Slide Gate Valves Components & Parts > Trust IAC for Pneumatic Industrial Equipment & Material Handling > Valves, Pneumatic > Slide Gate Valves Rack and Pinion Slide Gate Fabricated rack and pinion roller style slide gates provide rugged versatility in gravity flow applications. Vortex Clear Action Gate The patented Vortex® Clear Action Gate™ is a problem solver specifically designed for demanding dry bulk material applications. Vortex Hand Slide Orifice Gate The Vortex Hand Slide Orifice Gate™ is designed specifically to handle dry bulk solids in gravity flow conveying. Vortex HDP Positive Seal Slide Gate The unique "rising" blade design of the patented Vortex HDP Slide Gate sets itself apart from traditional industry slide gates by providing positive material shut-off in applications. IAC offers a variety of Slide Gate Valves for use in gravity flow applications and pneumatic conveying systems as well.