caused from secondary discharge systems. Most commonly used on the bottom of a dust collector filter unit as the connection to secondary discharge systems in any dust producing operation.
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Rotary Air Locks, often called RAL's, are machines that are used to prevent air ...