We make and supply many rotary valve options including cast iron and stainless steel housings, high temperature ratings, chrome plating, open and closed rotors, tip options, and more.

Rotary valves, also known as airlocks, rotary feeders, or airlock feeders, transition material from one pressurized point, such as a dust collector, to another unpressurized point, such as a drum or bin.

The valve seals a pressurized system against loss of air and pressure. Rotary valves make it easier to control the flow of material from bins, hoppers, or silos, onto conveying or processing systems.

Applications for rotary airlocks include cement, minerals, grains, plastics, flour, gypsum, lime, coffee, cereals, and pharmaceutical manufacturing.

A sample of our USAF brand options are listed below. Many of our options are in-stock and ready to ship next day. Additional options are available.
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Item #

Item Name

Nominal Flange Size

Motor Power

In-Stock

List Price

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I6SXISB6O N/A U.S. Air Model I6SXISB6O Rotary Valve N/A 6 in N/A 0.75 hp
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I8SXISB6O N/A U.S. Air Model I8SXISB6O Rotary Valve N/A 8 in N/A 0.75 hp
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I10SXISB6O N/A U.S. Air Model I10SXISB6O Rotary Valve N/A 10 in N/A 1 hp
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I12SXISB6O N/A U.S. Air Model I12SXISB6O Rotary Valve N/A 12 in N/A 1.5 hp
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I6RXISB6O N/A U.S. Air Model I6RXISB6O Rotary Valve N/A 6 in N/A 0.75 hp
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I8RXISB6O N/A U.S. Air Model I8RXISB6O Rotary Valve N/A 8 in N/A 0.75 hp
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I10RXISB6O N/A U.S. Air Model I10RXISB6O Rotary Valve N/A 10 in N/A 1 hp
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I12RXISB6O N/A U.S. Air Model I12RXISB6O Rotary Valve N/A 12 in N/A 1.5 hp
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I6SX4SB6O N/A U.S. Air Model I6SX4SB6O Rotary Valve N/A 6 in N/A 0.75 hp
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I8SX4SB6O N/A U.S. Air Model I8SX4SB6O Rotary Valve N/A 8 in N/A 0.75 hp
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I10SX4SB6O N/A U.S. Air Model I10SX4SB6O Rotary Valve N/A 10 in N/A 1 hp
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I12SX4SB6O N/A U.S. Air Model I12SX4SB6O Rotary Valve N/A 12 in N/A 1.5 hp
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I6RX4SB6O N/A U.S. Air Model I6RX4SB6O Rotary Valve N/A 6 in N/A 0.75 hp
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I8RX4SB6O N/A U.S. Air Model I8RX4SB6O Rotary Valve N/A 8 in N/A 0.75 hp
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I10RX4SB6O N/A U.S. Air Model I10RX4SB6O Rotary Valve N/A 10 in N/A 1 hp
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I12RX4SB6O N/A U.S. Air Model I12RX4SB6O Rotary Valve N/A 12 in N/A 1.5 hp
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