For difficult applications or those involving sticky, abrasive or corrosive materials, Vortex® Valves’ HDP® Slide Gate offers reliable positive material shutoff. The Vortex HDP valve can be applied to control material flow in gravity, dilute-phase, or dense-phase conveying systems up to 75 psig (5 bar). It is available in 4? to 16? sizes (100mm to 400mm) and can handle high-temperature applications, up to 450 F (232 C).