We provide a complete line of dump valves / flap valves suitable for air lock applications!

Similar to the rotary airlock valve, the dump valve is used in pneumatic conveying systems, dust control equipment, and as volumetric feed-controls to maintain an even flow of material through processing systems. 

In a dump valve, however, the flow control is accomplished through two chambers. Our dump valves / double flap valves offer a non-wearing seal and will operate flawlessly under all types of continuing process conditions.

This would include applications with extreme temperature ranges, abrasive, corrosive materials and high-pressure differentials.

Airlock Gravity Dump Valve